.NET POST提交数据和接收数据 用url传参方式

//1、对象提交，字典方式        //接口方：public ActionResult GetArry(Car model)        public void PostResponse()        {            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://demo2.cm-force.com/appapi/apiaccount/aa");            Encoding encoding = Encoding.UTF8;            //string param = "UserName=123&UserPwd=123";//post 参数            Car c = new Car();            c.Passed = 1;//true            c.LinkTel = "小测试";            c.CarBrand = "11111111";            c.Loads = 101;            c.UserId = 50;            c.SortId = 1;            c.CarArea = "11111111";            c.CarStateId = 1;            c.LinkMan = "1111111111";            c.Sfzh = "141124188789786031";            c.CarNum = "ABCDE1";            c.CarLength = 100;            c.DrivingNum = "11111111";            c.State = 1;            c.CarId = 0;            c.CarOwner = "111111";            c.CarAreaId = 1;            c.CarTypeId = 1;            c.AddTime = DateTime.Now;            IDictionary<string, string> para = new Dictionary<string, string>();            para.Add("LinkTel", "第二次测试");            para.Add("CarBrand", "1111");            para.Add("Loads", "101");            para.Add("UserId", "50");            para.Add("SortId", "1");            StringBuilder buffer = new StringBuilder();            int i = 0;            foreach (string key in para.Keys)            {                if (i > 0)                {                    buffer.AppendFormat("&{0}={1}", key, para[key]);                }                else                {                    buffer.AppendFormat("{0}={1}", key, para[key]);                }                i++;            }            //JavaScriptSerializer ser = new JavaScriptSerializer();           //string param = ser.Serialize(c);            byte[] bs = Encoding.UTF8.GetBytes(buffer.ToString());            string responseData = String.Empty;            req.Method = "POST";            //req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";            req.ContentLength = bs.Length;            using (Stream reqStream = req.GetRequestStream())            {                reqStream.Write(bs, 0, bs.Length);                reqStream.Close();            }            using (HttpWebResponse response = (HttpWebResponse)req.GetResponse())            {                using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))                {                    responseData = reader.ReadToEnd().ToString();                }                Response.Write(responseData);            }        }        //2、链接方式提交数据        //接口方：public ActionResult GetArry(int UserId,string GroupName)        //提交参数：string param = "UserId=737&GroupName=一杯美酒";//post 参数        public void PostMethd()        {            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://demo2.cm-force.com/appapi/apiaccount/GetGroupsByUserId");            Encoding encoding = Encoding.UTF8;            string param = "userid=735";//post 参数            byte[] bs = Encoding.UTF8.GetBytes(param.ToString());          //byte[] bs = new byte[]{};            string responseData = String.Empty;            req.Method = "POST";            req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";            req.ContentLength = bs.Length;            //return;            using (Stream reqStream = req.GetRequestStream())            {                reqStream.Write(bs, 0, bs.Length);                reqStream.Close();            }            using (HttpWebResponse response = (HttpWebResponse)req.GetResponse())            {                using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))                {                    responseData = reader.ReadToEnd().ToString();                }                Response.Write(responseData);            }        }        //3、提交数组        //接口方：public ActionResult GetArry(string[] arrpost)        //提交参数：string param = "arrpost=737&arrpost=一杯美酒";//post 参数        public void PostArrMethd()        {            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://localhost:7242/appapi/apiaccount/GetArry");            Encoding encoding = Encoding.UTF8;            string param = "arrpost=737&arrpost=一杯美酒";//post 参数            byte[] bs = Encoding.UTF8.GetBytes(param.ToString());            //byte[] bs = new byte[]{};            string responseData = String.Empty;            req.Method = "POST";            req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";            req.ContentLength = bs.Length;            //return;            using (Stream reqStream = req.GetRequestStream())            {                reqStream.Write(bs, 0, bs.Length);                reqStream.Close();            }            using (HttpWebResponse response = (HttpWebResponse)req.GetResponse())            {                using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))                {                    responseData = reader.ReadToEnd().ToString();                }                Response.Write(responseData);            }        }        //4、提交数组对象        //接口方：public ActionResult GetArry(List<Car> arrpost)        /*  对象    public class Dasa    {        public Dasa() { }        private string name;        public string Name        {            get { return name; }            set { name = value; }        }        private int age;        public int Age        {            get { return age; }            set { age = value; }        }    }*/        //提交参数：string param = "arrpost[0].Name=737&arrpost[0].Age=23&arrpost[1].Name=一杯美酒&arrpost[1].Age=25";//post 参数        public void PostArrObjMethd()        {            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://localhost:7242/appapi/apiaccount/GetArry");            Encoding encoding = Encoding.UTF8;            string param = "arrpost[0].Name=737&arrpost[0].Age=23&arrpost[1].Name=一杯美酒&arrpost[1].Age=25";//post 参数            byte[] bs = Encoding.UTF8.GetBytes(param.ToString());            //byte[] bs = new byte[]{};            string responseData = String.Empty;            req.Method = "POST";            req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";            req.ContentLength = bs.Length;            //return;            using (Stream reqStream = req.GetRequestStream())            {                reqStream.Write(bs, 0, bs.Length);                reqStream.Close();            }            using (HttpWebResponse response = (HttpWebResponse)req.GetResponse())            {                using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))                {                    responseData = reader.ReadToEnd().ToString();                }                Response.Write(responseData);            }        }        #region 文件提交                //上传调用方法        public void upImg()        {            NameValueCollection nvc = new NameValueCollection();            nvc.Add("id", "TTR");            nvc.Add("btn-submit-photo", "Upload");            HttpUploadFile("http://demo2.cm-force.com/appapi/apiaccount/AddtUser", @"D:\1.jpg", "file", "image/jpeg", nvc);        }        //5、提交文件        public string HttpUploadFile(string url, string file, string paramName, string contentType, NameValueCollection nvc)        {            string result = string.Empty;            string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");            byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");            HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);            wr.ContentType = "multipart/form-data; boundary=" + boundary;            wr.Method = "POST";            wr.KeepAlive = true;            wr.Timeout = 300000;            wr.Credentials = System.Net.CredentialCache.DefaultCredentials;            Stream rs = wr.GetRequestStream();            string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";            foreach (string key in nvc.Keys)            {                rs.Write(boundarybytes, 0, boundarybytes.Length);                string formitem = string.Format(formdataTemplate, key, nvc[key]);                byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);                rs.Write(formitembytes, 0, formitembytes.Length);            }            rs.Write(boundarybytes, 0, boundarybytes.Length);            string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n";            string header = string.Format(headerTemplate, paramName, file, contentType);            byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);            rs.Write(headerbytes, 0, headerbytes.Length);            FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read);            byte[] buffer = new byte[4096];            int bytesRead = 0;            while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)            {                rs.Write(buffer, 0, bytesRead);            }            fileStream.Close();            byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");            rs.Write(trailer, 0, trailer.Length);            rs.Close();            WebResponse wresp = null;            try            {//"路径：e:\\wwwroot\\wuliu\\wwwroot\\appapi\\apiaccount\\UploadFiles\\D:\\1.jpg"                //http://stackoverflow.com/questions/566462/upload-files-with-httpwebrequest-multipart-form-data/1924810#1924810                wresp = wr.GetResponse();                Stream stream2 = wresp.GetResponseStream();                StreamReader reader2 = new StreamReader(stream2);                result = reader2.ReadToEnd();            }            catch (Exception ex)            {                if (wresp != null)                {                    wresp.Close();                    wresp = null;                }            }            finally            {                wr = null;            }            return result;        }        #endregion        #endregion