VB net HTTP请求原生
Shared Function AllHttpRequest(ByVal url As String, ByVal verb As String, ByVal postVars As String) As ResultDto Dim resultDto As ResultDto = New ResultDto Dim result As String = Nothing Try Dim req As HttpWebRequest = TryCast(WebRequest.Create(New Uri(url)), HttpWebRequest) req.Method = verb req.ContentType = "application/json; charset=UTF-8" req.Accept = "application/json; charset=UTF-8" req.Headers.Add(String.Format("Authorization: Bearer {0}", AccessToken)) 'OrElse (verb.Equals("GET")) If (verb.Equals("POST")) OrElse (verb.Equals("PUT")) Then Dim content As Byte() = Encoding.UTF8.GetBytes(postVars) req.ContentLength = content.Length Using post As Stream = req.GetRequestStream() post.Write(content, 0, content.Length) End Using End If Using resp As HttpWebResponse = TryCast(req.GetResponse(), HttpWebResponse) Dim reader As New StreamReader(resp.GetResponseStream()) result = reader.ReadToEnd() reader.Close() resultDto.data = result End Using Catch [error] As WebException resultDto.result = False If DirectCast([error].Response, System.Net.HttpWebResponse).StatusDescription = "Forbidden" Then resultDto.message = "访问权限限制 无法访问!" Return resultDto Else End If If [error].Status = WebExceptionStatus.ProtocolError Then Dim reader As New StreamReader([error].Response.GetResponseStream()) result = reader.ReadToEnd() reader.Close() resultDto.message = Http.DisposeError(result) Return resultDto End If resultDto.message = [error].Message End Try Return resultDto End Function