MyBatis的mapper.xml中判断集合的size

<if test="codeList != null and codeList.size &gt; 0">
    AND code IN 
    <foreach collection="codeList" item="code" open="(" separator=","  close=")">
        #{code}
    </foreach>
</if>

作者:行舟逐梦

出处:http://www.cnblogs.com/liujianwang

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原文地址:https://www.cnblogs.com/liujianwang/p/8981024.html