# Format `Get|Let {WebFormat}` 为`WebRequest`设置`RequestFormat`，`ResponseFormat`以及`Content-Type`和`Accept`标头 ~~~ Dim Request As New WebRequest Request.Format = WebFormat.Json '// -> Request.RequestFormat = WebFormat.Json '// Request.ResponseFormat = WebFormat.Json '// Content-Type: application/json '// Accept: application/json ~~~