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272
common/Tnb.CollectiveOAuth/Utils/HttpUtils.cs
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272
common/Tnb.CollectiveOAuth/Utils/HttpUtils.cs
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using System.Collections.Specialized;
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using System.Net;
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using System.Text;
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namespace JNPF.Extras.CollectiveOAuth.Utils;
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public class HttpUtils
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{
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/// <summary>
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/// 模拟Form表单post请求.
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/// </summary>
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/// <param name="postUrl"></param>
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/// <param name="postData"></param>
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/// <param name="header"></param>
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/// <param name="charset"></param>
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/// <returns></returns>
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public static string RequestFormPost(string postUrl, string postData = null, Dictionary<string, object> header = null, string charset = null)
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{
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System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; // 加上这一句
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if (string.IsNullOrWhiteSpace(charset))
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charset = "UTF-8";
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if (string.IsNullOrWhiteSpace(postData))
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postData = string.Empty;
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Stream outstream = null;
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Stream instream = null;
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StreamReader sr = null;
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HttpWebResponse response = null;
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HttpWebRequest request = null;
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Encoding encoding = System.Text.Encoding.GetEncoding(charset);
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byte[] data = encoding.GetBytes(postData);
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// 准备请求...
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try
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{
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// 设置参数
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request = WebRequest.Create(postUrl) as HttpWebRequest;
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CookieContainer cookieContainer = new CookieContainer();
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request.CookieContainer = cookieContainer;
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request.AllowAutoRedirect = true;
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request.Method = "POST";
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request.ContentType = "application/x-www-form-urlencoded;charset=" + charset.ToLower();
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request.ContentLength = data.Length;
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ComeSetRequestHeader(request, header);
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outstream = request.GetRequestStream();
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outstream.Write(data, 0, data.Length);
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outstream.Close();
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// 发送请求并获取相应回应数据
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response = request.GetResponse() as HttpWebResponse;
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// 直到request.GetResponse()程序才开始向目标网页发送Post请求
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instream = response.GetResponseStream();
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sr = new StreamReader(instream, encoding);
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// 返回结果网页（html）代码
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string content = sr.ReadToEnd();
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string err = string.Empty;
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return content;
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}
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catch (Exception ex)
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{
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string err = ex.Message;
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return string.Empty;
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}
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}
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/// <summary>
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/// 普通post请求.
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/// </summary>
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/// <param name="postUrl"></param>
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/// <param name="postData"></param>
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/// <param name="header"></param>
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/// <param name="charset"></param>
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/// <returns></returns>
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public static string RequestPost(string postUrl, string postData = null, Dictionary<string, object> header = null, string charset = null)
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{
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System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; // 加上这一句
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if (string.IsNullOrWhiteSpace(charset))
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{
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charset = "UTF-8";
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}
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if (string.IsNullOrWhiteSpace(postData))
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{
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postData = string.Empty;
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}
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Stream outstream = null;
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Stream instream = null;
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StreamReader sr = null;
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HttpWebResponse response = null;
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HttpWebRequest request = null;
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Encoding encoding = System.Text.Encoding.GetEncoding(charset);
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byte[] data = encoding.GetBytes(postData);
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// 准备请求...
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try
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{
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// 设置参数
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request = WebRequest.Create(postUrl) as HttpWebRequest;
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CookieContainer cookieContainer = new CookieContainer();
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request.CookieContainer = cookieContainer;
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request.AllowAutoRedirect = true;
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request.Method = "POST";
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request.ContentType = "application/json;charset=" + charset.ToLower();
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request.ContentLength = data.Length;
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ComeSetRequestHeader(request, header);
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outstream = request.GetRequestStream();
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outstream.Write(data, 0, data.Length);
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outstream.Close();
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// 发送请求并获取相应回应数据
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response = request.GetResponse() as HttpWebResponse;
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// 直到request.GetResponse()程序才开始向目标网页发送Post请求
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instream = response.GetResponseStream();
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sr = new StreamReader(instream, encoding);
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// 返回结果网页（html）代码
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string content = sr.ReadToEnd();
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string err = string.Empty;
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return content;
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}
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catch (Exception ex)
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{
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string err = ex.Message;
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return string.Empty;
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}
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}
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/// <summary>
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/// 有一些请求比较特殊，需要标记Accept为application/json.
