SpringBoot初次使用問題彙總

1.Invalid bound statement (not found): com.test.testdemo.mapper.UserMapper.Sel報錯 解決方案： 1.查看Mapper.xml指向路徑是否正確   2.查看yml文件中的路徑是否正確 2.Optional int parameter 'id' is present but cannot be translated into

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