自定义的HTTP状态码

@Getter
public enum CustomHttpStatus {
    /**
     * 用户相关的错误
     */
    USER_NOT_LOGGED_IN(40101, "用户未登录"),
    USER_LOGIN_EXPIRED(40102, "用户登录已过期"),
    USER_NO_PERMISSION(40301, "用户无权限访问资源"),
    /**
     * 数据验证错误
     */
    REQUEST_PARAM_INVALID(40001, "请求参数格式错误"),
    REQUEST_MISSING_PARAM(40002, "请求缺少必要参数"),
    DATA_VALIDATION_FAILED(40003, "数据校验失败"),
    /**
     * 业务逻辑错误
     */
    RESOURCE_ALREADY_EXISTS(40901, "资源已存在"),
    RESOURCE_CONFLICT(40902, "资源冲突，无法进行操作"),
    OPERATION_VIOLATED_RULE(40903, "操作违反业务规则"),
    /**
     * 服务器内部错误
     */
    DATABASE_CONNECTION_FAILED(50001, "数据库连接失败"),
    EXTERNAL_SERVICE_FAILED(50002, "外部服务调用失败"),
    INTERNAL_SERVER_ERROR(50003, "服务器内部未知错误"),
    /**
     * 功能不可用
     */
    FUNCTION_UNDER_DEVELOPMENT(50101, "功能正在开发中"),
    SERVICE_UNAVAILABLE(50301, "服务暂时不可用"),

    /**
     * 支付相关的错误
     */
    PAYMENT_FAILED(40201, "支付失败"),
    PAYMENT_AMOUNT_INCORRECT(40202, "支付金额不正确"),
    PAYMENT_TIMEOUT(40203, "支付超时"),

    /**
     * 文件操作错误
     */
    UNSUPPORTED_FILE_TYPE(41501, "不支持的文件类型"),
    FILE_UPLOAD_FAILED(41502, "文件上传失败"),
    FILE_DOWNLOAD_FAILED(41503, "文件下载失败"),

    ;
    private final int code;
    private final String depiction;

    CustomHttpStatus(int code, String depiction) {
        this.code = code;
        this.depiction = depiction;
    }

}