using System; using System.Text; using System.IO; using System.Net; using System.Threading; namespace Common { public class Utils { #region URL请求数据 /// <summary> /// HTTP POST方式请求数据 /// </summary> /// <param name="url">URL.</param> /// <param name="param">POST的数据</param> /// <returns></returns> public static string HttpPost(string url, string param) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; request.Accept = "*/*"; request.Timeout = 15000; request.AllowAutoRedirect = false; StreamWriter requestStream = null; WebResponse response = null; string responseStr = null; try { requestStream = new StreamWriter(request.GetRequestStream()); requestStream.Write(param); requestStream.Close(); response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; requestStream = null; response = null; } return responseStr; } /// <summary> /// HTTP POST方式请求数据 /// </summary> /// <param name="url">URL.</param> /// <param name="param">POST的数据</param> /// <returns></returns> public static string HttpPostJson(string url, string param) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "POST"; request.ContentType = "application/json;charset=UTF-8"; request.Accept = "*/*"; request.Timeout = 30000; request.AllowAutoRedirect = false; StreamWriter requestStream = null; WebResponse response = null; string responseStr = null; try { requestStream = new StreamWriter(request.GetRequestStream()); requestStream.Write(param); requestStream.Close(); response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; requestStream = null; response = null; } return responseStr; } /// <summary> /// HTTP GET方式请求数据. /// </summary> /// <param name="url">URL.</param> /// <returns></returns> public static string HttpsGetWhthoutCertify(string url) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "GET"; //request.ContentType = "application/x-www-form-urlencoded"; request.Accept = "*/*"; request.Timeout = 15000; request.AllowAutoRedirect = false; request.ProtocolVersion = HttpVersion.Version10; WebResponse response = null; string responseStr = null; try { response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; response = null; } return responseStr; } /// <summary> /// HTTP GET方式请求数据. /// </summary> /// <param name="url">URL.</param> /// <returns></returns> public static string HttpGet(string url) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "GET"; //request.ContentType = "application/x-www-form-urlencoded"; request.Accept = "*/*"; request.Timeout = 15000; request.AllowAutoRedirect = false; WebResponse response = null; string responseStr = null; try { response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; response = null; } return responseStr; } #endregion #region 生成订单号 private static object _lock = new object(); /** * 根据当前系统时间加随机序列来生成订单号 * @return 订单号 */ public static string GenerateOutTradeNo() { lock (_lock) { Thread.Sleep(100); Random ran = new Random(Guid.NewGuid().GetHashCode()); return string.Format("{0}{1}", DateTime.Now.ToString("yyyyMMddHHmmssfff"), ran.Next(10000, 99999).ToString()); } } #endregion } }