Mapped Statements collection does not contain value for后面是什么类什么方法之类的

错误原因有几种:

1、mapper.xml中没有加入namespace

2、mapper.xml中的方法和接口mapper的方法不对应

3、mapper.xml没有加入到mybatis-config.xml中(即总的配置文件),例外:配置了mapper文件的包路径的除外

4、mapper.xml文件名和所写的mapper名称不相同。

时间: 2024-10-17 19:01:30

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