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/// </summary>
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/// <param name="url">地址.</param>
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/// <returns></returns>
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public static string RequestJsonGet(string url, Dictionary<string, object> header = null)
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{
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StringBuilder builder = new StringBuilder();
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builder.Append(url);
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(builder.ToString());
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request.UserAgent = "Foo";
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request.Accept = "application/json";
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ComeSetRequestHeader(request, header);
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return ComeRequestGet(request);
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}
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/// <summary>
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/// 发送Get请求.
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/// </summary>
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/// <param name="url">地址.</param>
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/// <param name="header">请求参数定义.</param>
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public static string RequestGet(string url, Dictionary<string, object> header = null)
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{
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StringBuilder builder = new StringBuilder();
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builder.Append(url);
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(builder.ToString());
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request.ContentType = "application/json;charset=utf-8;";
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ComeSetRequestHeader(request, header);
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return ComeRequestGet(request);
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}
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/// <summary>
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/// 通用的设置RequestHeader方法.
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/// </summary>
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/// <param name="request"></param>
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/// <param name="header"></param>
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public static void ComeSetRequestHeader(HttpWebRequest request, Dictionary<string, object> header = null)
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{
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if (header != null && header.Count > 0)
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{
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foreach (var item in header)
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{
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switch (item.Key.ToUpper())
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{
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case "HOST":
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request.Host = Convert.ToString(item.Value);
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break;
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case "CONTENT-TYPE":
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request.ContentType = Convert.ToString(item.Value);
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break;
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case "CONNECTION":
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SetSpecialHeaderValue(request.Headers, item.Key, Convert.ToString(item.Value));
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break;
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default:
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request.Headers.Add(item.Key, Convert.ToString(item.Value));
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break;
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}
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}
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}
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}
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/// <summary>
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/// 设置特殊的header.
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/// </summary>
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/// <param name="header"></param>
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/// <param name="name"></param>
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/// <param name="value"></param>
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public static void SetSpecialHeaderValue(WebHeaderCollection header, string name, string value)
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{
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var property = typeof(WebHeaderCollection).GetProperty("InnerCollection",
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System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
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if (property != null)
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{
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var collection = property.GetValue(header, null) as NameValueCollection;
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collection[name] = value;
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}
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}
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/// <summary>
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/// 通用的get请求.
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static string ComeRequestGet(HttpWebRequest request)
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{
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string result = "";
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request.AllowAutoRedirect = true;
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request.Method = "GET";
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request.CookieContainer = new CookieContainer();
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request.Credentials = CredentialCache.DefaultCredentials;
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HttpWebResponse resp = (HttpWebResponse)request.GetResponse();
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Stream stream = resp.GetResponseStream();
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try
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{
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// 获取内容
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using (StreamReader reader = new StreamReader(stream))
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{
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result = reader.ReadToEnd();
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}
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}
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finally
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{
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stream.Close();
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}
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return result;
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}
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/// <summary>
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/// 通用的Post请求.
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static string ComeRequestPost(HttpWebRequest request)
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{
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string result = "";
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request.AllowAutoRedirect = true;
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request.Method = "POST";
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request.CookieContainer = new CookieContainer();
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request.Credentials = CredentialCache.DefaultCredentials;
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HttpWebResponse resp = (HttpWebResponse)request.GetResponse();
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Stream stream = resp.GetResponseStream();
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try
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{
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// 获取内容
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using (StreamReader reader = new StreamReader(stream))
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{
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result = reader.ReadToEnd();
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}
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}
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finally
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{
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stream.Close();
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}
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return result;
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}
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}
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