자바 는 HashMap 류 를 이용 하여 영문 사이트 의 단어 와 자모 가 나타 나 는 횟수 를 통계 하여 파일 에 저장 합 니 다.
102239 단어 잡다 한 항목
이 프로그램 은 자바 선택 과목 의 숙제 로 인터넷 에서 적합 한 코드 를 찾 지 못 해 자 료 를 정리 하 는 데 많은 시간 을 들 였 습 니 다. 마지막 으로 기능 을 실현 하고 자신의 고생 을 느끼 며 국민 들 의 수요 와 공유 하 겠 습 니 다.
종류
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Scanner;
import java.util.Set;
import java.util.regex.Pattern;
프로그램 참조 모듈
홈 페이지
public class Test6 {
//
public void get_html(String urls) {
try {
// URL
URL url = new URL(urls);
try {
// URL openStrean URL
InputStream str = url.openStream();
InputStreamReader str1 = new InputStreamReader(str,"utf-8");
//
BufferedReader br = new BufferedReader(str1);
String data = br.readLine();//
String html="";
while (data!=null){//
html +=data;
data = br.readLine();
}
// System.out.println(html);
br.close();
str1.close();
str.close();
get_text(html); // get_text,
} catch (IOException e) {
e.printStackTrace();
}
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
이 함수 에서 우 리 는 웹 페이지 의 소스 코드 를 기어 올 라 html 변수 에 저장 한 다음 html 를 'get text' 함수 에 전송 하여 줄 텍스트 를 추출 합 니 다.
인 코딩 형식 에 주의 하 십시오. 여 기 는 인 코딩 을 "utf - 8" 로 설정 하 였 습 니 다. 그렇지 않 으 면 중국어 오류 가 발생 할 수 있 습 니 다.
텍스트 추출
public void get_text(String text) throws FileNotFoundException {
String htmlStr = text; // html
String textStr = "";
java.util.regex.Pattern p_script;
java.util.regex.Matcher m_script;
java.util.regex.Pattern p_style;
java.util.regex.Matcher m_style;
java.util.regex.Pattern p_html;
java.util.regex.Matcher m_html;
try {
String regEx_script = "]*?>[\\s\\S]*?"; // script { ]*?>[\\s\\S]*?<\\/script></span>
String regEx_style <span class="token operator">=</span> <span class="token string">"<[\\s]*?style[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?style[\\s]*?>"</span><span class="token punctuation">;</span> <span class="token comment">// style { <style[^>]*?>[\\s\\S]*?<\\/style></span>
String regEx_html <span class="token operator">=</span> <span class="token string">"<[^>]+>"</span><span class="token punctuation">;</span> <span class="token comment">// HTML </span>
p_script <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_script<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_script <span class="token operator">=</span> p_script<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_script<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// script </span>
p_style <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_style<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_style <span class="token operator">=</span> p_style<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_style<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// style </span>
p_html <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_html<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_html <span class="token operator">=</span> p_html<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_html<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// html </span>
textStr <span class="token operator">=</span> htmlStr<span class="token punctuation">;</span>
<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">Exception</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>System<span class="token punctuation">.</span>err<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Html2Text: "</span> <span class="token operator">+</span> e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token comment">// </span>
textStr<span class="token operator">=</span>textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"[ ]+"</span><span class="token punctuation">,</span> <span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
textStr<span class="token operator">=</span>textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"(?m)^\\s*$(\
|\\r\
)"</span><span class="token punctuation">,</span> <span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
textStr <span class="token operator">=</span> textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"[^a-z^A-Z]"</span><span class="token punctuation">,</span> <span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//System.out.println(textStr);</span>
<span class="token function">refine_word1</span><span class="token punctuation">(</span>textStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">refine_letter</span><span class="token punctuation">(</span>textStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre>
<br>
<p> ， ， ， "refine_word1","refine_letter" ， ， 。</p>
<br>
<br>
<h3> </h3>
<pre><code class="prism language-java"><span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">refine_word1</span><span class="token punctuation">(</span>String text<span class="token punctuation">)</span> <span class="token keyword">throws</span> FileNotFoundException <span class="token punctuation">{</span>
<span class="token comment">// </span>
Scanner scanner<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">Scanner</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// </span>
HashMap<span class="token operator"><</span>String<span class="token punctuation">,</span> Integer <span class="token operator">></span> hashMap<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">,</span>Integer<span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" -----------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>scanner<span class="token punctuation">.</span><span class="token function">hasNextLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
String line<span class="token operator">=</span>scanner<span class="token punctuation">.</span><span class="token function">nextLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Scanner </span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>line<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//\W+ : </span>
String<span class="token punctuation">[</span><span class="token punctuation">]</span> lineWords<span class="token operator">=</span>line<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">"\\W+"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">// ， </span>
Set<span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">></span></span> wordSet <span class="token operator">=</span> hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>lineWords<span class="token punctuation">.</span>length<span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">// </span>
