mybatis报错：A query was run and no Result Maps were found for the Mapped Statement

最新推荐文章于 2023-05-16 15:19:03 发布
最新推荐文章于 2023-05-16 15:19:03 发布
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分类专栏： # Mybatis/Mybatis-plus 文章标签： 经验分享 idea
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本文详细介绍了在使用MyBatis时遇到的'AquerywasrunandnoResultMapswerefoundfortheMappedStatement'错误的排查和解决过程。错误主要原因是查询语句缺少返回参数类型设置。解决方法是在mapper.xml配置文件中为对应的查询语句添加正确的返回类型。确保在执行增删改查操作时，特别是select语句，必须指定返回值类型。

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mybatis报错：A query was run and no Result Maps were found for the Mapped Statement

错误描述

在这里插入图片描述

排查原因

从错误描述上可以看出，是查询语句在执行，但是没有返回参数类型，错误定位以后，对mapper.xml配置文件中的对应语句加上返回参数类型就可以了。

解决问题

mybatis的配置文件中做的修改
在这里插入图片描述

总结

一般进行的增删改查几个操作中，查询语句select一定要有返回值类型的设置，及时写上

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