IWebRequestCreate.Create(Uri) 方法

定义

创建一个 WebRequest 实例。Creates a WebRequest instance.

public:
 System::Net::WebRequest ^ Create(Uri ^ uri);
public System.Net.WebRequest Create (Uri uri);
abstract member Create : Uri -> System.Net.WebRequest
Public Function Create (uri As Uri) As WebRequest

参数

uri
Uri

Web 资源的统一资源标识符 (URI)。The uniform resource identifier (URI) of the Web resource.

返回

WebRequest

一个 WebRequest 实例。A WebRequest instance.

例外

IWebRequestCreate 实例不支持 uri 中指定的请求方案。The request scheme specified in uri is not supported by this IWebRequestCreate instance.

urinulluri is null.

uri 中指定的 URI 不是有效的 URI。The URI specified in uri is not a valid URI.

注解

Create方法必须返回子代的已初始化实例 WebRequest ,该子代能够为协议执行标准请求/响应事务,无需修改任何特定于协议的字段。The Create method must return an initialized instance of the WebRequest descendant that is capable of performing a standard request/response transaction for the protocol without needing any protocol-specific fields modified.

适用于