JSP第十三周作业

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'register.jsp' starting page</title>    
  </head>
  
  <body>
  <script type="text/javascript">
        function validate(){
            if(registerForm.uname.value==""){
                alert("账号不能为空!");
                return;
            }
            if(registerForm.upwd.value==""){
                alert("密码不能为空!");
                return;
            }
            registerForm.submit();
        }
    </script>

    <form  name="registerForm" action="DoregServlet" method="post">

        用户名:<input type="text" name="uname"><br> 
        密   码: <input type="password" name="upwd"> <br>
        <input type="submit" value="注册" >
        <a href="denglu.jsp">登录</a>
    </form>
    
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>
<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>


    <form name="loginForm" action="DologinServlet" method="post">
        
    用户名:<input type="text" name="uname" ><br> 
    密码: <input  type="password" name="upwd"  >
    
        <input type="button" value="登录" onClick="validate()">    
        <a href="register.jsp">注册</a>


    </form>


</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<html>
<head>


<title>My JSP 'write.jsp' starting page</title>

</head>

<body>
    <form action="DowriteServlet" method="post">
        
    收件人:<input type="text" name="receiver"  value="<%=request.getParameter("reply")%>"><br> 
    主题: <input  type="text" name="title" ><br>
    内容    <textarea rows="6" cols="20" name="content"></textarea>
<br>
<input type="submit" value="发送"><br>
<a href="main.jsp">返回</a>
 

    </form>


</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="com.gd.entity.Msg"%>
<%@ page import="com.gd.dao.MsgDao"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'main.jsp' starting page</title>

</head>

<body>
    <%
        String uname = (String) session.getAttribute("uname");
    %>
    欢迎你<%
        out.print(uname);
    %>使用邮箱
    <hr>
    <a href="write.jsp">写邮件</a>
    <table border="1">
        <tr>
            <td>发件人</td>
            <td>标题</td>
            <td>状态</td>
            <td>时间</td>
            <td>操作</td>
            <td>操作</td>

            <%
                MsgDao md = new MsgDao();
                List<Msg> list = md.getMailByReceiver(uname);
                for (int i = 0; i < list.size(); i++) {
            %>
        
        <tr>
            <td><%=list.get(i).getUsername()%></td>
            <td><a href="detail.jsp?id=<%=list.get(i).getMsgid()%>"><%=list.get(i).getMsgcontent() %></a>
            </td>
            <td>
                <%
                    if (list.get(i).getState() == 1) {
                %> <img  src="images/weidu.png"/>
                <%
                    } else {
                %><img  src="images/yidu.png"/> <%
     }
 %>
            </td>
            <td><%=list.get(i).getMsg_create_date()%></td>
            <td><a href="DeleteServlet?id=<%=list.get(i).getMsgid()%>">删除</a>
            </td>
            <td><a href="write.jsp?reply=<%=list.get(i).getUsername()%>">回复</a>
            </td>


        </tr>


        <%
            }
        %>

    </table>


</body>
</html>
package com.gd.servelet;

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

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

import com.gd.dao.MsgDao;
import com.gd.dao.UsersDao;

public class DoregServlet extends HttpServlet {

    /**
         * Constructor of the object.
         */
    public DoregServlet() {
        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 {

           String uname=request.getParameter("uname");
           String upwd=request.getParameter("upwd");
           UsersDao ud=new UsersDao();
            MsgDao md=new MsgDao();
            if(ud.register(uname, upwd)>0){
            request.getSession().setAttribute("uname", uname);
            request.getRequestDispatcher("denglu.jsp").forward(request,response);
            
            }else{
                response.setHeader("refresh","5;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.gd.servelet;

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

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

import com.gd.dao.UsersDao;

public class Dologinservlet extends HttpServlet {

    /**
         * Constructor of the object.
         */
    public Dologinservlet() {
        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 {

        String uname = request.getParameter("uname");
        String upwd = request.getParameter("upwd");

        UsersDao ud = new UsersDao();
        if (ud.login(uname, upwd)) {
            request.getSession().setAttribute("uname", uname);
            request.getRequestDispatcher("main.jsp").forward(request, response);
        } else {
            
            response.setHeader("refresh", "5;url=denglu.jsp");
        }
    }

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

}
package com.gd.servelet;

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

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

import com.gd.dao.MsgDao;
import com.gd.entity.Msg;

public class DowriteServlet extends HttpServlet {

    /**
         * Constructor of the object.
         */
    public DowriteServlet() {
        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 {

        request.setCharacterEncoding("utf-8");
        String uname = (String) request.getSession().getAttribute("uname");
        String sendto = request.getParameter("receiver");
        String title = request.getParameter("title");
        String content = request.getParameter("content");

        Msg m = new Msg();
        m.setMsgcontent(content);
        m.setUsername(uname);
        m.setSendto(sendto);
        m.setTitle(title);

        MsgDao md = new MsgDao();
        md.addMsg(m);

        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.gd.servelet;

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

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

import com.gd.dao.MsgDao;

public class DeleteServlet extends HttpServlet {

    /**
         * Constructor of the object.
         */
    public DeleteServlet() {
        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 {

        int id = Integer.parseInt(request.getParameter("id"));
        MsgDao md = new MsgDao();
        md.delMail(id);
        response.setHeader("refresh", "2;url=main.jsp");
    }

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

}

 1.第十二周上机作业(邮件功能)的控制层代码改用为servlet实现。
 2.学习通发布了考试,截止到本周六。

posted @ 2022-05-25 12:00  计算机1905石红岩  阅读(19)  评论(0编辑  收藏  举报