parent
54c05ecea4
commit
3b7e996e2f
@ -1,70 +1,104 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<!-- 定义命名空间，对应 DAO 接口 -->
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<mapper namespace="com.dao.CommonDao">
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<!-- 查询指定列的不重复值，排除空值和空字符串 -->
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<!-- 可根据 level 和 parent 条件进行筛选 -->
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<select id="getOption" resultType="String" >
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<!-- 查询指定表中指定列的不重复值 -->
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SELECT distinct ${column} FROM ${table}
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where ${column} is not null and ${column} !=''
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<if test = "level != null">
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<!-- 排除列值为 null 和空字符串的情况 -->
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where ${column} is not null and ${column} !=''
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<!-- 如果 level 参数不为空，添加 level 条件 -->
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<if test = "level != null">
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and level=#{level}
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</if>
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<if test = "parent != null">
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</if>
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<!-- 如果 parent 参数不为空，添加 parent 条件 -->
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<if test = "parent != null">
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and parent=#{parent}
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</if>
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</if>
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</select>
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<!-- 根据指定列的值查询表中的所有列 -->
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<select id="getFollowByOption" resultType="map" >
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<!-- 查询指定表中指定列等于指定值的所有记录 -->
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SELECT * FROM ${table} where ${column}=#{columnValue}
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</select>
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<!-- 根据 id 更新表中的 sfsh 字段 -->
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<update id="sh">
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<!-- 更新指定表中 id 等于指定值的记录的 sfsh 字段 -->
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UPDATE ${table} set sfsh=#{sfsh} where id=#{id}
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</update>
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<!-- 根据不同条件统计记录数量 -->
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<select id="remindCount" resultType="int" >
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<!-- 统计指定表中的记录数量 -->
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SELECT count(1) FROM ${table}
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where 1=1
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<if test = "type == 1 ">
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<if test = " remindstart != null ">
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and ${column} >= #{remindstart}
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</if>
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<if test = " remindend != null ">
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and ${column} <= #{remindend}
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</if>
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<!-- 基础条件，始终为真 -->
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where 1=1
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<!-- 如果 type 为 1 -->
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<if test = "type == 1 ">
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<!-- 如果 remindstart 参数不为空，添加大于等于条件 -->
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<if test = " remindstart != null ">
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and ${column} >= #{remindstart}
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</if>
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<!-- 如果 remindend 参数不为空，添加小于等于条件 -->
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<if test = " remindend != null ">
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and ${column} <= #{remindend}
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</if>
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<if test = "type == 2 ">
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<if test = " remindstart != null ">
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and ${column} >= str_to_date(#{remindstart},'%Y-%m-%d')
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</if>
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<if test = " remindend != null ">
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and ${column} <= str_to_date(#{remindend},'%Y-%m-%d')
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</if>
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</if>
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<!-- 如果 type 为 2 -->
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<if test = "type == 2 ">
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<!-- 如果 remindstart 参数不为空，添加大于等于日期转换后的条件 -->
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<if test = " remindstart != null ">
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and ${column} >= str_to_date(#{remindstart},'%Y-%m-%d')
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</if>
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<!-- 如果 remindend 参数不为空，添加小于等于日期转换后的条件 -->
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<if test = " remindend != null ">
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and ${column} <= str_to_date(#{remindend},'%Y-%m-%d')
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</if>
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</if>
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</select>
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<!-- 对指定列进行聚合计算，包括求和、最大值、最小值和平均值 -->
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<select id="selectCal" resultType="map" >
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<!-- 对指定表中的指定列进行求和、求最大值、求最小值和求平均值 -->
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SELECT sum(${column}) sum,max(${column}) max,min(${column}) min,avg(${column}) avg FROM ${table}
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</select>
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<!-- 对指定列进行分组统计，统计每组的记录数量 -->
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<select id="selectGroup" resultType="map" >
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<!-- 对指定表中的指定列进行分组，并统计每组的记录数量 -->
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SELECT ${column} , count(1) total FROM ${table} group by ${column}
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</select>
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<!-- 对指定的 x 列和 y 列进行分组统计，统计每组 y 列的总和 -->
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<select id="selectValue" resultType="map" >
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<!-- 对指定表中的 x 列进行分组，并统计每组 y 列的总和 -->
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SELECT ${xColumn}, sum(${yColumn}) total FROM ${table} group by ${xColumn}
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</select>
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<select id="selectTimeStatValue" resultType="map" >
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<if test = 'timeStatType == "日"'>
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SELECT DATE_FORMAT(${xColumn},'%Y-%m-%d') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y-%m-%d')
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</if>
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<if test = 'timeStatType == "月"'>
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SELECT DATE_FORMAT(${xColumn},'%Y-%m') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y-%m')
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</if>
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<if test = 'timeStatType == "年"'>
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SELECT DATE_FORMAT(${xColumn},'%Y') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y')
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</if>
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</select>
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<select id="getFollowByOption2" resultType="java.lang.String"></select>
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<!-- 根据不同的时间统计类型对指定的 x 列和 y 列进行分组统计，统计每组 y 列的总和 -->
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<select id="selectTimeStatValue" resultType="map" >
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<!-- 如果时间统计类型为日 -->
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<if test = 'timeStatType == "日"'>
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<!-- 按日对指定表中的 x 列进行分组，并统计每组 y 列的总和 -->
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SELECT DATE_FORMAT(${xColumn},'%Y-%m-%d') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y-%m-%d')
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</if>
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<!-- 如果时间统计类型为月 -->
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<if test = 'timeStatType == "月"'>
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<!-- 按月对指定表中的 x 列进行分组，并统计每组 y 列的总和 -->
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SELECT DATE_FORMAT(${xColumn},'%Y-%m') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y-%m')
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</if>
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<!-- 如果时间统计类型为年 -->
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<if test = 'timeStatType == "年"'>
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<!-- 按年对指定表中的 x 列进行分组，并统计每组 y 列的总和 -->
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SELECT DATE_FORMAT(${xColumn},'%Y') ${xColumn}, sum(${yColumn}) total FROM ${table} group by DATE_FORMAT(${xColumn},'%Y')
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</if>
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</select>
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<!-- 此查询方法未实现具体的 SQL 逻辑 -->
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<select id="getFollowByOption2" resultType="java.lang.String"></select>
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</mapper>
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</mapper>
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