Spring 2022/03/30 item
파일명 ItemController.java
package com.example.controller;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpSession;
import com.example.dto.ItemDTO;
import com.example.dto.ItemImageDTO;
import com.example.mapper.ItemImageMapper;
import com.example.service.ItemImageService;
import com.example.service.ItemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.ResourceLoader;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
@Controller
@RequestMapping(value="/item")
public class ItemController {
@Autowired ItemService iService;
@Autowired ResourceLoader resLoader;
@Autowired ItemImageService iiService;
@Autowired ItemImageMapper iiMapper;
@PostMapping(value = "/insertimages")
public String insertimagesPOST(
@RequestParam(name = "icode") long icode,
@RequestParam(name = "timage") MultipartFile[] files)
throws IOException{
// ItemImageDTO를 n개 보관할 수 있는 list
List<ItemImageDTO> list = new ArrayList<>();
for(MultipartFile file : files){
ItemImageDTO obj = new ItemImageDTO();
obj.setIcode(icode); // 물품코드
obj.setIimage(file.getBytes()); // 이미지
obj.setIimagetype(file.getContentType()); // 타입
obj.setIimagesize(file.getSize()); // 사이즈
obj.setIimagename(file.getOriginalFilename()); // 파일명
list.add(obj);
}
int ret = iiService.insertItemImageBatch(list);
System.out.println("===============================");
System.out.println(ret);
return "redirect:/item/selectone?code=" + icode;
}
// 127.0.0.1:9090/ROOT/item/subimage?imgcode=12
// html에서 사용시 <img th:src="@{/item/subimage(imgcode=15)}">
@GetMapping(value = "/subimage")
public ResponseEntity<byte[]> subimageGET(@RequestParam(name = "imgcode")long imgcode) throws IOException{
// 이미지명, 이미지크기, 이미지종류, 이미지데이터
ItemImageDTO item = iiMapper.selectItemImageCodeOne(imgcode);
// System.out.println(item.getIimagetype());
// System.out.println(item.getIimage().length);
if(item != null){ // 물품정보가 존재하면
if(item.getIimagesize() > 0){ // 첨부한 파일 존재
HttpHeaders headers = new HttpHeaders();
if(item.getIimagetype().equals("image/jpeg")){
headers.setContentType(MediaType.IMAGE_JPEG);
}
else if(item.getIimagetype().equals("image/png")){
headers.setContentType(MediaType.IMAGE_PNG);
}
else if(item.getIimagetype().equals("image/gif")){
headers.setContentType(MediaType.IMAGE_GIF);
}
// 이미지, byte[], headers, HttpStatus.OK
ResponseEntity<byte[]> response = new ResponseEntity<>(item.getIimage(),headers,HttpStatus.OK);
return response;
}
else {
InputStream is = resLoader.getResource("classpath:/static/img/default.png").getInputStream();
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.IMAGE_PNG);
ResponseEntity<byte[]> response = new ResponseEntity<>(is.readAllBytes(), headers, HttpStatus.OK);
return response;
}
}
return null;
}
// 127.0.0.1:9090/ROOT/item/image?code=12
// html에서 사용시 <img th:src="@{/item/image(code=15)}">
@GetMapping(value = "/image")
public ResponseEntity<byte[]> imageGET(@RequestParam(name = "code")long code) throws IOException{
// 이미지명, 이미지크기, 이미지종류, 이미지데이터
ItemDTO item = iService.selectItemImageOne(code);
// System.out.println(item.getIimagetype());
// System.out.println(item.getIimage().length);
if(item != null){ // 물품정보가 존재하면
if(item.getIimagesize() > 0){ // 첨부한 파일 존재
HttpHeaders headers = new HttpHeaders();
if(item.getIimagetype().equals("image/jpeg")){
headers.setContentType(MediaType.IMAGE_JPEG);
}
else if(item.getIimagetype().equals("image/png")){
headers.setContentType(MediaType.IMAGE_PNG);
}
else if(item.getIimagetype().equals("image/gif")){
headers.setContentType(MediaType.IMAGE_GIF);
}
// 이미지, byte[], headers, HttpStatus.OK
ResponseEntity<byte[]> response = new ResponseEntity<>(item.getIimage(),headers,HttpStatus.OK);
return response;
}
else {
InputStream is = resLoader.getResource("classpath:/static/img/default.png").getInputStream();
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.IMAGE_PNG);
