关于IDEA中@Autowired 注解报错

• 例如鼠标放上去会报错如下:

  Could not autowire. No beans of 'StudentMapper' type found. less... (Ctrl+F1) 
  Inspection info:Checks autowiring problems in a bean class.

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• 解决方法如下:

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• 以后都生效设置:

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