using System;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;
/// <summary>
/// 锁
/// </summary>
/// <param name="sender"></param>
/// <param name="certificate"></param>
/// <param name="chain"></param>
/// <param name="errors"></param>
/// <returns></returns>
public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
return true;//直接确认,否则打不开
}
POST请求
请求方法:
PostUrl("https://www.xxxxxx.com/", "a=1&b=2&c=3", 10, Encoding.UTF8);//POST请求
/// <summary>
/// 处理HTTP POST请求,返回数据
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="postData">请求参数[格式:a=1&b=2&c=3]字符串</param>
/// <param name="timeout">过期时间(单位/秒)</param>
/// <param name="encode">编码[UTF-8、GBK、]</param>
/// <returns></returns>
public static string PostUrl(string url, string postData, int timeout, Encoding encode)
{
System.GC.Collect();//垃圾回收,回收没有正常关闭的http连接
string result = "";//返回结果
HttpWebRequest request = null;
HttpWebResponse response = null;
Stream reqStream = null;
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit = 200;
//设置https验证方式
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.KeepAlive = false;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.Timeout = timeout * 1000;
request.Referer = null;
request.AllowAutoRedirect = true;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
request.Accept = "*/*";
//设置代理服务器
//WebProxy proxy = new WebProxy(); //定义一个网关对象
//proxy.Address = new Uri(WxPayConfig.PROXY_URL); //网关服务器端口:端口
//request.Proxy = proxy;
//设置POST的数据类型和长度
byte[] data = System.Text.Encoding.UTF8.GetBytes(postData);
request.ContentLength = data.Length;
//往服务器写入数据
reqStream = request.GetRequestStream();
reqStream.Write(data, 0, data.Length);
reqStream.Close();
//获取服务端返回
response = (HttpWebResponse)request.GetResponse();
//获取服务端返回数据
StreamReader sr = new StreamReader(response.GetResponseStream(), encode ?? Encoding.UTF8);// Encoding.GetEncoding("Shift_JIS")
result = sr.ReadToEnd().Trim();
sr.Close();
}
catch (System.Threading.ThreadAbortException e)
{
Log4Helper.Log("Thread - caught ThreadAbortException - resetting.");
Log4Helper.Log($"Exception message: {e.Message}");
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
Log4Helper.Log(e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
Log4Helper.Log("StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
Log4Helper.Log("StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new HttpServiceException(e.ToString());
}
catch (Exception e)
{
Log4Helper.Log(e.ToString());
throw new HttpServiceException(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return result;
}
GET请求
请求方法:
Get("https://www.xxxxxx.com/", 10, Encoding.UTF8);//GET请求
/// <summary>
/// 处理HTTP GET请求,返回数据
/// </summary>
/// <param name="url">请求的url地址(参数写在地址后面)</param>
/// <param name="timeout">过期时间(单位/秒)</param>
/// <param name="encode">编码[UTF-8、GBK、]</param>
/// <returns>http GET成功后返回的数据,失败抛WebException异常</returns>
public static string Get(string url, int timeout, Encoding encode)
{
System.GC.Collect();//垃圾回收,回收没有正常关闭的http连接
string result = "";
HttpWebRequest request = null;
HttpWebResponse response = null;
//请求url以获取数据
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit = 200;
//设置https验证方式
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
request.ProtocolVersion = HttpVersion.Version11;
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);//创建Http请求
request.Method = "GET";//请求方式
//request.ContentType = contentType;//内容类型
request.ReadWriteTimeout = timeout;//读写超时时间
//设置代理
//WebProxy proxy = new WebProxy();
//proxy.Address = new Uri(WxPayConfig.PROXY_URL);
//request.Proxy = proxy;
//获取服务器返回
response = (HttpWebResponse)request.GetResponse();
//获取HTTP返回数据
StreamReader sr = new StreamReader(response.GetResponseStream(), encode ?? Encoding.UTF8);
result = sr.ReadToEnd().Trim();
sr.Close();
}
catch (System.Threading.ThreadAbortException e)
{
Log4Helper.Log("Thread - caught ThreadAbortException - resetting.");
Log4Helper.Log($"Exception message: {e.Message}");
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
Log4Helper.Log(e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
Log4Helper.Log("StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
Log4Helper.Log("StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new HttpServiceException(e.ToString());
}
catch (Exception e)
{
Log4Helper.Log(e.ToString());
throw new HttpServiceException(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return result;
}