学习笔记-房产管理系统1

1.user.jsp(顾客总功能选择页面)

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<%--
  Created by IntelliJ IDEA.
  User: 22466
  Date: 2022/11/19
  Time: 19:28
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>user.jsp</title>
</head>
<%--顾客功能页--%>
<body>
<%
    String uname=(String) request.getSession().getAttribute("uname");
%>
<table align="center" width="400">
    <a href="usinfo.jsp?usname=<%=uname%>">查看个人信息</a><br>
    <a href="uspwd.jsp?usname=<%=uname%>">修改个人密码</a><br>
    <a href="usliulan.jsp?usname=<%=uname%>">浏览房产信息</a><br>
    <a href="usliulan.jsp?usname=<%=uname%>">购买房产</a><br>
</table>
</body>
</html>
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2.usinfo.jsp(顾客查看个人信息页面)

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<%@ page import="org.apache.ibatis.session.SqlSession" %>
<%@ page import="com.xxxx.util.GetSqlSession" %>
<%@ page import="com.xxxx.mapper.UserMapper" %>
<%@ page import="com.xxxx.entity.User" %><%--
  Created by IntelliJ IDEA.
  User: 22466
  Date: 2022/11/28
  Time: 21:53
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>usinfo.jsp</title>
</head>
<%--顾客功能:查看个人信息页面--%>
<body>
<%
    String usname=request.getParameter("usname");
    SqlSession sqlSession= GetSqlSession.CreateSqlSession();
    UserMapper userMapper=sqlSession.getMapper(UserMapper.class);
    User user=userMapper.selectByusname(usname);
%>
<table align="center" width="800">
    <tr>
        <td>顾客ID</td><td>姓名</td><td>性别</td><td>身份证号</td><td>手机</td><td>家庭住址</td>
    </tr>
    <tr><td><%=user.getUsid()%></td>
        <td><%=user.getUsname()%></td><td><%=user.getUssex()%></td><td><%=user.getUsidnum()%></td><td><%=user.getUsphone()%></td><td><%=user.getUsaddress()%></td>
    </tr>
</table>
</body>
</html>
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3.uspwd.jsp(顾客修改个人密码页面)

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<%@ page import="org.apache.ibatis.session.SqlSession" %>
<%@ page import="com.xxxx.util.GetSqlSession" %>
<%@ page import="com.xxxx.mapper.LoginMapper" %>
<%@ page import="com.xxxx.entity.Login" %><%--
  Created by IntelliJ IDEA.
  User: 22466
  Date: 2022/11/28
  Time: 22:00
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>uspwd.jsp</title>
</head>
<%--顾客修改个人密码页面,要判断:输入的密码是否和旧密码相同--%>
<body>
<%
    String usname=request.getParameter("usname");
    request.getSession().setAttribute("usname",usname);
    SqlSession sqlSession= GetSqlSession.CreateSqlSession();
    LoginMapper loginMapper=sqlSession.getMapper(LoginMapper.class);
    Login login=loginMapper.selectByusname(usname);
%>
<form action="uspwdServlet" method="post" id="uspwdForm">
    输入旧密码:<input type="password" name="uspwd1" id="uspwd1"><br>
    输入新密码:<input type="password" name="uspwd2" id="uspwd2"><br>
    确认新密码:<input type="password" name="uspwd3" id="uspwd3"><br>
    <button type="button" id="uspwdBtn">修改</button>
</form>
<script type="text/javascript" src="js/jquery-3.6.1.js"></script>
<script type="text/javascript">
    $("#uspwdBtn").click(function (){
        var uspwd1=$("#uspwd1").val();
        var uspwd2=$("#uspwd2").val();
        var uspwd3=$("#uspwd3").val();
        if(uspwd1 != <%=login.getUpwd()%>)alert("旧密码有误");
        else {
            if(uspwd2 != uspwd3) alert("两次输入的新密码不相同");
            else $("#uspwdForm").submit();
        }
    })
</script>
</body>
</html>
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4.uspwdServlet(顾客修改个人密码Servlet)

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package com.xxxx.servlet;

import com.mysql.cj.log.Log;
import com.xxxx.entity.Login;
import com.xxxx.mapper.LoginMapper;
import com.xxxx.util.GetSqlSession;
import org.apache.ibatis.session.SqlSession;

