JSP第十三周作业

package com.sk.servlet;

import java.io.IOException;
import java.io.PrintWriter;


import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.sk.dao.UsersDao;
@WebServlet("/dologin.do")
public class LoginServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public LoginServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
             response.setContentType("text/html;charset=utf-8");
            request.setCharacterEncoding("utf-8");
            response.setCharacterEncoding("utf-8");
            String uname = request.getParameter("uname");
            String upwd = request.getParameter("upwd");
            UsersDao ud = new UsersDao();
            HttpSession session = request.getSession();
            PrintWriter out = response.getWriter();
            if (ud.login(uname, upwd)) {
                session.setAttribute("uname", uname);
                request.getRequestDispatcher("main.jsp").forward(request, response);
            } else {
                out.print("登录失败，即将跳回登录页.....");
                response.setHeader("refresh", "2;url=login.jsp");
            }
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}

package com.sk.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.sk.dao.UsersDao;
import com.sk.entity.Users;
@WebServlet("/doregister.do")
public class RegisterServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public RegisterServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
             response.setContentType("text/html;charset=utf-8");
            request.setCharacterEncoding("utf-8");
            response.setCharacterEncoding("utf-8");
            String uname = request.getParameter("uname");
            String upwd = request.getParameter("upwd");
            PrintWriter out = response.getWriter();
            Users u = new Users();
            u.setUname(uname);
            u.setUpwd(upwd);
            UsersDao ud = new UsersDao();
            int r = ud.reg(u);
            if(r >= 1){
                request.getRequestDispatcher("login.jsp").forward(request, response);
            }else{
                out.print("注册失败，即将跳回登录页.....");
                response.setHeader("refresh", "3;url=register.jsp");
            }
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}

package com.sk.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.sk.dao.MsgDao;
import com.sk.entity.Msg;
@WebServlet("/dosend.do")
public class SendServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public SendServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=utf-8");
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        HttpSession session=request.getSession();
        String uname = (String)session.getAttribute("uname");//发件人在session中获取
        String title = request.getParameter("title");
        String username = request.getParameter("username");
        String msgcontent = request.getParameter("msgcontent");
        
        Msg m = new Msg();
        m.setTitle(title);
        m.setMsgcontent(msgcontent);
        m.setSendto(uname);
        m.setUsername(username);
        
        MsgDao md = new MsgDao();
        md.addMsg(m);
        PrintWriter out = response.getWriter();
        out.print("发送成功，即将跳回首页......");
        response.setHeader("refresh", "3;url=main.jsp");
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}

package com.sk.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.sk.dao.MsgDao;
@WebServlet("/dodel.do")
public class DelServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public DelServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
         response.setContentType("text/html;charset=utf-8");
         request.setCharacterEncoding("utf-8");
         response.setCharacterEncoding("utf-8");
         int id = Integer.parseInt(request.getParameter("id"));
         MsgDao md = new MsgDao();
          md.delMsg(id);
          response.sendRedirect("main.jsp");
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}

