mybatis使用map传递多参数报错：A query was run and no Result Maps were found for the Mapped Statement

在使用mybatis进行多参数传递时，报错：

A query was run and no Result Maps were found for the Mapped Statement 'xx.xx.'.  It's likely that neither a Result Type nor a Result Map was specified.

后来发现，原来是没有指定resultMap或resultType

mybatis中的所有查询，都必须返回resultType或者resultMap的值，否则就会报如上错误的。

到此，问题就解决了。

可是我又好奇了，resultMap怎么使用呢？

这就涉及到多表联查

请看下文！

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