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 java.io.IOException;

@WebServlet("/uspwdServlet")
public class uspwdServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        String usname= (String) request.getSession().getAttribute("uname");
        String uspwd=request.getParameter("uspwd2");
        SqlSession sqlSession=GetSqlSession.CreateSqlSession();
        LoginMapper loginMapper=sqlSession.getMapper(LoginMapper.class);
        loginMapper.updateByusname(usname,uspwd);
        response.getWriter().write("修改成功");
        response.getWriter().close();
        sqlSession.close();
    }
}
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5.usliulan.jsp(顾客浏览房产信息页面)

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<%@ page import="org.apache.ibatis.session.SqlSession" %>
<%@ page import="com.xxxx.util.GetSqlSession" %>
<%@ page import="com.xxxx.mapper.HouseMapper" %>
<%@ page import="com.xxxx.entity.House" %>
<%@ page import="com.xxxx.mapper.UserMapper" %>
<%@ page import="com.xxxx.entity.User" %><%--
  Created by IntelliJ IDEA.
  User: 22466
  Date: 2022/11/29
  Time: 13:05
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>usliulan.jsp</title>
</head>
<%--顾客浏览房产信息--%>
<body>
<table align="center" width="800">
    <tr>
        <td>房产编号</td><td>户型</td><td>房产地址</td><td>建造年份</td><td>建造面积</td><td>销售报价</td><td>销售状态</td><td>操作</td>
    </tr>
<%
    SqlSession sqlSession= GetSqlSession.CreateSqlSession();
    UserMapper userMapper=sqlSession.getMapper(UserMapper.class);
    User user=userMapper.selectByusname(request.getParameter("usname"));
    HouseMapper houseMapper=sqlSession.getMapper(HouseMapper.class);
    House[] houses=houseMapper.selectAllus();
    for (House house:houses) {
        %>
    <tr>
        <td><%=house.getHoid()%></td><td><%=house.getHotype()%></td><td><%=house.getHoaddress()%></td><td><%=house.getHoyear()%></td><td><%=house.getHoarea()%></td><td><%=house.getHosale()%></td><td><%=house.getHostatus()%></td>
        <td><a href="usliulanServlet?hoid=<%=house.getHoid()%>&uid=<%=user.getUsid()%>">交易</a></td>
    </tr>
<%
    }
%>
</table>
</body>
</html>
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6.usliulanServlet(顾客购买房产Servlet)

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package com.xxxx.servlet;

import com.xxxx.mapper.HouseMapper;
import com.xxxx.util.GetSqlSession;
import org.apache.ibatis.session.SqlSession;

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 java.io.IOException;

@WebServlet("/usliulanServlet")
public class usliulanServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        String uid= request.getParameter("uid");
        String hoid= request.getParameter("hoid");
        SqlSession sqlSession= GetSqlSession.CreateSqlSession();
        HouseMapper houseMapper=sqlSession.getMapper(HouseMapper.class);
        houseMapper.updateStaByhoid(hoid,uid);
        response.getWriter().write("交易提交成功");
        response.getWriter().close();
        sqlSession.close();
    }
}
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7.HouseMapper .java(接口类)

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package com.xxxx.mapper;


import com.xxxx.entity.House;
import org.apache.ibatis.annotations.Param;

public interface HouseMapper {

    void add(House house);

    House[] selectBy(House house);

    House selectByhoid(String hoid);

    House[] selectAll();

    void updateByhoidagid(@Param("hoid") String hoid,@Param("aid") String aid);

    void updateByhoid(String hoid);

    House[] selectAllus();

    void updateStaByhoid(@Param("hoid") String hoid, @Param("uid") String uid);
}
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8.HouseMapper.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!--<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"-->
<!--         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"-->
<!--         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"-->
<!--         version="4.0">-->
<!--</web-app>-->
<!DOCTYPE mapper PUBLIC "-//mybatis.org/DTD Mapper 3.0" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!--namespace:命名空间-->
<mapper namespace = "com.xxxx.mapper.HouseMapper">

