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<%@ 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>
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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
}
}
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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");
}
}
}
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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();
}
}
}
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<!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>
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