return new HttpStatusCodeResult(HttpStatusCode.BadRequest);//HttpStatusCode statusCode ?枚举 // HttpStatusCode.BadRequest = 400,public HttpStatusCodeResult(HttpStatusCode statusCode);//带参的构造函数 HttpStatusCodeResult 构造函数名 ?????public HttpStatusCodeResult(HttpStatusCode statusCode) ?????: this(statusCode, (string) null){ ???//调用两个参数的构造函数}//传递400，(string)null;public HttpStatusCodeResult(int statusCode, string statusDescription) ???{ ?????this.StatusCode = statusCode; ?//400 ?????this.StatusDescription = statusDescription; //null 空对象} ???/// <summary>获取 HTTP 状态代码。</summary> ???/// <returns>HTTP 状态代码。</returns> ???public int StatusCode { get; private set; } ???/// <summary>获取 HTTP 状态说明。</summary> ???/// <returns>HTTP 状态说明。</returns> ???public string StatusDescription { get; private set; }//返回400界面或者404界面或其他界面MVC返回400 /404/...
原文地址：https://www.cnblogs.com/enych/p/8252523.html