package com.sk.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@WebServlet("/doquit.do")
public class QuitServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public QuitServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=utf-8");
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        HttpSession session=request.getSession();
        session.invalidate();
        PrintWriter out = response.getWriter();
        out.print("退出成功，即将跳回登录页......");
        response.setHeader("refresh", "1;url=login.jsp");
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>登录</title>
  </head>
  <body>
  <div align="center">
      <script type="text/javascript">
          function validate(){
              if(loginForm.uname.value == ""){
              alert("账号不能为空！");
              return;
              }
              if(loginForm.upwd.value == ""){
              alert("密码不能为空！");
              return;
              }
              loginForm.submit();
          }
      </script>
      <h1>请登录</h1>
       <form action="dologin.do" name="loginForm" method="post">
        <table  border="0"  cellpadding="10">
            <tr><td>用户名：</td>
                <td><input type="text" name="uname" value="zc"></td>
            </tr>
            <tr><td>密码：</td>
                <td><input type="password" name="upwd"value="92"></td>
            </tr>
            <tr>
                <td><input type="button" value="登录" onclick="validate()"></td>
                <td><input type="button" value="注册" onclick="location.href='register.jsp'"></td>
            </tr>
        </table>
    </form>
    </div>
  </body>
</html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>注册</title>
  </head>
  <body>
  <div align="center">
       <script type="text/javascript">
          function validate(){
              if(regForm.uname.value == ""){
                  alert("账号不能为空！");
                  return;
              }
              if(regForm.upwd.value == ""){
                  alert("密码不能为空！");
                  return;
              }
              regForm.submit();
          }
      </script>
      <form action="doregister.do" name="regForm" method="post">
          <table>
              <tr>
                  <td>用户名：</td>
                  <td><input type="text" name="uname"></td>
              </tr>
              <tr>
                  <td>密码：</td>
                  <td><input type="password" name="upwd"></td>
              </tr>
          </table>
          <input type="button" value="提交" onclick="validate()">
          <input type="reset" value="重置">
      </form>
  </div>
  </body>
</html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>send</title>
</head>
<body>
<div align="center">
    <h3>编写你要发送的邮件</h3>
    <h3><a href="main.jsp" >返回上一页</a></h3>
    <form action="dosend.do" method="post">
        <table>
            <tr>
                <td>收件人：</td>
                <td><input type="text" name="username" value="<%=request.getParameter("reply")%>"></td>
            </tr>
            <tr>
                <td>标题：</td>
                <td><input type="text" name="title"></td>
            </tr>
            <tr>
                <td>内容：</td>
                <td><textarea rows="6" cols="18" name="msgcontent"></textarea></td>
            </tr>
        </table>
        <table>
            <tr>
                <td><input type="submit" value="提交"> </td>
                <td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
                <td><input type="reset" value="重置"></td>
            </tr>
        </table>    
    </form>
</div>
</body>
</html>

<%@page import="com.sk.entity.Msg"%>
<%@page import="com.sk.dao.MsgDao"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>首页</title>
</head>
<body>
<div align="center">
    <%
        MsgDao md = new MsgDao();
        String uname = (String) session.getAttribute("uname");
        List<Msg> list = md.getMailByReceiver(uname);
    %>
    <h1>欢迎进入邮箱首页！<%=uname %></h1>
    <a href="unread.jsp">未读邮件</a>
    <a href="send.jsp">编写邮件</a>
    <a href="doquit.do">退出登录</a>
    <h3>收件箱</h3>
    <table border="1">
        <tr>
            <th>发件人</th>
            <th>标题</th>
            <th>状态</th>
            <th>时间</th>
            <th colspan="2">操作</th>
        </tr>
        <%
            for (int i = 0; i < list.size(); i++) {
        %>
        <tr>
            <td><%=list.get(i).getSendto()%></td>
            <td><a href="detail.jsp?id=<%=list.get(i).getMsgid()%>"><%=list.get(i).getTitle()%></a></td>
            <td>
                <%if(list.get(i).getState() == 0){%>
                      <img src="image/weidu.png">
                <%}else{%>
                    <img src="image/yidu.png">
                <%}%>
            </td>
            <td><%=list.get(i).getMsg_create_date()%></td>
            <td><a href="send.jsp?reply=<%=list.get(i).getSendto()%>">回复邮件</a></td>
            <td><a href="dodel.do?id=<%=list.get(i).getMsgid()%>">删除邮件</a></td>
        </tr>
        <%
            }
        %>
    </table>
</div>
</body>
</html>

<%@page import="com.sk.entity.Msg"%>
<%@page import="com.sk.dao.MsgDao"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>  
    <title>邮件详情</title>
  </head> 
  <body>
      <div align="center">
          <%
              int msgid = Integer.parseInt(request.getParameter("id"));
            MsgDao md = new MsgDao();
            md.updateState(msgid);
            Msg m = new Msg();
            m = md.details(msgid);
        %>
          <h3>邮件详情</h3>
          <h3><a href="main.jsp">返回上一页</a></h3>
        <table border="1">
            <tr>
                <th>发件人</th>
                <th>标题</th>
                <th>时间</th>
                <th>内容</th>
                <th colspan="2">操作</th>
            </tr>
            <tr>
                <td><%=m.getSendto()%></td>
                <td><%=m.getTitle()%></td>
                <td><%=m.getMsg_create_date()%></td>
                <td><%=m.getMsgcontent()%></td>
                <td><a href="send.jsp?reply=<%=m.getSendto()%>">回复邮件</a></td>
                <td><a href="del.jsp?id=<%=m.getMsgid()%>">删除邮件</a></td>
            </tr>
        </table>
    </div>
  </body>
</html>