C#使用GET、POST请求获取结果 （二）

C#使用GET、POST请求获取结果。

创建HttpWebHelper.cs类

public class HttpWebHelper{    #region Post方式请求    public static T Post<T>(string url, string data, Dictionary<string, string> Headers = null)    {        byte[] bytes = Encoding.UTF8.GetBytes(data);        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);        //加入头信息        if (Headers != null)        {            foreach (KeyValuePair<string, string> item in Headers)            {                request.Headers.Add(item.Key, item.Value);            }        }        //写数据        request.Method = "POST";        request.ContentLength = bytes.Length;        request.ContentType = "application/json";        Stream reqstream = request.GetRequestStream();        reqstream.Write(bytes, 0, bytes.Length);        //读数据        request.Timeout = 300000;        request.Headers.Set("Pragma", "no-cache");        HttpWebResponse response = (HttpWebResponse)request.GetResponse();        Stream streamReceive = response.GetResponseStream();        StreamReader streamReader = new StreamReader(streamReceive, Encoding.UTF8);        string strResult = streamReader.ReadToEnd();        //关闭流        reqstream.Close();        streamReader.Close();        streamReceive.Close();        request.Abort();        response.Close();        return JsonConvert.DeserializeObject<T>(strResult);    }    #endregion    #region Get方式请求    public static T Get<T>(string url, Dictionary<string, string> Headers = null)    {        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);        //加入头信息        if (Headers != null)        {            foreach (KeyValuePair<string, string> item in Headers)            {                request.Headers.Add(item.Key, item.Value);            }        }        request.Method = "GET";        request.ContentType = "application/json";        request.Timeout = 300000;        request.Headers.Set("Pragma", "no-cache");        HttpWebResponse response = (HttpWebResponse)request.GetResponse();        Stream streamReceive = response.GetResponseStream();        StreamReader streamReader = new StreamReader(streamReceive, Encoding.UTF8);        string strResult = streamReader.ReadToEnd();        streamReader.Close();        streamReceive.Close();        request.Abort();        response.Close();        return JsonConvert.DeserializeObject<T>(strResult);    }    public static string Get(string url, Dictionary<string, string> Headers = null)    {        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);        //加入头信息        if (Headers != null)        {            foreach (KeyValuePair<string, string> item in Headers)            {                request.Headers.Add(item.Key, item.Value);            }        }        request.Method = "GET";        request.ContentType = "application/json";        request.Timeout = 300000;        request.Headers.Set("Pragma", "no-cache");        HttpWebResponse response = (HttpWebResponse)request.GetResponse();        Stream streamReceive = response.GetResponseStream();        StreamReader streamReader = new StreamReader(streamReceive, Encoding.UTF8);        string strResult = streamReader.ReadToEnd();        streamReader.Close();        streamReceive.Close();        request.Abort();        response.Close();        return strResult;    }    #endregion    #region 获取时间戳    /// <summary>      /// 获取时间戳      /// </summary>      /// <returns></returns>      public static string GetTimeStamp()    {        TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);        return Convert.ToInt64(ts.TotalMilliseconds).ToString();    }    #endregion}