JSP第十三周作业
复制代码 <%@ 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> 复制代码 复制代码 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 } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); 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); out.print("发送成功....."); response.setHeader("refresh", "3;url=main.jsp"); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } } 复制代码 复制代码 import java.io.IOException; 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 dao.UsersDao; /** * Servlet implementation class dologin */ @WebServlet("/dologin") public class dologin extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public dologin() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doPost(request, response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub 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.getWriter().print("登陆失败,即将跳回登陆页....."); response.setHeader("refresh", "5;url=login.jsp"); } } } 复制代码 复制代码 package com.jdbc2; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; public class BaseDao { //连接数据库 public Connection getConnection() { Connection con = null; try { Class.forName("com.mysql.jdbc.Driver"); con=DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","123456"); } catch (Exception e) { e.printStackTrace(); } return con; } //关闭数据库 protected void closeAll(Connection con,PreparedStatement ps,ResultSet rs){ try { if(rs != null) rs.close(); if(ps != null) ps.close(); if(con != null) con.close(); } catch (SQLException e) { e.printStackTrace(); } } } 复制代码 复制代码 <!DOCTYPE HTML> <html> <head> <title></title> </head> <body> <% String uname = (String) session.getAttribute("uname"); EmailDao dao = new EmailDao(); List<Email> list = dao.getAll(uname); %> 欢迎<%=uname%> <a href="write1.jsp">写邮件</a> <a href="exit.jsp">退出登录</a> <br> <br> <table border="1px" cellspacing="0" cellpadding="30px"> <thead></thead> <tr> <th>发件人</th> <th>标题</th> <th>时间</th> <th>状态</th> <th>操作</th> <th>操作</th> </tr> <tbody></tbody> <% for (int i = 0; i < list.size(); i++) { %> <tr> <td><%out.print(list.get(i).getFa().toString()); %></td> <td><a href="dolook.do?id=<%=list.get(i).getId() %>"><%out.print(list.get(i).getTitle().toString()); %></a></td> <td><%out.print(list.get(i).getTime().toString()); %></td> <td><%if(list.get(i).getZhuang().equals("0")){ out.print("<img src='img/2.png'></img>"); }else{ out.print("<img src='img/1.png'></img>"); }%> <td><a href="write.jsp?uname=<%=list.get(i).getFa()%>">回复</a></td> <td><a href="dodel.do?id=<%=list.get(i).getId()%>">删除</a></td> </td> </tr> <% } %> </table> </body> </html>