ResponseEntity<byte[]> response = new ResponseEntity<>(is.readAllBytes(), headers, HttpStatus.OK);
return response;
}
}
return null;
}
// 127.0.0.1:9090/ROOT/item/selectone?code=12
@GetMapping(value = "/selectone")
public String selectoneGET(
Model model,
@RequestParam(name = "code") long code){
ItemDTO item = iService.selectItemOne(code);
model.addAttribute("item", item);
List<Long> imgcode = iiService.selectItemImageList(code);
model.addAttribute("imgcode", imgcode);
return "/item/selectone";
}
// 127.0.0.1:9090/ROOT/item/selectlist?txt=검색어&page=1
@GetMapping(value = "/selectlist")
public String selectlistGET(
HttpSession httpSession,
Model model,
@RequestParam(name = "txt", defaultValue = "") String txt,
@RequestParam(name = "page", defaultValue = "1") int page
){
// 세션에서 이메일 정보를 받음
String em = (String)httpSession.getAttribute("SESSION_EMAIL");
if(em != null){
String role = (String)httpSession.getAttribute("SESSION_ROLE");
if(role.equals("SELLER") ){
Map<String, Object> map = new HashMap<>();
map.put("txt", txt);
map.put("start", page * 10 -9);
map.put("end", page * 10);
map.put("email", em);
// page 1, start 1 end 10
// page 2, start 11 end 20
// page 3, start 21 end 30
List<ItemDTO> list = iService.selectItemList(map);
model.addAttribute("list", list);
long cnt = iService.selectItemCount(map);
// 9 => 1
// 11 => 2
// 24 => 3
model.addAttribute("pages", (cnt-1)/10+1);
// System.out.println(list);
return "/item/selectlist";
}
}
return "redirect:/seller/select";
}
// 127.0.0.1:9090/ROOT/item/insert
@GetMapping(value="/insert")
public String insertGET(){
// templates폴더 item폴더 insert.html 표시(렌더링)
return "/item/insert";
}
@PostMapping(value = "/insert")
public String insertPOST(
HttpSession httpSession,
@ModelAttribute ItemDTO item,
@RequestParam(name = "timage") MultipartFile file) throws IOException {
// System.out.println("==================================");
// System.out.println(item.toString());
// System.out.println(file.getOriginalFilename());
// System.out.println("==================================");
// 파일관련내용
item.setIimagetype(file.getContentType());
item.setIimagename(file.getOriginalFilename());
item.setIimagesize(file.getSize());
item.setIimage(file.getBytes());
// 세션에서 이메일 꺼내기
String em = (String)httpSession.getAttribute("SESSION_EMAIL");
item.setUemail(em);
int ret = iService.insertItemOne(item);
// System.out.println(ret);
// System.out.println("==================================");
if(ret == 1) {
return "redirect:/item/selectlist";
}
return "redirect:/item/insert";
}
}
파일명 selectone.html
<!DOCTYPE html>
<html lang="ko" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>물품 상세</title>
</head>
<body style="padding: 10px;">
<h3>물품상세</h3>
<hr />
<div style="padding:20px">
<a th:href="@{/item/selectlist}">목록으로</a><br />
<label style="width:75px; height: 30px; display:inline-block;">물품번호 :</label>
<P style="display:inline-block" th:text="${item.icode}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">물품명 :</label>
<P style="display:inline-block" th:text="${item.iname}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">물품내용 :</label>
<P style="display:inline-block" th:text="${item.icontent}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">물품가격 :</label>
<P style="display:inline-block" th:text="${item.iprice}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">물품수량 :</label>
<P style="display:inline-block" th:text="${item.iquantity}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">등록일 :</label>
<P style="display:inline-block" th:text="${item.iregdate}"></P><br />
<label style="width:75px; height: 30px; display:inline-block;">이미지 :</label>
<img th:src="@{/item/image(code=${item.icode})}" style="width: 100px; height: 100px;">
<hr />
<h3>서브이미지 등록</h3>
