springboot搞定全局自定义异常

public interface BaseErrorInfoInterface {  /** 错误码 */ String getCode(); /** 错误描述*/ String getMsg();}

此代码由Java架构师必看网-架构君整理
import lombok.Getter;@Getterpublic enum ErrorCodeAndMsg implements BaseErrorInfoInterface{  SUCCESS("200", "成功!"), BODY_NOT_MATCH("400","请求的数据格式不符!"), SIGNATURE_NOT_MATCH("401","请求的数字签名不匹配!"), NOT_FOUND("404", "未找到该资源!"), INTERNAL_SERVER_ERROR("500", "服务器内部错误!"), SERVER_BUSY("503","服务器正忙，请稍后再试!"), STUDENG_NULL("0003", "学号不能为空"); private String code; private String msg; ErrorCodeAndMsg(String code, String msg) {  this.code = code; this.msg = msg; } public String getCode() {  return code; } public String getMsg() {  return msg; }}

import lombok.Getter;/** * 统一异常捕获类 * Created by Tiger on 2018/10/9. */@Getterpublic class StudentException extends RuntimeException{  private String code; private String msg; public StudentException() {  super(); } public StudentException(BaseErrorInfoInterface errorInfoInterface) {  super(errorInfoInterface.getCode()); this.code = errorInfoInterface.getCode(); this.msg = errorInfoInterface.getMsg(); } public StudentException(BaseErrorInfoInterface errorInfoInterface, Throwable cause) {  super(errorInfoInterface.getCode(), cause); this.code = errorInfoInterface.getCode(); this.msg = errorInfoInterface.getMsg(); } public StudentException(String errorMsg) {  super(errorMsg); this.msg = errorMsg; } public StudentException(String errorCode, String errorMsg) {  super(errorCode); this.code = errorCode; this.msg = errorMsg; } public StudentException(String errorCode, String errorMsg, Throwable cause) {  super(errorCode, cause); this.code = errorCode; this.msg = errorMsg; } public String getErrorCode() {  return code; } public void setErrorCode(String errorCode) {  this.code = errorCode; } public String getErrorMsg() {  return msg; } public void setErrorMsg(String errorMsg) {  this.msg = errorMsg; } public String getMessage() {  return msg; } @Override public Throwable fillInStackTrace() {  return this; }}

此代码由Java架构师必看网-架构君整理
public class ResultBody {  /** * 响应代码 */ private String code; /** * 响应消息 */ private String message; /** * 响应结果 */ private Object result; public ResultBody() {  } public String getCode() {  return code; } public void setCode(String code) {  this.code = code; } public String getMessage() {  return message; } public void setMessage(String message) {  this.message = message; } public Object getResult() {  return result; } public void setResult(Object result) {  this.result = result; } /** * 成功 * * @return */ public static ResultBody success() {  return success(null); } /** * 成功 * @param data * @return */ public static ResultBody success(Object data) {  ResultBody rb = new ResultBody(); rb.setCode(ErrorCodeAndMsg.SUCCESS.getCode()); rb.setMessage(ErrorCodeAndMsg.SUCCESS.getMsg()); rb.setResult(data); return rb; } /** * 失败 */ public static ResultBody error(BaseErrorInfoInterface errorInfo) {  ResultBody rb = new ResultBody(); rb.setCode(errorInfo.getCode()); rb.setMessage(errorInfo.getMsg()); rb.setResult(null); return rb; } /** * 失败 */ public static ResultBody error(String code, String message) {  ResultBody rb = new ResultBody(); rb.setCode(code); rb.setMessage(message); rb.setResult(null); return rb; } /** * 失败 */ public static ResultBody error( String message) {  ResultBody rb = new ResultBody(); rb.setCode("-1"); rb.setMessage(message); rb.setResult(null); return rb; } /*@Override public String toString() { return JSONObject.toJSONString(this); }*/}

@ControllerAdvicepublic class GlobalExceptionHandler { private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);/** * 处理自定义的业务异常 * @param req * @param e * @return */ @ExceptionHandler(value = BizException.class) @ResponseBody public ResultBody bizExceptionHandler(HttpServletRequest req, BizException e){ 	logger.error("发生业务异常！原因是：{}",e.getErrorMsg()); return ResultBody.error(e.getErrorCode(),e.getErrorMsg()); }/** * 处理空指针的异常 * @param req * @param e * @return */@ExceptionHandler(value =NullPointerException.class)@ResponseBodypublic ResultBody exceptionHandler(HttpServletRequest req, NullPointerException e){ logger.error("发生空指针异常！原因是:",e);return ResultBody.error(CommonEnum.BODY_NOT_MATCH);} /** * 处理其他异常 * @param req * @param e * @return */ @ExceptionHandler(value =Exception.class)@ResponseBodypublic ResultBody exceptionHandler(HttpServletRequest req, Exception e){ 	logger.error("未知异常！原因是:",e); return ResultBody.error(CommonEnum.INTERNAL_SERVER_ERROR); }}