8月1日 分布式缓存 周三

假删除业务-单表实现

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>


<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'list.jsp' starting pagetitle>

    <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">
    

  head>

  <body>
    <table>
    <tr>
        <c:if test="${x==1}">
        <th>
            <button onclick="location='list.do?x=0'">回收站button>
        th>
        c:if>
        <c:if test="${x==0}">
        <th>
            <button onclick="location='list.do?x=1'">返回列表button>
        th>
        <th>
            <button onclick="location='delAll.do'">彻底删除button>
        th>
        <th>
            <button onclick="location='returnAll.do'">还原button>
        th>
        c:if>
    tr>

        <tr>
            <th>idth>
            <th>nameth>
            <th>ageth>
            <th>sexth>
        tr>
        <c:if test="${x==1}">
            <c:forEach items="${userList }" var="u">
                <c:if test="${u.num==1}">
                    <tr>
                        <th>${u.id }th>
                        <th>${u.name }th>
                        <th>${u.age }th>
                        <th>${u.sex }th>
                        <th><input type="button" value="删除" onclick="location='updateUser.do?id=${u.id}'">th>
                    tr>
                c:if>
            c:forEach>
        c:if>
        <c:if test="${x==0}">
            <c:forEach items="${userList }" var="u">
                <c:if test="${u.num==0}">
                    <tr>
                        <th>${u.id }th>
                        <th>${u.name }th>
                        <th>${u.age }th>
                        <th>${u.sex }th>
                    tr>
                c:if>
            c:forEach>
        c:if>
    table>
  body>
html>



<mapper namespace="com.mapper.UserMapper">

    <select id="getUserList" resultType="com.dto.User">
        select * from t_user
    select>

    <update id="updateUser">
        update t_user set num=0 where id=#{id}
    update>

    <update id="returnAll">
        update t_user set num=1
    update>

    <delete id="delAll">
        delete from t_user where num=0
    delete>
mapper>

没死就不要把自己当成废物

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