<?xml version="1.0" encoding="UTF-8" ?> 
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<!DOCTYPE mapper 
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        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
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        "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> 
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<mapper namespace="com.ruoyi.project.mapper.ServiceTasknumMapper"> 
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    <resultMap type="com.ruoyi.project.domain.ServiceTasknum" id="ServiceTasknumResult"> 
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        <result property="id" column="id"/> 
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        <result property="apptype" column="apptype"/> 
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        <result property="yearmonth" column="yearmonth"/> 
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        <result property="serialnumber" column="serialnumber"/> 
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    </resultMap> 
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    <sql id="selectServiceTasknumVo"> 
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        select id, apptype, yearmonth, serialnumber 
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        from service_tasknum 
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    </sql> 
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    <select id="selectServiceTasknumList" parameterType="com.ruoyi.project.domain.ServiceTasknum" 
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            resultMap="ServiceTasknumResult"> 
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        <include refid="selectServiceTasknumVo"/> 
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        <where> 
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            <if test="apptype != null  and apptype != ''">and apptype = #{apptype}</if> 
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            <if test="yearmonth != null  and yearmonth != ''">and yearmonth = #{yearmonth}</if> 
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            <if test="serialnumber != null ">and serialnumber = #{serialnumber}</if> 
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        </where> 
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    </select> 
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</mapper> 
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