第十二周作业
package bean;
import java.util.Date;
public class Msg {
private int msgid;
private String uname;
private String title;
private String msgcontent;
private int state;
private String sendto;
private Date msg_create_date;
public Msg(int msgid, String uname, String title, String msgcontent,
int state, String sendto, Date msg_create_date) {
super();
this.msgid = msgid;
this.uname = uname;
this.title = title;
this.msgcontent = msgcontent;
this.state = state;
this.sendto = sendto;
this.msg_create_date = msg_create_date;
}
public Msg() {
}
public int getMsgid() {
return msgid;
}
public void setMsgid(int msgid) {
this.msgid = msgid;
}
public String getUname() {
return uname;
}
public void setUname(String uname) {
this.uname = uname;
}
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;
}
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;
}
}
package bean;
public class Users {
private String username;
private String password;
private String email;
public Users() {
}
public Users(String username, String password, String email) {
super();
this.username = username;
this.password = password;
this.email = 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;
}
}
package dao;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class BaseDao {
//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/mysql", "root", "123456");
} 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();
}
}
}
package 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 bean.Msg;
public class MsgDao extends BaseDao {
// 根据登录用户获取收件列表 收件人=uname
public List<Msg> getReceive(String uname) {
List<Msg> list = new ArrayList<Msg>();
Connection conn = getConnection();
String sql = "SELECT * from msg where sendto=?";
PreparedStatement ps;
try {
ps = conn.prepareStatement(sql);
ps.setString(1, uname);
ResultSet rs=ps.executeQuery();
while(rs.next()){
Msg m=new Msg();//读取一行，创建一个对象
m.setMsgid(rs.getInt(1));
m.setUname(rs.getString(2));
m.setTitle(rs.getString(3));
m.setMsgcontent(rs.getString(4));
m.setState(rs.getInt(5));
m.setSendto(rs.getString(6));
m.setMsg_create_date(rs.getDate(7));
list.add(m);//添加到list列表中
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return list;
}
//把邮件对象m写入到数据库
public void writeMsg(Msg m){
Connection conn=getConnection();
String sql="insert into msg(username,title,msgcontent,state,sendto,msg_create_date) values(?,?,?,?,?,?)";
PreparedStatement ps=null;
try {
ps = conn.prepareStatement(sql);
ps.setString(1, m.getUname());
ps.setString(2, m.getTitle());
ps.setString(3, m.getMsgcontent());
ps.setString(5, m.getSendto());
ps.setInt(4, 1);//1shi weidu
ps.setDate(6, new java.sql.Date(new Date().getTime()));
ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
closeAll(conn, ps, null);
}
}
//根据消息ID获取消息详情
public Msg getMsgById(int id){
Msg m=new Msg();
Connection conn = getConnection();
String sql = "SELECT * from msg where msgid=?";
PreparedStatement ps=null;
ResultSet rs=null;
try {
ps = conn.prepareStatement(sql);
ps.setInt(1, id);
rs=ps.executeQuery();
while(rs.next()){
m.setMsgid(rs.getInt(1));
m.setUname(rs.getString(2));
m.setTitle(rs.getString(3));
m.setMsgcontent(rs.getString(4));
m.setState(rs.getInt(5));
m.setSendto(rs.getString(6));
m.setMsg_create_date(rs.getDate(7));
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
closeAll(conn, ps, rs);
}
return m;
}
//根据ID删除消息
public void delMsg(int id){
Connection con=getConnection();
PreparedStatement ps=null;
String sql="delete from msg where msgid=?";
try {
ps=con.prepareStatement(sql);
ps.setInt(1, id);
ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
closeAll(con, ps, null);
}
}
//修改邮件的已读状态 把1改0
public void updateMsg(int id){
try {
Connection con = getConnection();
String sql="update msg set state=0 where msgid=?";
PreparedStatement ps = con.prepareStatement(sql);
ps.setInt(1, id);//给sql语句的问号赋值
ps.executeUpdate();
closeAll(con, ps, null);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
package dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import bean.Users;
public class UsersDao extends BaseDao {
//登录
public boolean login(String uname,String upwd){
boolean f=false;
Connection conn=getConnection();
String sql="select * from users where username=? and password=?";
PreparedStatement ps=null;
ResultSet rs=null;
try {
ps=conn.prepareStatement(sql);
ps.setString(1, uname);
ps.setString(2, upwd);
rs=ps.executeQuery();
if (rs.next()) {
f=true;
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
closeAll(conn, ps, rs);
}
return f;
}
//注册,相当于添加一个用户
public int register(Users u){
Connection conn=getConnection();
String sql="insert into users values(?,?,?)";
PreparedStatement ps=null;
int i=0;
try {
ps=conn.prepareStatement(sql);
ps.setString(1, u.getUsername());
ps.setString(2, u.getPassword());
ps.setString(3, u.getEmail());
i=ps.executeUpdate();//返回受影响的行数
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
closeAll(conn, ps, null);
}
return i;
}
public static void main(String[] args) {
Users u=new Users("haha", "123456", "haha@163.com");
UsersDao ud=new UsersDao();
//System.out.println(ud.register(u));
System.out.println(ud.login("kit243ty", "777"));
}//修改个人信息
}
<%@ 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>
<base href="<%=basePath%>">
<title>My JSP 'login.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="dologin.jsp" method="post">
用户名:<input type="text" name="uname" value="ls" /><Br>
密码 ：<input type="password" name="upwd" value="456"/><br>
<input type="submit" value="登录">
<a href="register.jsp" >注册</a>
</form>
</body>
</html>
<%@page import="bean.Msg"%>
<%@page import="dao.MsgDao"%>
<%@ 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>
<base href="<%=basePath%>">
<title>My JSP 'login.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>
<%
MsgDao md = new MsgDao();
String uname = (String) session.getAttribute("uname");
List<Msg> list = md.getReceive(uname);
%>
欢迎你<%=uname%> <a href="write.jsp">写邮件</a>
<table border="1">
<tr>
<td>标题 </td>
<td>是否已读</td>
<td>发件人</td>
<td>时间</td>
<td>操作</td>
<td>操作</td>
</tr>
<%for(int i=0;i<list.size();i++){ %>
<tr>
<td><a href="readMsg.jsp?mid=<%=list.get(i).getMsgid()%>"><%=list.get(i).getTitle() %></a></td>
<td><%int x=list.get(i).getState();
if(x==0){%>
<img src="images/sms_readed.png">
<%}else{ %>
<img src="images/sms_unReaded.png">
<%} %>
</td>
<td><%=list.get(i).getUname() %></td>
<td><%=list.get(i).getMsg_create_date() %></td>
<td><a href="dodel.jsp?mid=<%=list.get(i).getMsgid()%>">删除</a></td>
<td><a href="write.jsp?reply=<%=list.get(i).getUname()%>">回复</td>
</tr>
<%} %>
</table>
</body>
</html>
<%@ 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>
<base href="<%=basePath%>">
<title>My JSP 'login.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="dowrite.jsp" method="post">
收件人：<input type="text" name="sendto" value="<%=request.getParameter("reply") %>" ><br>
主题:<input type="text" name="title"><br>
内容:<textarea name="content"></textarea>
<input type="submit" value="发送">
</form>
</body>
</html>
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