<span class="token keyword">if</span><span class="token punctuation">(</span>wordSet<span class="token punctuation">.</span><span class="token function">contains</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> number<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
number<span class="token operator">++</span><span class="token punctuation">;</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">,</span> number<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">else</span>
<span class="token punctuation">{</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//put ， </span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" ：------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//hashMap.keySet().iterator(); hash key ， </span>
Iterator<span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">></span></span> iterator<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">iterator</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>iterator<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
OutputStreamWriter files <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">OutputStreamWriter</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">FileOutputStream</span><span class="token punctuation">(</span><span class="token string">"bin\\unit8\\words.txt"</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">"UTF-8"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
String word<span class="token operator">=</span>iterator<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">" :"</span><span class="token operator">+</span>word<span class="token operator">+</span><span class="token string">"\t\t\t"</span><span class="token operator">+</span><span class="token string">" :"</span><span class="token operator">+</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token operator">+</span><span class="token string">"
"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">printf</span><span class="token punctuation">(</span><span class="token string">" :%-12s :%d
"</span><span class="token punctuation">,</span>word<span class="token punctuation">,</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token keyword">catch</span><span class="token punctuation">(</span>IOException e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Error"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" --------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// </span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">refine_letter</span><span class="token punctuation">(</span>String str<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">toLowerCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
Scanner scanner<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">Scanner</span><span class="token punctuation">(</span>str<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// </span>
HashMap<span class="token operator"><</span>Character<span class="token punctuation">,</span> Integer <span class="token operator">></span> hashMap<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">,</span>Integer<span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
Set<span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">></span></span> wordSet <span class="token operator">=</span> hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>str<span class="token punctuation">.</span><span class="token function">length</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">// </span>
<span class="token keyword">if</span><span class="token punctuation">(</span>wordSet<span class="token punctuation">.</span><span class="token function">contains</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> number<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
number<span class="token operator">++</span><span class="token punctuation">;</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">,</span> number<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">else</span>
<span class="token punctuation">{</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//put ， </span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" ：------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//hashMap.keySet().iterator(); hash key ， </span>
Iterator<span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">></span></span> iterator<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">iterator</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>iterator<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
OutputStreamWriter files <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">OutputStreamWriter</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">FileOutputStream</span><span class="token punctuation">(</span><span class="token string">"bin\\unit8\\letter.txt"</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">"UTF-8"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
Character word<span class="token operator">=</span>iterator<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">" :"</span><span class="token operator">+</span>word<span class="token operator">+</span><span class="token string">"\t\t\t"</span><span class="token operator">+</span><span class="token string">" :"</span><span class="token operator">+</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token operator">+</span><span class="token string">"
"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">printf</span><span class="token punctuation">(</span><span class="token string">" :%-12s :%d
"</span><span class="token punctuation">,</span>word<span class="token punctuation">,</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token keyword">catch</span><span class="token punctuation">(</span>IOException e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Error"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" --------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre>
<br>
<p> ， hashmap ， 。</p>
<br>
<br>
<h3> </h3>
<pre><code class="prism language-java"><span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span>String<span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span><span class="token punctuation">{</span>
String url <span class="token operator">=</span> <span class="token string">"https://github.com/"</span><span class="token punctuation">;</span>
