对于Controller的异常处理，分为两种，一种是对已知的异常处理，一种是未知的异常处理
1、定义自定义异常类
/**
* @author hzc
*
*/
public class UserNotExitException extends RuntimeException {
/**
*
*/
private static final long serialVersionUID = -6271509017751433865L;
private String id;
public UserNotExitException(String id) {
super("user not exit");
this.setId(id);
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}
2、使用@ControllerAdvice
import java.util.HashMap;
import java.util.Map;
import org.springframework.http.HttpStatus;
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 com.maple.exception.UserNotExitException;
@ControllerAdvice
public class ControllerExceptionHandle {
@ExceptionHandler(UserNotExitException.class)
@ResponseBody
@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
public Map handleUserNotExistException(UserNotExitException ex){
Map result = new HashMap<>();
result.put("id", ex.getId());
result.put("message", ex.getMessage());
return result;
}
}
Original: https://www.cnblogs.com/maple92/p/10781056.html
Author: Topze
Title: Spring 对Controller异常的统一处理
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