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  • 动态SQL 示例

    <select id="getShopIdList" resultType="java.lang.String" parameterType="java.lang.String">
    <choose>
    <when test="shopTypeFlag != null and shopTypeFlag != ''">
    <choose>
    <when test="shopTypeFlag == '0'.toString()">
    SELECT DISTINCT CS_DBID FROM GOODS_INFO_APPROVE_RECORDER
    </when>
    <when test="shopTypeFlag == '1'.toString()">
    SELECT DISTINCT CS_DBID FROM FOUR_NEW_GOODS_APPROVE_RECORDER
    </when>
    <when test="shopTypeFlag != '0'.toString() and shopTypeFlag != '1'.toString()">
    SELECT DISTINCT CS_DBID FROM SERVICE_SHELF_APPROVE_RECORDER
    WHERE SS_SERVICE_TYPE_DBID = #{shopTypeFlag}
    </when>
    </choose>
    </when>
    <when test="shopTypeFlag = null or shopTypeFlag = ''">
    SELECT CS_DBID FROM GOODS_INFO_APPROVE_RECORDER
    UNION
    SELECT CS_DBID FROM FOUR_NEW_GOODS_APPROVE_RECORDER
    UNION
    SELECT CS_DBID FROM SERVICE_SHELF_APPROVE_RECORDER
    </when>
    </choose>
    </select>
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    支配树
    线性插值
    PropertiesConfiguration
    ThreadLocal
    Thread
    FastJson
  • 原文地址:https://www.cnblogs.com/gslgb/p/14076451.html
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