javaweb 도서 상점 디자인 의 사용자 모듈(1)
1.사용자 모듈 의 관련 클래스 생 성
domain：User
dao：UserDao
service：UserDao
web.servlet：UserServlet
2.사용자 등록
2.1 등록 절차
/jsps/user/regist.jsp -> UserServlet#regist() -> msg.jsp
2.2 등록 페이지
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title> </title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<h1> </h1>
<%--
1. errors -->
2.
3.
--%>
<p style="color: red; font-weight: 900">${msg }</p>
<form action="<c:url value='/UserServlet'/>" method="post">
<input type="hidden" name="method" value="regist"/>
：<input type="text" name="username" value="${form.username }"/>
<span style="color: red; font-weight: 900">${errors.username }</span>
<br/>
：<input type="password" name="password" value="${form.password }"/>
<span style="color: red; font-weight: 900">${errors.password }</span>
<br/>
：<input type="text" name="email" value="${form.email }"/>
<span style="color: red; font-weight: 900">${errors.email }</span>
<br/>
<input type="submit" value=" "/>
</form>
</body>
</html>
User
/**
* User
*/
public class User {
/*
*
*/
private String uid;//
private String username;//
private String password;//
private String email;//
private String code;//
private boolean state;// （ ）
public class BaseServlet extends HttpServlet {
/*
* method，
*/
protected void service(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
req.setCharacterEncoding("UTF-8");
res.setContentType("text/html;charset=utf-8");
try {
// ：http://localhost:8080/demo1/xxx?m=add
String method = req.getParameter("method");//
Class c = this.getClass();
Method m = c.getMethod(method, HttpServletRequest.class,
HttpServletResponse.class);
String result = (String) m.invoke(this, req, res);
if(result != null && !result.isEmpty()) {
req.getRequestDispatcher(result).forward(req, res);
}
} catch (Exception e) {
throw new ServletException(e);
}
}
}
/**
* User
*/
public class UserServlet extends BaseServlet {
private UserService userService = new UserService();
/**
*
* @param request
* @param response
* @return
* @throws ServletException
* @throws IOException
*/
public String quit(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.getSession().invalidate();
return "r:/index.jsp";
}
public String login(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/*
* 1. form
* 2. （ ）
* 3. service
* > 、form request， login.jsp
* 4. session ， index.jsp
*/
User form = CommonUtils.toBean(request.getParameterMap(), User.class);
try {
User user = userService.login(form);
request.getSession().setAttribute("session_user", user);
/*
* ， session Cart
*/
request.getSession().setAttribute("cart", new Cart());
return "r:/index.jsp";
} catch (UserException e) {
request.setAttribute("msg", e.getMessage());
request.setAttribute("form", form);
return "f:/jsps/user/login.jsp";
}
}
/**
*
* @param request
* @param response
* @return
* @throws ServletException
* @throws IOException
*/
public String active(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/*
* 1.
* 2. service
* > request ， msg.jsp
* 3. request ， msg.jsp
*/
String code = request.getParameter("code");
try {
userService.active(code);
request.setAttribute("msg", " ， ！ ！");
} catch (UserException e) {
request.setAttribute("msg", e.getMessage());
}
return "f:/jsps/msg.jsp";
}
/**
*
* @param request
* @param response
* @return
* @throws ServletException
* @throws IOException
*/
public String regist(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/*
* 1. form
* 2. ：uid、code
* 3.
* > 、form request ， regist.jsp
* 4. service
* > 、form request ， regist.jsp
* 5.
* 6. msg.jsp
*/
//
User form = CommonUtils.toBean(request.getParameterMap(), User.class);
//
form.setUid(CommonUtils.uuid());
form.setCode(CommonUtils.uuid() + CommonUtils.uuid());
/*
*
* 1. Map， ， key ，
*/
Map<String,String> errors = new HashMap<String,String>();
/*
* 2. form username、password、email
*/
String username = form.getUsername();
if(username == null || username.trim().isEmpty()) {
errors.put("username", " ！");
} else if(username.length() < 3 || username.length() > 10) {
errors.put("username", " 3~10 ！");
}
String password = form.getPassword();
if(password == null || password.trim().isEmpty()) {
errors.put("password", " ！");
} else if(password.length() < 3 || password.length() > 10) {
errors.put("password", " 3~10 ！");
}
String email = form.getEmail();
if(email == null || email.trim().isEmpty()) {
errors.put("email", "Email ！");
} else if(!email.matches("\\w+@\\w+\\.\\w+")) {
errors.put("email", "Email ！");
}
/*
* 3.
