C#发送http请求代码

C#发送http请求代码

public string HttpGet(string Url, string postDataStr)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
            request.Method = "GET";
            request.ContentType = "text/html;charset=UTF-8";

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();
            return retString;
        }

public static string HttpPost(string url, string postDataStr)
        {
            string strReturn;
            //在转换字节时指定编码格式
            byte[] byteData = Encoding.UTF8.GetBytes(postDataStr);

            //配置Http协议头
            HttpWebRequest resquest = (HttpWebRequest)WebRequest.Create(url);
            resquest.Method = "POST";
            resquest.ContentType = "application/x-www-form-urlencoded";
            resquest.ContentLength = byteData.Length;

            //发送数据
            using (Stream resquestStream = resquest.GetRequestStream())
            {
                resquestStream.Write(byteData, 0, byteData.Length);
            }

            //接受并解析信息
            using (WebResponse response = resquest.GetResponse())
            {
                //解决乱码：utf-8 + streamreader.readToEnd
                StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
                strReturn = reader.ReadToEnd();
                reader.Close();
                reader.Dispose();
            }

            return strReturn;
        }

窗体拖拽：

using System.Runtime.InteropServices;

#region 无边框拖动效果
        [DllImport("user32.dll")]//拖动无窗体的控件
        public static extern bool ReleaseCapture();
        [DllImport("user32.dll")]
        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
        public const int WM_SYSCOMMAND = 0x0112;
        public const int SC_MOVE = 0xF010;
        public const int HTCAPTION = 0x0002;*/

        private void Start_MouseDown(object sender, MouseEventArgs e)
        {
            //拖动窗体
            ReleaseCapture();
            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
        }
        #endregion