Test6 start <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Test6</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
start<span class="token punctuation">.</span><span class="token function">get_html</span><span class="token punctuation">(</span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre>
<br>
<p> ， "start” ， 。</p>
<br>
<br>
<h3> </h3>
<pre><code class="prism language-java"><span class="token keyword">package</span> unit8<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>BufferedReader<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>FileNotFoundException<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>FileOutputStream<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>IOException<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>InputStream<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>InputStreamReader<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>io<span class="token punctuation">.</span>OutputStreamWriter<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>net<span class="token punctuation">.</span>MalformedURLException<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>net<span class="token punctuation">.</span>URL<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>HashMap<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>Iterator<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>Scanner<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>Set<span class="token punctuation">;</span>
<span class="token keyword">import</span> java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Pattern<span class="token punctuation">;</span>
<span class="token comment">/**
* URL
* */</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">Test6</span> <span class="token punctuation">{</span>
<span class="token comment">// </span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">get_html</span><span class="token punctuation">(</span>String urls<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
<span class="token comment">// URL </span>
URL url <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">URL</span><span class="token punctuation">(</span>urls<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
<span class="token comment">// URL openStrean URL </span>
InputStream str <span class="token operator">=</span> url<span class="token punctuation">.</span><span class="token function">openStream</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
InputStreamReader str1 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">InputStreamReader</span><span class="token punctuation">(</span>str<span class="token punctuation">,</span><span class="token string">"utf-8"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// </span>
BufferedReader br <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">BufferedReader</span><span class="token punctuation">(</span>str1<span class="token punctuation">)</span><span class="token punctuation">;</span>
String data <span class="token operator">=</span> br<span class="token punctuation">.</span><span class="token function">readLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">// </span>
String html<span class="token operator">=</span><span class="token string">""</span><span class="token punctuation">;</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>data<span class="token operator">!=</span>null<span class="token punctuation">)</span><span class="token punctuation">{</span><span class="token comment">// </span>
html <span class="token operator">+=</span>data<span class="token punctuation">;</span>
data <span class="token operator">=</span> br<span class="token punctuation">.</span><span class="token function">readLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">// System.out.println(html); </span>
br<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
str1<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
str<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">get_text</span><span class="token punctuation">(</span>html<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// get_text, </span>
<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IOException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">MalformedURLException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token comment">// </span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">get_text</span><span class="token punctuation">(</span>String text<span class="token punctuation">)</span> <span class="token keyword">throws</span> FileNotFoundException <span class="token punctuation">{</span>
String htmlStr <span class="token operator">=</span> text<span class="token punctuation">;</span> <span class="token comment">// html </span>
String textStr <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Pattern p_script<span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Matcher m_script<span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Pattern p_style<span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Matcher m_style<span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Pattern p_html<span class="token punctuation">;</span>
java<span class="token punctuation">.</span>util<span class="token punctuation">.</span>regex<span class="token punctuation">.</span>Matcher m_html<span class="token punctuation">;</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
String regEx_script <span class="token operator">=</span> <span class="token string">"<[\\s]*?script[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?script[\\s]*?>"</span><span class="token punctuation">;</span> <span class="token comment">// script { <script[^>]*?>[\\s\\S]*?<\\/script></span>
String regEx_style <span class="token operator">=</span> <span class="token string">"<[\\s]*?style[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?style[\\s]*?>"</span><span class="token punctuation">;</span> <span class="token comment">// style { <style[^>]*?>[\\s\\S]*?<\\/style></span>
String regEx_html <span class="token operator">=</span> <span class="token string">"<[^>]+>"</span><span class="token punctuation">;</span> <span class="token comment">// HTML </span>
