自定义枚举类
@Getter
public enum ReturnCodeEnum {RC999("999","操作XXX失败"),RC200("200","success"),RC201("201","服务开启降级保护,请稍后再试!"),RC202("202","热点参数限流,请稍后再试!"),RC203("203","系统规则不满足要求,请稍后再试!"),RC204("204","授权规则不通过,请稍后再试!"),RC403("403","无访问权限,请联系管理员授予权限"),RC401("401","匿名用户访问无权限资源时的异常"),RC404("404","404页面找不到的异常"),RC500("500","系统异常,请稍后重试"),RC375("375","数学运算异常,请稍后重试"),INVALID_TOKEN("2001","访问令牌不合法"),ACCESS_DENIED("2003","没有权限访问该资源"),CLIENT_AUTHENTICATION_FAILED("1001","客户端认证失败"),USERNAME_OR_PASSWORD_ERROR("1002","用户名或密码错误"),BUSINESS_ERROR("1004","业务逻辑异常"),UNSUPPORTED_GRANT_TYPE("1003","不支持的认证模式");private final String code;private final String message;ReturnCodeEnum(String code, String message) {this.code = code;this.message = message;}public static ReturnCodeEnum getReturnCodeEnum(String code) {for (ReturnCodeEnum element : ReturnCodeEnum.values()) {if (element.getCode().equalsIgnoreCase(code)) {return element;}}return null;}public static ReturnCodeEnum getReturnCodeEnumByStream(String code) {return Arrays.stream(ReturnCodeEnum.values()).filter(x -> x.getCode().equalsIgnoreCase(code)).findFirst().orElse(null);}
}
统一定义返回值对象
@Data
@Accessors(chain = true)
public class ResultData<T> {private String code;private String message;private T data;private long timestamp ;public ResultData (){this.timestamp = System.currentTimeMillis();}public static <T> ResultData<T> success(T data) {ResultData<T> resultData = new ResultData<>();resultData.setCode(ReturnCodeEnum.RC200.getCode());resultData.setMessage(ReturnCodeEnum.RC200.getMessage());resultData.setData(data);return resultData;}public static <T> ResultData<T> fail(String code, String message) {ResultData<T> resultData = new ResultData<>();resultData.setCode(code);resultData.setMessage(message);resultData.setData(null);return resultData;}}