Request method 'GET' not supported org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'GET' not supported

Request method 'GET' not supported org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'GET' not supported
出现这种问题应该是请求方式错误了！
将@PostMapping 改成 @RequestMapping 应该就没问题了