p_script <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_script<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_script <span class="token operator">=</span> p_script<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_script<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// script </span>
p_style <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_style<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_style <span class="token operator">=</span> p_style<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_style<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// style </span>
p_html <span class="token operator">=</span> Pattern<span class="token punctuation">.</span><span class="token function">compile</span><span class="token punctuation">(</span>regEx_html<span class="token punctuation">,</span> Pattern<span class="token punctuation">.</span>CASE_INSENSITIVE<span class="token punctuation">)</span><span class="token punctuation">;</span>
m_html <span class="token operator">=</span> p_html<span class="token punctuation">.</span><span class="token function">matcher</span><span class="token punctuation">(</span>htmlStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
htmlStr <span class="token operator">=</span> m_html<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// html </span>
textStr <span class="token operator">=</span> htmlStr<span class="token punctuation">;</span>
<span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">Exception</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>System<span class="token punctuation">.</span>err<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Html2Text: "</span> <span class="token operator">+</span> e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token comment">// </span>
textStr<span class="token operator">=</span>textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"[ ]+"</span><span class="token punctuation">,</span> <span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
textStr<span class="token operator">=</span>textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"(?m)^\\s*$(\
|\\r\
)"</span><span class="token punctuation">,</span> <span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
textStr <span class="token operator">=</span> textStr<span class="token punctuation">.</span><span class="token function">replaceAll</span><span class="token punctuation">(</span><span class="token string">"[^a-z^A-Z]"</span><span class="token punctuation">,</span> <span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//System.out.println(textStr);</span>
<span class="token function">refine_word1</span><span class="token punctuation">(</span>textStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">refine_letter</span><span class="token punctuation">(</span>textStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">refine_word1</span><span class="token punctuation">(</span>String text<span class="token punctuation">)</span> <span class="token keyword">throws</span> FileNotFoundException <span class="token punctuation">{</span>
Scanner scanner<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">Scanner</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// </span>
HashMap<span class="token operator"><</span>String<span class="token punctuation">,</span> Integer <span class="token operator">></span> hashMap<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">,</span>Integer<span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" -----------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>scanner<span class="token punctuation">.</span><span class="token function">hasNextLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
String line<span class="token operator">=</span>scanner<span class="token punctuation">.</span><span class="token function">nextLine</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Scanner </span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>line<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//\W+ : </span>
String<span class="token punctuation">[</span><span class="token punctuation">]</span> lineWords<span class="token operator">=</span>line<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">"\\W+"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">// ， </span>
Set<span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">></span></span> wordSet <span class="token operator">=</span> hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>lineWords<span class="token punctuation">.</span>length<span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">// </span>
<span class="token keyword">if</span><span class="token punctuation">(</span>wordSet<span class="token punctuation">.</span><span class="token function">contains</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> number<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
number<span class="token operator">++</span><span class="token punctuation">;</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">,</span> number<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">else</span>
<span class="token punctuation">{</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>lineWords<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//put ， </span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" ：------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//hashMap.keySet().iterator(); hash key ， </span>
Iterator<span class="token generics function"><span class="token punctuation"><</span>String<span class="token punctuation">></span></span> iterator<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">iterator</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>iterator<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
OutputStreamWriter files <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">OutputStreamWriter</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">FileOutputStream</span><span class="token punctuation">(</span><span class="token string">"bin\\unit8\\words.txt"</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">"UTF-8"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
