Springboot统一异常处理(@ControllerAdvice)

 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.ResponseStatus;

 import javax.servlet.http.HttpServletRequest;
 import java.util.*;

 /**
  * 统一异常拦截处理器
  */
 @ControllerAdvice
 public class AppExceptionHandler {

     @ExceptionHandler(Exception.class)
     @ResponseBody
     @ResponseStatus
     public String handlerError(HttpServletRequest req, Exception e) {
         String result = "";
         result = "调用接口失败,请联系管理员";
         return result;
     }
 }