using System;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Web;
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namespace BatchService.Framework.Utility
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{
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public class HttpHelper
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{
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public static string PostHttp(string url, string body)
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{
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return PostHttp(url, body, "application/x-www-form-urlencoded");
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}
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//body是要传递的参数,格式"roleId=1&uid=2"
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//post的cotentType填写:
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//"application/x-www-form-urlencoded"
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//soap填写:"text/xml; charset=utf-8"
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public static string PostHttp(string url, string body, string contentType, string token = "")
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{
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LogHelper.Debug(url);
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HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
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httpWebRequest.ContentType = contentType;
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httpWebRequest.Method = "POST";
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DateTime date1 = DateTime.Now;
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httpWebRequest.Timeout = 20000;
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byte[] btBodys = Encoding.UTF8.GetBytes(body);
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httpWebRequest.ContentLength = btBodys.Length;
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httpWebRequest.Headers.Add("Token", token);
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Stream newStream = httpWebRequest.GetRequestStream();
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newStream.Write(btBodys, 0, btBodys.Length);
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newStream.Close();
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HttpWebResponse httpWebResponse;
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DateTime date2 = DateTime.Now;
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try
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{
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httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
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}
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catch (WebException ex)
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{
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LogHelper.Error(ex.ToString());
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httpWebResponse = (HttpWebResponse)ex.Response;
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StreamReader sr = new StreamReader(httpWebResponse.GetResponseStream());
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var strHtml = sr.ReadToEnd();
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LogHelper.Error(strHtml);
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throw ex;
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}
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StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream());
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string responseContent = streamReader.ReadToEnd();
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httpWebResponse.Close();
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streamReader.Close();
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httpWebRequest.Abort();
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httpWebResponse.Close();
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return responseContent;
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}
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public static string GetHttp(string url, HttpContext httpContext)
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{
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string queryString = "?";
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//foreach (string key in httpContext.Request.QueryString.AllKeys)
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//{
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// queryString += key + "=" + httpContext.Request.QueryString[key] + "&";
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//}
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queryString = queryString.Substring(0, queryString.Length - 1);
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HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url + queryString);
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//httpWebRequest.ContentType = "application/json";
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httpWebRequest.Method = "GET";
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httpWebRequest.Timeout = 20000;
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httpWebRequest.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
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string responseContent = "";
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using (WebResponse wr = httpWebRequest.GetResponse())
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{
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Stream stream = wr.GetResponseStream();
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byte[] buf = new byte[1024];
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while (true)
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{
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int len = stream.Read(buf, 0, buf.Length);
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if (len <= 0)//[2011-8-22] 修改len < 0 =》 len <= 0 解决死循环
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break;
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responseContent += Encoding.UTF8.GetString(buf, 0, len);
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}
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}
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//HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
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//StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream());
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//string responseContent = streamReader.ReadToEnd();
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//httpWebResponse.Close();
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//streamReader.Close();
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return responseContent;
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}
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public static MemoryStream GetImage(string url)
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{
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HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
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myRequest.Method = "GET";
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MemoryStream ms = null;
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HttpWebResponse myResponse = null;
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try
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{
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myResponse = (HttpWebResponse)myRequest.GetResponse();
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StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
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Stream stream = myResponse.GetResponseStream();
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#region 保存下载图片
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Byte[] buffer = new Byte[myResponse.ContentLength];
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int offset = 0, actuallyRead = 0;
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do
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{
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actuallyRead = stream.Read(buffer, offset, buffer.Length - offset);
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offset += actuallyRead;
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}
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while (actuallyRead > 0);
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ms = new MemoryStream(buffer);
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byte[] buffurPic = ms.ToArray();
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//System.IO.File.WriteAllBytes(pathName, buffurPic);
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#endregion
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myResponse.Close();
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stream.Close();
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//fileStream.Close();
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}
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//异常请求
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catch (WebException ex)
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{
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LogHelper.Error(ex.ToString());
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}
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return ms;
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}
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public static string GetIPAddress()
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{
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if (HttpContext.Current == null)
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{
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return "";
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}
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string userHostAddress = HttpContext.Current.Request.UserHostAddress;
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if (string.IsNullOrEmpty(userHostAddress))
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{
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userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
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}
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//最后判断获取是否成功，并检查IP地址的格式（检查其格式非常重要）
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if (!string.IsNullOrEmpty(userHostAddress) && IsIP(userHostAddress))
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{
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return userHostAddress;
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}
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return "127.0.0.1";
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}
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/// <summary>
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/// 检查IP地址格式
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/// </summary>
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/// <param name="ip"></param>
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/// <returns></returns>
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public static bool IsIP(string ip)
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{
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return System.Text.RegularExpressions.Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
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}
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}
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}
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