String word<span class="token operator">=</span>iterator<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">" :"</span><span class="token operator">+</span>word<span class="token operator">+</span><span class="token string">"\t\t\t"</span><span class="token operator">+</span><span class="token string">" :"</span><span class="token operator">+</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token operator">+</span><span class="token string">"
"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">printf</span><span class="token punctuation">(</span><span class="token string">" :%-12s :%d
"</span><span class="token punctuation">,</span>word<span class="token punctuation">,</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token keyword">catch</span><span class="token punctuation">(</span>IOException e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Error"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" --------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">refine_letter</span><span class="token punctuation">(</span>String str<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">toLowerCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
Scanner scanner<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">Scanner</span><span class="token punctuation">(</span>str<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// </span>
HashMap<span class="token operator"><</span>Character<span class="token punctuation">,</span> Integer <span class="token operator">></span> hashMap<span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">,</span>Integer<span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
Set<span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">></span></span> wordSet <span class="token operator">=</span> hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// </span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">int</span> i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>str<span class="token punctuation">.</span><span class="token function">length</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">// </span>
<span class="token keyword">if</span><span class="token punctuation">(</span>wordSet<span class="token punctuation">.</span><span class="token function">contains</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> number<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
number<span class="token operator">++</span><span class="token punctuation">;</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">,</span> number<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">else</span>
<span class="token punctuation">{</span>
hashMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span>str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//put ， </span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" ：------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//hashMap.keySet().iterator(); hash key ， </span>
Iterator<span class="token generics function"><span class="token punctuation"><</span>Character<span class="token punctuation">></span></span> iterator<span class="token operator">=</span>hashMap<span class="token punctuation">.</span><span class="token function">keySet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">iterator</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>iterator<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">try</span> <span class="token punctuation">{</span>
OutputStreamWriter files <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">OutputStreamWriter</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">FileOutputStream</span><span class="token punctuation">(</span><span class="token string">"bin\\unit8\\letter.txt"</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">"UTF-8"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
Character word<span class="token operator">=</span>iterator<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">" :"</span><span class="token operator">+</span>word<span class="token operator">+</span><span class="token string">"\t\t\t"</span><span class="token operator">+</span><span class="token string">" :"</span><span class="token operator">+</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token operator">+</span><span class="token string">"
"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">printf</span><span class="token punctuation">(</span><span class="token string">" :%-12s :%d
"</span><span class="token punctuation">,</span>word<span class="token punctuation">,</span>hashMap<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
files<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token keyword">catch</span><span class="token punctuation">(</span>IOException e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"Error"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">" --------------------------------"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span>String<span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span><span class="token punctuation">{</span>
String url <span class="token operator">=</span> <span class="token string">"https://github.com/"</span><span class="token punctuation">;</span>
Test6 start <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Test6</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
start<span class="token punctuation">.</span><span class="token function">get_html</span><span class="token punctuation">(</span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<br>
<br>
<h2> </h2>
<p> ， ， “who’s", ，"who" "s" ， "s" ， "is” ， ， ， 。</p>
</div>
</div>
</div>
</div>
</div>
<!--PC WAP -->
<div id="SOHUCS" sid="1274808250688094208"></div>
<script type="text/javascript" src="/views/front/js/chanyan.js">
gengzg
apache
AILIKES
sql mysql
Kai_Ge
JeeSite
120153216
우편물 main
2002wmj
SVN
357029540
SQL Server
7454103
.net android Google Blog F#
adminjun
spring 시간 설정 타이머
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 기타
첫 페이지 -
우리 -
역 내 검색 -
Sitemap -
권리 침해 신고
모든 IT 지식 창고 저작권© 2000 - 2050 IT 지식 창고 IT610. com, 판권 소유.
경 ICP 비 09083238 호
이 내용에 흥미가 있습니까?
현재 기사가 여러분의 문제를 해결하지 못하는 경우 AI 엔진은 머신러닝 분석(스마트 모델이 방금 만들어져 부정확한 경우가 있을 수 있음)을 통해 가장 유사한 기사를 추천합니다:
TCF 사용 노트ReWorks 플랫폼 의 TCF 기반 실현 이 API 의 디자인 은 매우 사용 하기 어렵다. 하 나 는 문서 가 거의 없다 는 것 을 설명 하 는 것 이 고, 다른 하 나 는 밑 에 있 는 물건 을 상층 에 대 입 ...
텍스트를 자유롭게 공유하거나 복사할 수 있습니다.하지만 이 문서의 URL은 참조 URL로 남겨 두십시오.
CC BY-SA 2.5, CC BY-SA 3.0 및 CC BY-SA 4.0에 따라 라이센스가 부여됩니다.
좋은 웹페이지 즐겨찾기