*/
if(errors.size() > 0) {
// 1.
// 2.
// 3. regist.jsp
request.setAttribute("errors", errors);
request.setAttribute("form", form);
return "f:/jsps/user/regist.jsp";
}
/*
* service regist()
*/
try {
userService.regist(form);
} catch (UserException e) {
/*
* 1.
* 2. form
* 3. regist.jsp
*/
request.setAttribute("msg", e.getMessage());
request.setAttribute("form", form);
return "f:/jsps/user/regist.jsp";
}
/*
*
* ！
*/
//
Properties props = new Properties();
props.load(this.getClass().getClassLoader()
.getResourceAsStream("email_template.properties"));
String host = props.getProperty("host");//
String uname = props.getProperty("uname");//
String pwd = props.getProperty("pwd");//
String from = props.getProperty("from");//
String to = form.getEmail();//
String subject = props.getProperty("subject");//
String content = props.getProperty("content");//
content = MessageFormat.format(content, form.getCode());// {0}
Session session = MailUtils.createSession(host, uname, pwd);// session
Mail mail = new Mail(from, to, subject, content);//
try {
MailUtils.send(session, mail);// ！
} catch (MessagingException e) {
}
/*
* 1.
* 2. msg.jsp
*/
request.setAttribute("msg", " ， ！ ");
return "f:/jsps/msg.jsp";
}
}
/**
* User
*/
public class UserService {
private UserDao userDao = new UserDao();
/**
*
* @param form
*/
public void regist(User form) throws UserException{
//
User user = userDao.findByUsername(form.getUsername());
if(user != null) throw new UserException(" ！");
// email
user = userDao.findByEmail(form.getEmail());
if(user != null) throw new UserException("Email ！");
//
userDao.add(form);
}
/**
*
* @throws UserException
*/
public void active(String code) throws UserException {
/*
* 1. code ， user
*/
User user = userDao.findByCode(code);
/*
* 2. user ，
*/
if(user == null) throw new UserException(" ！");
/*
* 3. ， ， ，
*/
if(user.isState()) throw new UserException(" ， ， ！");
/*
* 4.
*/
userDao.updateState(user.getUid(), true);
}
/**
*
* @param form
* @return
* @throws UserException
*/
public User login(User form) throws UserException {
/*
* 1. username ， User
* 2. user null， （ ）
* 3. form user ， ， （ ）
* 4. ， false， （ ）
* 5. user
*/
User user = userDao.findByUsername(form.getUsername());
if(user == null) throw new UserException(" ！");
if(!user.getPassword().equals(form.getPassword()))
throw new UserException(" ！");
if(!user.isState()) throw new UserException(" ！");
return user;
}
}
/**
* User
*/
public class UserDao {
private QueryRunner qr = new TxQueryRunner();
/**
*
* @param username
* @return
*/
public User findByUsername(String username) {
try {
String sql = "select * from tb_user where username=?";
return qr.query(sql, new BeanHandler<User>(User.class), username);
} catch(SQLException e) {
throw new RuntimeException(e);
}
}
/**
* email
* @param email
* @return
*/
public User findByEmail(String email) {
try {
String sql = "select * from tb_user where email=?";
return qr.query(sql, new BeanHandler<User>(User.class), email);
} catch(SQLException e) {
throw new RuntimeException(e);
}
}
/**
* User
* @param user
*/
public void add(User user) {
try {
String sql = "insert into tb_user values(?,?,?,?,?,?)";
Object[] params = {user.getUid(), user.getUsername(),
user.getPassword(), user.getEmail(), user.getCode(),
user.isState()};
qr.update(sql, params);
} catch(SQLException e) {
throw new RuntimeException(e);
}
}
/**
*
* @param code
* @return
*/
public User findByCode(String code) {
try {
String sql = "select * from tb_user where code=?";
return qr.query(sql, new BeanHandler<User>(User.class), code);
} catch(SQLException e) {
throw new RuntimeException(e);
}
}
/**
*
* @param uid
* @param state
*/
public void updateState(String uid, boolean state) {
try {
String sql = "update tb_user set state=? where uid=?";
qr.update(sql, state, uid);
} catch(SQLException e) {
throw new RuntimeException(e);
}
}
}
흐름:사용자 의 메 일 중->UserServlet\#active()->msg.jsp
4、사용자 로그 인
흐름:/jsps/user/log.jsp->UserServlet\#login()->index.jsp
5、사용자 종료
흐름:top.jsp->UserServlet\#quit()->login.jsp
quit():세 션 소각!
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