java--枚举

public enum HttpCode {
    SUCCESS(200, "操作成功"),//每定义一个枚举项，就相当通过构造函数HttpCode(int code,String message)实例化了一个没有枚举项的普通HttpCode对象
    FAILED(500, "操作失败"),
    VALIDATE_FAILED(404, "参数检验失败"),
    UNAUTHORIZED(401, "暂未登录或token已经过期"),
    FORBIDDEN(403, "没有相关权限"); //枚举项与普通属性和方法要有;号隔开

    private int code;
    private String message;
　　
　　//私有的构造函数
    HttpCode(int code, String message) {
        this.code = code;
        this.message = message;
    }

    public int getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }
}

@RequestMapping("/login/login")
    public Object login(@RequestParam String phone) throws Exception {
        String code=HttpCode.SUCCESS.getMessage(); //获取到code字段的值
        return code;
    }