Dots are not allowed in element names, please remove it from UserMapper.xml
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出现这个错误代码,可以说见证了一个糊涂蛋的诞生.字面意思是不能出现符号(.)点,请从UserMapper.xml中删除它...啥意思呢,就是在dao层的xml中,出现了错误的元素,肯定哪里写错了啊.然后我一检查,原来是映射的方法名写成了UserMapper.xml....<select id="**UserMapper.xml**" resultMap="UserAndMessageResultMap"> select a.*,b.* from t_message a left join t_user b on a.uid = b.id </select>各位写代码还是认真再认真吧,出错误根据错误代码或日志仔细找,也会帮助我们很快找到的.阅读全文
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