public static TRequest SetHost<TRequest>(
	this TRequest request,
	string host
)
where TRequest : HttpRequest
<ExtensionAttribute>
Public Shared Function SetHost(Of TRequest As HttpRequest) ( 
	request As TRequest,
	host As String
) As TRequest[<ExtensionAttribute>]
static member SetHost : 
        request : 'TRequest * 
        host : string -> 'TRequest  when 'TRequest : HttpRequest[缺少 "M:TouchSocket.Http.HttpExtensions.SetHost``1(``0,System.String)" 的 <typeparam name="TRequest"/> 文档]