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這篇文章主要介紹Spring Boot全局統(tǒng)一異常處理器的示例分析,文中介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們一定要看完!
import com.jiusen.exercise.enums.ErrorEnum; import com.jiusen.exercise.exception.BusinessException; import lombok.Getter; import lombok.Setter; /** * @author: Lawson * @date: 2021/5/11 * @description: TODO 統(tǒng)一的返回結(jié)果 */ @Getter @Setter public class AjaxResult { //是否成功 private Boolean success; //狀態(tài)碼 private Integer code; //提示信息 private String msg; //數(shù)據(jù) private Object data; public AjaxResult() { } //自定義返回結(jié)果的構(gòu)造方法 public AjaxResult(Boolean success, Integer code, String msg, Object data) { this.success = success; this.code = code; this.msg = msg; this.data = data; } //自定義異常返回的結(jié)果 public static AjaxResult defineError(BusinessException de) { AjaxResult result = new AjaxResult(); result.setSuccess(false); result.setCode(de.getErrorCode()); result.setMsg(de.getErrorMsg()); result.setData(null); return result; } //其他異常處理方法返回的結(jié)果 public static AjaxResult otherError(ErrorEnum errorEnum){ AjaxResult result = new AjaxResult(); result.setMsg(errorEnum.getErrorMsg()); result.setCode(errorEnum.getErrorCode()); result.setSuccess(false); result.setData(null); return result; } }
import lombok.Getter; import lombok.Setter; /** * @author: Lawson * @date: 2021/5/11 * @description: TODO 類描述 */ @Getter @Setter public class BusinessException extends RuntimeException{ private static final long serialVersionUID = 1L; /** * 錯(cuò)誤狀態(tài)碼 */ protected Integer errorCode; /** * 錯(cuò)誤提示 */ protected String errorMsg; public BusinessException() { } public BusinessException(String message, Integer errorCode, String errorMsg) { super(message); this.errorCode = errorCode; this.errorMsg = errorMsg; } }
** * @author: Lawson * @date: 2021/5/11 * @description: TODO 類描述 */ public enum ErrorEnum { //數(shù)據(jù)操作錯(cuò)誤定義 SUCCESS(200, "成功"), NO_PERMISSION(403, "你無權(quán)訪問"), NO_Auth(401, "未授權(quán),請(qǐng)登錄驗(yàn)證"), NO_FOUND(404, "未找到資源"), INTERNAL_SERVER_ERROR(500, "服務(wù)器異常, 請(qǐng)聯(lián)系管理員!"); /** * 錯(cuò)誤碼 */ private Integer errorCode; /** * 錯(cuò)誤信息 */ private String errorMsg; ErrorEnum(Integer errorCode, String errorMsg) { this.errorCode = errorCode; this.errorMsg = errorMsg; } public Integer getErrorCode() { return errorCode; } public String getErrorMsg() { return errorMsg; } }
import com.jiusen.exercise.enums.ErrorEnum; import com.jiusen.exercise.exception.BusinessException; import com.jiusen.exercise.rest.AjaxResult; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; /** * @author: Lawson * @date: 2021/5/11 * @description: TODO 類描述 */ @RestControllerAdvice public class GlobalExceptionHandler { private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class); /** * 處理自定義異常 * @param e * @return */ @ExceptionHandler(value = BusinessException.class) public AjaxResult bizExceptionHandler(BusinessException e) { log.error(e.getErrorMsg(), e); return AjaxResult.defineError(e); } /** * 處理其它異常 */ @ExceptionHandler(value = Exception.class) public AjaxResult exceptionHandler(Exception e) { log.error(e.getMessage(), e); return AjaxResult.otherError(ErrorEnum.INTERNAL_SERVER_ERROR); } }
import com.jiusen.exercise.enums.ErrorEnum; import com.jiusen.exercise.exception.BusinessException; import com.jiusen.exercise.rest.AjaxResult; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; /** * @author: Lawson * @date: 2021/5/11 * @description: TODO 類描述 */ @RestControllerAdvice public class GlobalExceptionHandler { private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class); /** * 處理自定義異常 * @param e * @return */ @ExceptionHandler(value = BusinessException.class) public AjaxResult bizExceptionHandler(BusinessException e) { log.error(e.getErrorMsg(), e); return AjaxResult.defineError(e); } /** * 處理其它異常 */ @ExceptionHandler(value = Exception.class) public AjaxResult exceptionHandler(Exception e) { log.error(e.getMessage(), e); return AjaxResult.otherError(ErrorEnum.INTERNAL_SERVER_ERROR); } }
springboot一種全新的編程規(guī)范,其設(shè)計(jì)目的是用來簡(jiǎn)化新Spring應(yīng)用的初始搭建以及開發(fā)過程,SpringBoot也是一個(gè)服務(wù)于框架的框架,服務(wù)范圍是簡(jiǎn)化配置文件。
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