Spring Boot处理全局统一异常的两种方法与区别

@Slf4j
@ControllerAdvice
public class GlobalExceptionHandler {

 @ResponseBody
 @ExceptionHandler(NullPointerException.class)
 public BaseResult globalException(HttpServletResponse response,NullPointerException ex){


 log.info("GlobalExceptionHandler...");
log.info("错误代码：" + response.getStatus());
BaseResult result = new WebResult(WebResult.RESULT_FAIL,"request error:"+response.getStatus()
     ,"GlobalExceptionHandler:"+ex.getMessage());
 return result;
}

}

@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Component
public @interface ControllerAdvice {
 @AliasFor("basePackages")
 String[] value() default {};

 @AliasFor("value")
 String[] basePackages() default {};

 Class<?>[] basePackageClasses() default {};

 Class<?>[] assignableTypes() default {};

 Class<? extends Annotation>[] annotations() default {};
}

@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface ExceptionHandler {
 Class<? extends Throwable>[] value() default {};
}

@Slf4j
@RestController
public class HttpErrorController implements ErrorController {

 private final static String ERROR_PATH = "/error";

 @ResponseBody
 @RequestMapping(path = ERROR_PATH )
 public BaseResult error(HttpServletRequest request, HttpServletResponse response){
 log.info("访问/error" + " 错误代码：" + response.getStatus());
 BaseResult result = new WebResult(WebResult.RESULT_FAIL,"HttpErrorController error:"+response.getStatus());
return result;
 }
 @Override
 public String getErrorPath() {
 return ERROR_PATH;
 }
}

package com.microblog.common.result;

import java.io.Serializable;


public class BaseResult implements Serializable {

 private static final long serialVersionUID = 1L;

 public static final int RESULT_FAIL = 0;
 public static final int RESULT_SUCCESS = 1;

 //返回代码
 private Integer code;

 //返回消息
 private String message;

 //返回对象
 private Object data;

 public BaseResult(Integer code, String message) {
  this.code = code;
  this.message = message;
 }

 public BaseResult(Integer code, String message, Object object) {
  this.code = code;
  this.message = message;
  this.data = object;
 }


 public Integer getCode() {
  return code;
 }

 public void setCode(Integer code) {
  this.code = code;
 }

 public String getMessage() {
  return message;
 }

 public void setMessage(String message) {
  this.message = message;
 }

 public Object getData() {
  return data;
 }

 public void setData(Object data) {
  this.data = data;
 }
}

@Slf4j
@RestController
@RequestMapping("/user")
public class TestController {

 @RequestMapping("/info1")
 public String test(){
  log.info("/user/info1");

  throw new NullPointerException("TestController have exception");

 }
}

{"code":0,"message":"HttpErrorController error:404","data":null}

{"code":0,"message":"request error:200","data":"GlobalExceptionHandler:TestController have exception"}