SpringBoot处理全局统一异常的实现

@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");

  }
}