mybatis 数组报错 There is no getter for property named '__frch_item_0'
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因为sql中要用到 in,查了一下才知道 查询中有用到in的一定要 用foreach才行,否则的话虽然不会报错但是一定查不出数据。
所以我就在bean里面定义了一个Priavte List<String> currUserStr;
...set..(自动生成的set get方法)
...get..
但是发现在
<select id="queryInfo" parameterType="queryCountEntity" resultType="HashMap">
select * from V_BZ_INFO
where user_id in
<if test="currUserStr!=null">
<foreach item="item" index="index" collection="currUserStr" open="(" separator="," close=")">
#{item}
</foreach>
</if>
</select>
一直报
org.apache.ibatis.reflection.ReflectionException: There is no getter for property named '__frch_item_0' in 'class com.ffcs.eda.pojo.sysman.QueryCountEntity'
最后终于发现是#{item}的问题
改成'${item}'问题解决
这里写的不是很详细,顺便推荐一篇文章给你们看http://my.oschina.net/castusz/blog/67828
后来发现用in 的话 #改${}还是可以直接查询的,不用foreach
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