    <insert id="add">
        insert into house (hoid,hotype,hoaddress,hoyear,hoarea,hosale,hostatus)
        values (#{hoid},#{hotype},#{hoaddress},#{hoyear},#{hoarea},#{hosale},#{hostatus});
    </insert>
    <update id="updateByhoidagid">
        update house
        set aid =#{aid},hostatus="待售"
        where hoid=#{hoid};
    </update>
    <update id="updateByhoid">
        update house set hostatus="停售" where hoid=#{hoid};
    </update>
    <update id="updateStaByhoid">
        update house
        set hostatus ="意向",uid=#{uid}
        where hoid=#{hoid};
    </update>
    <select id="selectBy" resultType="com.xxxx.entity.House">
        select * from house
        <where>
            <if test="hotype !=null and hosale!=''">
                and hotype=#{hotype}
            </if>
            <if test="hoaddress!=null and hoaddress!=''">
                and hoaddress=#{hoaddress}
            </if>
            <if test="hoyear!=null and hoyear!=''">
                and hoyear=#{hoyear}
            </if>
            <if test="hoarea!=null and hoarea!=''">
                and hoarea=#{hoarea}
            </if>
            <if test="hosale!=null and hosale!=''">
                and hosale=#{hosale}
            </if>
        </where>
    </select>
    <select id="selectByhoid" resultType="com.xxxx.entity.House">
        select * from house where hoid=#{hoid};
    </select>
    <select id="selectAll" resultType="com.xxxx.entity.House">
        select * from house;
    </select>
    <select id="selectAllus" resultType="com.xxxx.entity.House">
        select * from house where hostatus="在售";
    </select>
</mapper>
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9.UserMapper.java(接口类)

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package com.xxxx.mapper;


import com.xxxx.entity.User;

public interface UserMapper {

    User[] selectusstatus(String usstatus);

    User selectByusidnum(String usidnum);

    void updateusstatus(String usidnum);

    void register(User user);

    User selectByusname(String usname);
}
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10.UserMapper.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!--<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"-->
<!--         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"-->
<!--         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"-->
<!--         version="4.0">-->
<!--</web-app>-->
<!DOCTYPE mapper PUBLIC "-//mybatis.org/DTD Mapper 3.0" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!--namespace:命名空间-->
<mapper namespace = "com.xxxx.mapper.UserMapper">
    <insert id="register">
        insert into user(usidnum,usname,ussex,usphone,usaddress,usstatus) values (#{usidnum},#{usname},#{ussex},#{usphone},#{usaddress},"0");
    </insert>
    <update id="updateusstatus">
        update user
        set usstatus = "1"
        where usidnum=#{usidnum};
    </update>

    <select id="selectusstatus" resultType="com.xxxx.entity.User">
        select * from user where usstatus=#{usstatus};
    </select>
    <select id="selectByusidnum" resultType="com.xxxx.entity.User">
        select * from user where usidnum=#{usidnum};
    </select>
    <select id="selectByusname" resultType="com.xxxx.entity.User">
        select *
        from user where usname=#{usname};
    </select>
</mapper>
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11.LoginMapper.java(接口类)

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package com.xxxx.mapper;


import com.xxxx.entity.Login;
import org.apache.ibatis.annotations.Param;

public interface LoginMapper {

    Login selectByunametype(@Param("uname") String uname, @Param("type") String type);

    void updateByuname(String uname);

    Login selectByusname(String usname);

    void updateByusname(@Param("usname") String usname,@Param("uspwd") String uspwd);
}
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12.LoginMapper.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!--<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"-->
<!--         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"-->
<!--         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"-->
<!--         version="4.0">-->
<!--</web-app>-->
<!DOCTYPE mapper PUBLIC "-//mybatis.org/DTD Mapper 3.0" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!--namespace:命名空间-->
<mapper namespace = "com.xxxx.mapper.LoginMapper">
    <update id="updateByuname">
        update login01
        set upwd = "123456"
        where uname=#{uname};
    </update>
    <update id="updateByusname">
        update login01
        set upwd =#{uspwd}
        where uname=#{usname} and type="顾客";
    </update>

    <select id="selectByunametype" resultType="com.xxxx.entity.Login">
        select * from login01 where type=#{type} and uname=#{uname};
    </select>
    <select id="selectByusname" resultType="com.xxxx.entity.Login">
        select * from login01 where type="顾客" and uname=#{usname};
    </select>
</mapper>
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posted @ 2022-12-22 14:27  小彭先森  阅读(17)  评论(0编辑  收藏  举报