<form th:action="@{/item/insertimages}" method="post" enctype="multipart/form-data">
<input type="text" name="icode" th:value="${item.icode}"/>
<th:block th:each = "i : ${#numbers.sequence(1,3)}">
<input type="file" name="timage" /><br />
</th:block>
<input type="submit" value="서브이미지일괄등록">
</form>
<hr />
<h3>등록된 이미지 표시</h3>
<table border="1">
<tr>
<th>물품이미지코드</th>
<th>이미지</th>
<th>버튼</th>
</tr>
<tr th:each="tmp : ${imgcode}">
<td th:text="${tmp}"></td>
<td><img th:src="@{/item/subimage(imgcode=${tmp}) }" style="width: 50px; height: 50px;"/></td>
<td>수정 삭제</td>
</tr>
</table>
</div>
</body>
</html>파일명 ItemService.java
package com.example.service;
import java.util.List;
import java.util.Map;
import com.example.dto.ItemDTO;
import org.springframework.stereotype.Service;
@Service
public interface ItemService {
// 물품등록
public int insertItemOne(ItemDTO item);
// 물품조회(검색어 + 페이지네이션)
public List<ItemDTO> selectItemList(Map<String, Object> map);
// 물품개수(페이지네이션용)
public long selectItemCount(Map<String, Object> map);
// 물품상세
public ItemDTO selectItemOne(long code);
// 이미지
public ItemDTO selectItemImageOne(long code);
}파일명 ItemServiceImpl.java
package com.example.service;
import java.util.List;
import java.util.Map;
import com.example.dto.ItemDTO;
import org.apache.ibatis.session.SqlSessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class ItemServiceImpl implements ItemService {
@Autowired
SqlSessionFactory sqlFactory;
@Override
public int insertItemOne(ItemDTO item) {
return sqlFactory.openSession().insert("Item.insertItemOne", item);
}
@Override
public List<ItemDTO> selectItemList(Map<String, Object> map) {
return sqlFactory.openSession().selectList("Item.selectItemList", map);
}
@Override
public long selectItemCount(Map<String, Object> map) {
return sqlFactory.openSession().selectOne("Item.selectItemCount", map);
}
@Override
public ItemDTO selectItemOne(long code) {
return sqlFactory.openSession().selectOne("Item.selectItemOne", code);
}
@Override
public ItemDTO selectItemImageOne(long code) {
return sqlFactory.openSession().selectOne("Item.selectItemImageOne", code);
}
}파일명 itemMapper.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="Item">
<insert id="insertItemOne" parameterType="com.example.dto.ItemDTO">
INSERT INTO ITEM( ICODE, INAME, ICONTENT, IPRICE, IQUANTITY,
IIMAGE, IIMAGESIZE, IIMAGETYPE, IIMAGENAME, UEMAIL )
VALUES ( SEQ_ITEM_ICODE.NEXTVAL, #{iname}, #{icontent}, #{iprice}, #{iquantity},
#{iimage, jdbcType=BLOB}, #{iimagesize}, #{iimagetype}, #{iimagename}, #{uemail} )
</insert>
<select id="selectItemList" parameterType="map" resultType="com.example.dto.ItemDTO">
SELECT * FROM (
SELECT
I.ICODE, I.INAME, I.IPRICE, I.IQUANTITY, I.IREGDATE,
ROW_NUMBER() OVER (ORDER BY I.ICODE DESC) ROWN
FROM
ITEM I
WHERE
I.INAME LIKE '%' || #{txt} || '%'
AND I.UEMAIL = #{email}
)
WHERE ROWN BETWEEN #{start} AND #{end}
</select>
<select id="selectItemCount" parameterType="map" resultType="long">
SELECT
COUNT(*) CNT
FROM
ITEM I
WHERE
I.INAME LIKE '%' || #{txt} || '%'
AND I.UEMAIL = #{email}
</select>
<select id="selectItemOne" parameterType="long" resultType="com.example.dto.ItemDTO">
SELECT
ICODE, INAME, ICONTENT, IPRICE, IQUANTITY, IREGDATE
FROM
ITEM
WHERE
ICODE = #{code}
</select>
<resultMap id="result1" type="com.example.dto.ItemDTO" >
<result column="IIMAGE" property="iimage" jdbcType="BLOB"/>
</resultMap>
<select id="selectItemImageOne" parameterType="long" resultMap="result1">
SELECT
ICODE, IIMAGE, IIMAGESIZE, IIMAGETYPE, IIMAGENAME
FROM
ITEM
WHERE
ICODE = #{code}
</select>
</mapper>Author And Source
이 문제에 관하여(Spring 2022/03/30 item), 우리는 이곳에서 더 많은 자료를 발견하고 링크를 클릭하여 보았다 https://velog.io/@anrkfl/Spring-20220330-item저자 귀속: 원작자 정보가 원작자 URL에 포함되어 있으며 저작권은 원작자 소유입니다.
우수한 개발자 콘텐츠 발견에 전념
(Collection and Share based on the CC Protocol.)
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