Jsp第九次作业（带验证码的email）
BaseDao.java
package com.gd.dao; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.List; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.sql.DataSource; public class BaseDao { //经常用 所以建一个获取关闭 //获取连接 protected Connection getConnection(){ Connection conn=null; try { Class.forName("com.mysql.jdbc.Driver"); // 2.建立连接 conn = DriverManager.getConnection( "jdbc:mysql://localhost:3306/user", "root", "root"); } catch (Exception e) { e.printStackTrace(); } return conn; } //关闭连接 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(); } } }
MsgDao.java
package com.gd.dao; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.Date; import java.util.List; import com.gd.entity.Msg; public class MsgDao extends BaseDao{ // 发送,回复---insert操作 public void addMsg(Msg msg) { try { Connection con = getConnection(); String sql = "insert into msg(username,title,msgcontent,state,sendto,msg_create_date) values(?,?,?,?,?,?);"; PreparedStatement ps = con.prepareStatement(sql); ps.setString(1, msg.getUsername());// 给sql语句的问号赋值 ps.setString(2, msg.getTitle()); ps.setString(3, msg.getMsgcontent()); ps.setInt(4, 0);// 刚插入的邮件为未读邮件,直接赋值0 ps.setString(5, msg.getSendto()); ps.setDate(6, new java.sql.Date(new Date().getTime())); ps.executeUpdate(); closeAll(con, ps, null); } catch (SQLException ex) { ex.printStackTrace(); } } // 邮件列表 --select * from msg where username=.... public List<Msg> getMailByReceiver(String receiverName) { List<Msg> list = new ArrayList<Msg>(); try { Connection con = getConnection();// 获取连接 String sql = "select * from msg where sendto=?";// 编写sql语句 PreparedStatement ps = con.prepareStatement(sql); ps.setString(1, receiverName);// //给sql问号赋值 ResultSet rs = ps.executeQuery();// 执行查询 // 处理查询结果 while (rs.next()) { // 循环读取rs结果集,每一行作为一个msg对象,放入list集合中 Msg msg = new Msg(); msg.setMsgid(rs.getInt("msgid")); msg.setMsgcontent(rs.getString("msgcontent")); msg.setMsg_create_date(rs.getDate("msg_create_date")); msg.setSendto(rs.getString("sendto")); msg.setState(rs.getInt("state")); msg.setTitle(rs.getString("title")); msg.setUsernname(rs.getString("username")); list.add(msg); } closeAll(con, ps, rs); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return list; } // 根据id查内容 select public Msg getMailById(int id) { Msg msg = new Msg(); try { Connection con = getConnection();// 获取连接 String sql = "select * from msg where msgid=?";// 编写sql语句 PreparedStatement ps = con.prepareStatement(sql); ps.setInt(1, id);// //给sql问号赋值 ResultSet rs = ps.executeQuery();// 执行查询 // 处理查询结果 while (rs.next()) { // 循环读取rs结果集,每一行作为一个msg对象,放入list集合中 msg.setMsgid(rs.getInt("msgid")); msg.setMsgcontent(rs.getString("msgcontent")); msg.setMsg_create_date(rs.getDate("msg_create_date")); msg.setSendto(rs.getString("sendto")); msg.setState(rs.getInt("state")); msg.setTitle(rs.getString("title")); msg.setUsername(rs.getString("username")); } closeAll(con, ps, rs); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return msg; } public static void main(String[] args) { MsgDao md = new MsgDao(); md.delMsg(14); } // 阅读状态改变,,,未读 已读 update public void alterMsg(int id){ try { Connection con=getConnection(); String sql="update msg set state=1 where msgid=?"; PreparedStatement ps = con.prepareStatement(sql); ps.setInt(1, id); ps.executeUpdate(); closeAll(con, ps, null); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } // 删除邮件 delete public void delMsg(int id){ try { Connection con=getConnection(); String sql="delete from msg where msgid=?"; PreparedStatement ps = con.prepareStatement(sql); ps.setInt(1, id); ps.executeUpdate(); closeAll(con, ps, null); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
UsersDao.java
package com.gd.dao; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import com.gd.entity.Users; public class UsersDao extends BaseDao { // 登录功能 public boolean login(String uname, String upwd) throws SQLException { // 获取连接 Connection conn = getConnection(); // 编写sql语句 String sql = "select * from users where username=? and password=?"; // 执行sql语句 PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, uname); ps.setString(2, upwd); ResultSet rs = ps.executeQuery(); if (rs.next()) { closeAll(conn, ps, rs); return true; } else { closeAll(conn, ps, rs); return false; } } public void addUsers(Users users) { try { Connection con = getConnection(); String sql = "insert into users(username,password,email) values(?,?,?);"; PreparedStatement ps = con.prepareStatement(sql); ps.setString(1, users.getUsername()); ps.setString(2, users.getPassword()); ps.setString(3, users.getEmail()); ps.executeUpdate(); closeAll(con, ps, null); } catch (SQLException ex) { ex.printStackTrace(); } } }
