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  • mybatis xml中使用where 条件中的in方法

     <select id="queryCount" resultType="cn.bnsr.edu_yun.view.FileView">
          SELECT sum(download_times) as downloadNum ,sum(click_times) as browseNum
          FROM  file_property 
        <if test="_parameter != null">
          WHERE id in 
             <foreach item="item" index="index" collection="list" open="(" separator="," close=")">  
                 #{item}  
               </foreach>  
          </if>
      </select>

    如上方法使用in,

      注意,传入的参数是List<Long> ,如果传入的是array 则需要修改红色部分定义为 collection="array" 

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  • 原文地址:https://www.cnblogs.com/start-fxw/p/5780225.html
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