目的：工作中已经两次使用了，特此记录一下，并写好注释
/// <summary>
/// HttpWebRequest的基本配置
/// </summary>
public class HttpConfig
{
/// <summary>
/// 协议：http/https
/// </summary>
public string protocol
{
set;
get;
}
/// <summary>
/// 发送端发送的数据格式
/// </summary>
public string contentType
{
set;
get;
}
/// <summary>
/// 客户端希望接受的数据类型
/// </summary>
public string accept
{
set;
get;
}
/// <summary>
/// 标识请求者的一些信息，如浏览器类型和版本、操作系统，使用语言等信息(IE，Firefox以“Mozilla/....”开头)
/// </summary>
public string userAgent
{
set;
get;
}
/// <summary>
/// 超时时间
/// </summary>
public int timeOut
{
set;
get;
}
/// <summary>
/// 请求body的编码类型：utf-8/gbk2312/gbk
/// </summary>
public string encoding
{
set;
get;
}
/// <summary>
/// 请求方式：GET/POST
/// </summary>
public string method
{
set;
get;
}
/// <summary>
/// 是否保持持续连接。默认为true
/// </summary>
public bool keepAlive
{
set;
get;
}
/// <summary>
/// cookie集合
/// </summary>
public CookieContainer cc = null;
/// <summary>
/// http header集合
/// </summary>
public WebHeaderCollection whc = null;
public HttpConfig()
{
protocol = "http";
contentType = "application/xml;charset=utf-8";
accept = "application/xml";
userAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";
timeOut = 15;
encoding = "utf-8";
method = "POST";
keepAlive = false;
}
public HttpConfig(Dictionary<string, string> dctCookieKeyValus, string Domain, Dictionary<string, string> dctHeaderKeyValus)
: this()
{
GetCookieContainer(dctCookieKeyValus, Domain);
GetWebHeaderCollection(dctHeaderKeyValus);
}
/// <summary>
/// 设置cookies
/// </summary>
/// <param name="dctKeyValus"></param>
/// <param name="Domain"></param>
public void GetCookieContainer(Dictionary<string, string> dctKeyValus, string Domain)
{
if (dctKeyValus.Count > 0)
{
cc = new CookieContainer();
foreach (string key in dctKeyValus.Keys)
{
Cookie cookie = new Cookie(key, dctKeyValus[key]);
cookie.Domain = "";
cc.Add(cookie);
}
}
}
/// <summary>
/// 设置httpheaders
/// </summary>
/// <param name="dctKeyValus"></param>
public void GetWebHeaderCollection(Dictionary<string, string> dctKeyValus)
{
if (dctKeyValus.Count > 0)
{
whc = new WebHeaderCollection();
foreach (string key in dctKeyValus.Keys)
{
whc.Add(string.Format("{0}:{1}", key, dctKeyValus[key]));
}
}
}
}
public class HttpRequestAndResponse
{
HttpConfig httpConfig = null;
public HttpRequestAndResponse(HttpConfig httpconfig)
{
httpConfig = httpconfig;
}
/// <summary>
/// 调过https验证
/// </summary>
private static bool CheckValidationResult(object sender, X509Certificate certificate,
X509Chain chain, SslPolicyErrors errors)
{
return true;
}
public string RequestAndResponse(string url, string requestXML, ref string errString)
{
string response = "";
HttpWebRequest req = null;
HttpWebResponse res = null;
try
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
/*最大并接数*************************************************************/
ServicePointManager.DefaultConnectionLimit = 200;//最大并发连接数
//如果写在配置文件里 app.config
// <system.net>
// <connectionManagement>
// <!--表示把对任何域名的请求最大http连接数都设置为200-->
// <add address = "*" maxconnection = "200" />
// </connectionManagement>
//</system.net>
req = WebRequest.Create(url) as HttpWebRequest;
/*HttpWebRequest的基本属性设置*************************************************************/
req.ProtocolVersion = HttpVersion.Version10;
req.UserAgent = httpConfig.userAgent;
req.KeepAlive = httpConfig.keepAlive;
req.Timeout = 1000 * httpConfig.timeOut;
req.Method = httpConfig.method;
req.Accept = httpConfig.accept;
req.ContentType = httpConfig.contentType;
/*写入http头部信息*************************************************************************/
if (httpConfig.whc != null)
req.Headers = httpConfig.whc;
/*cookie拼接*************************************************************/
if (httpConfig.cc != null)
req.CookieContainer = httpConfig.cc;
/*写入requestXML***************************************************************************/
if (!string.IsNullOrEmpty(requestXML))
{
byte[] bytes = System.Text.Encoding.GetEncoding(httpConfig.encoding).GetBytes(requestXML);
if (bytes.Length > 0)
{
req.ContentLength = bytes.Length;
using (Stream reqStream = req.GetRequestStream())
{
reqStream.Write(bytes, 0, bytes.Length);
reqStream.Close();
}
}
}
/*HttpWebResponse获取服务器数据**************************************************************/
res = req.GetResponse() as HttpWebResponse;
using (Stream resStream = res.GetResponseStream())
{
using (StreamReader resStreamReader = new StreamReader(resStream, Encoding.GetEncoding(httpConfig.encoding)))
{
response = resStreamReader.ReadToEnd();
}
}
}
catch (WebException e)
{
HttpWebResponse exceptionRes = e.Response as HttpWebResponse;
errString = "#Status-line\n";
string format = "protocolVersion:{0}\tstatusCode:{1}\tstatusDescription:{2}\n";
errString += string.Format(format, exceptionRes.ProtocolVersion, Convert.ToInt32(exceptionRes.StatusCode), exceptionRes.StatusDescription);
errString += "#Header\n";
format = "num[{0}]:({1}:{2})\n";
for (int i = 0; i < exceptionRes.Headers.Count; i++)
{
errString += string.Format(format, i, exceptionRes.Headers.Keys[i], exceptionRes.Headers[i]);
}
errString += "#Body\n";
using (Stream resStream = exceptionRes.GetResponseStream())
{
using (StreamReader resStreamReader = new StreamReader(resStream, Encoding.GetEncoding(httpConfig.encoding)))
{
errString += resStreamReader.ReadToEnd() + "\n";
resStreamReader.Close();
resStream.Close();
}
}
errString += "#end\n";
exceptionRes.Close();
}
catch (Exception e)
{
errString = e.ToString();
}
finally
{
if (res!= null)
{
res.Close();
res = null;
}
if (req != null)
{
req.Abort();
req = null;
}
}
return response;
}
}