Msg.java
package com.gd.entity; import java.sql.Date; public class Msg { private int msgid; private String username; private String title; private String msgcontent; private int state; private String sendto; Date msg_create_date; public Date getMsg_create_date() { return msg_create_date; } public void setMsg_create_date(Date msg_create_date) { this.msg_create_date = msg_create_date; } public int getMsgid() { return msgid; } public void setMsgid(int msgid) { this.msgid = msgid; } public String getUsername() { return username; } public void setUsername(String usernname) { this.username = usernname; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getMsgcontent() { return msgcontent; } public void setMsgcontent(String msgcontent) { this.msgcontent = msgcontent; } public int getState() { return state; } public void setState(int state) { this.state = state; } public String getSendto() { return sendto; } public void setSendto(String sendto) { this.sendto = sendto; } }
Users.java
package com.gd.entity; public class Users { String username; String password; String email; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } }
delete.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="com.gd.entity.Users"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <% int id = Integer.parseInt(request.getParameter("delid")); MsgDao md = new MsgDao(); md.delMsg(id); request.getRequestDispatcher("main.jsp").forward(request, response); %> </html>
detail.jsp
<%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <%@ page language="java" contentType="text/html; charset=utf-8" 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" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <body> <% int id = Integer.parseInt(request.getParameter("id")); MsgDao md = new MsgDao(); Msg m = md.getMailById(id); md.alterMsg(m.getMsgid()); %> <p> 题目:<%=m.getTitle()%></p> <p> 来自:<%=m.getUsername()%></p> <p> 时间:<%=m.getMsg_create_date()%></p> <p> 内容:<%=m.getMsgcontent()%></p> 回复 <a href="main.jsp">返回</a> </body> </html>
do.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="com.gd.entity.Users"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <%@page import="com.gd.dao.UsersDao"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <body> <% request.setCharacterEncoding("utf-8"); Users a=new Users(); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); String email = request.getParameter("uemail"); a.setUsername(uname); a.setPassword(upwd); a.setEmail(email); UsersDao as=new UsersDao(); as.addUsers(a); request.getRequestDispatcher("index.jsp").forward(request, response); %> </body> </html>
dologin.jsp
<%@page import="com.gd.entity.Users"%> <%@page import="com.gd.dao.UsersDao"%> <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); UsersDao ud = new UsersDao(); if(request.getParameter("validationCode1").equals(request.getParameter("validationCode"))) { if (ud.login(uname, upwd)){ //登录成功,创建User对象,并放入session Users u=new Users(); u.setUsername(uname); u.setPassword(upwd); session.setAttribute("user", u); request.getRequestDispatcher("main.jsp").forward(request, response); } else{ response.sendRedirect("index.jsp"); } } else{ response.sendRedirect("index.jsp"); } %> </html>
dowrite.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="com.gd.entity.Users"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <% Users u = (Users) session.getAttribute("user"); String uname = request.getParameter("sjr"); String title = request.getParameter("title"); String content = request.getParameter("content"); Msg m = new Msg(); m.setUsername(u.getUsername());//发件人 登陆者 m.setSendto(uname);//收件人: 上一页面填写的 m.setTitle(title); m.setMsgcontent(content); MsgDao md = new MsgDao(); md.addMsg(m); request.getRequestDispatcher("main.jsp").forward(request, response); %> </html>
