Dim postData As String Dim byteArray As Byte() Dim objWebRequest As HttpWebRequest Dim newStream As Stream postData = "cell=短信供应商提供信息1&enterpriseId=短信供应商提供信息2&mobile=手机号1,手机号2&message=发送数据测试。。。" objWebRequest = WebRequest.Create("http://xxx.yyy.com.cn/SmsSend.jsp") objWebRequest.Method = "POST" objWebRequest.ContentType = "application/x-www-form-urlencoded" byteArray = System.Text.Encoding.UTF8.GetBytes(postData) objWebRequest.ContentLength = byteArray.Length newStream = objWebRequest.GetRequestStream() newStream.Write(byteArray, 0, byteArray.Length) newStream.Close() '返回数据 Dim response As HttpWebResponse Dim sr As StreamReader Dim textResponse As String response = objWebRequest.GetResponse() sr = New StreamReader(response.GetResponseStream(), System.Text.Encoding.Default) textResponse = sr.ReadToEnd()