index.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" 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" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <script type="text/javascript"> function mycheck() { //判断验证码是否为空 if (form1.validationCode.value==""){ alert("验证码不能为空，请输入验证码!"); form1.validationCode.focus(); return; } //判断验证码是否正确 if (form1.validationCode.value != form1.validationCode1.value) { alert("请输入正确的验证码!!"); form1.validationCode.focus(); return; } form1.submit1(); } </script> <body> <form action="dologin.jsp" method="post"> 用户名:<input type="text" name="uname" value="kitty" /><Br> 密码 ：<input type="password" name="upwd" value="777"/><br> <br> 验证码：<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){form1.submit.focus();}" size="6"> <% int intmethod1 = (int) ((((Math.random()) * 7)) - 1); int intmethod2 = (int) ((((Math.random()) * 7)) - 1); int intmethod3 = (int) ((((Math.random()) * 7)) - 1); int intmethod4 = (int) ((((Math.random()) * 7)) - 1); //将得到的随机数进行连接 String intsum=intmethod1+""+intmethod2+intmethod3+intmethod4; %> <input type="hidden" name="validationCode1" value="<%=intsum%>"> <img style="height:20px;weight:20px" src="images/<%=intmethod1 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod2 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod3 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod4 %>.png"> <br> <input type="submit" value="登录"> <a href="register.jsp">注册</a> </form> </body> </html>
logout.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="com.gd.entity.Users"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <% session.removeAttribute("user"); request.getRequestDispatcher("index.jsp").forward(request, response); %> </html>
main.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="java.sql.SQLException"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <%@page import="com.gd.entity.Users"%> <%@page import="java.util.List"%> <%@page import="com.gd.dao.BaseDao"%> <%@page import="com.gd.entity.Msg"%> <%@page import="java.sql.DriverManager"%> <%@page import="java.sql.PreparedStatement"%> <%@page import="java.sql.ResultSet"%> <%@page import="java.sql.Connection"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <body> 欢迎页面!!!欢迎你!!!<% Users u = (Users) session.getAttribute("user"); out.print(u.getUsername()); MsgDao md = new MsgDao(); List<Msg> list = md.getMailByReceiver(u.getUsername()); out.print(list.size()); %> <a href="write.jsp">写邮件</a> <a href="logout.jsp">退出</a> <table border="1" width="1000"> <tr> <td>邮件id</td> <td>发件人</td> <td>标题</td> <td>收件人</td> <td>状态</td> <td>时间</td> <td> </td> <td> </td> </tr> <% for (int i = 0; i < list.size(); i++) { %> <tr> <td><%=list.get(i).getMsgid()%></td> <td><%=list.get(i).getUsername()%></td> <td><a href="detail.jsp?id=<%=list.get(i).getMsgid()%>"><%=list.get(i).getTitle()%></a> </td> <td><%=list.get(i).getSendto()%></td> <td> <% if (list.get(i).getState() == 0) { %> <img src="images/sms_unReaded.png"></img> <% } else { %> <img src="images/sms_readed.png"></img> <% } %> </td> <!-- 0已读,1未读 --> <td><%=list.get(i).getMsg_create_date()%></td> <td><a href="write.jsp?mailto=<%=list.get(i).getUsername() %>">回复</a> </td> <td> <a href="delete.jsp?delid=<%=list.get(i).getMsgid()%>"> 删除</a> </td> </tr> <% } %> </table> </body> </html>
register.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" 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" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <head> <base href="<%=basePath%>"> <title>My JSP 'register.jsp' starting page</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"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="do.jsp" method="post"> 用户名:<input type="text" name="uname" /><Br> 密码 ：<input type="password" name="upwd" /><br> email：<input type="text" name="uemail" /><br> <input type="submit" value="确认"> </form> </body> </html>
write.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> </head> <body> <form action="dowrite.jsp" method="post"> <p> 收件人:<input type="text" name="sjr" value=<%=request.getParameter("mailto") %> /> </p> <p> 标题:<input type="text" name="title" /> </p> <p> 内容:<input type="text" name="content" /> </p> <input type="submit" value="发送"> </form> <a href="main.jsp">返回</a> </body> </html>
