/// <summary>
/// 获取内容
/// </summary>
/// <param name="header">Http头</param>
/// <param name="cookie">Cookie</param>
/// <returns></returns>
public static string Get(DotnetReuqetHeader header, CookieContainer cookie)
{
try
{
HttpWebRequest req = buildRequest(header);
req.Method = "GET";
req.CookieContainer = cookie;
req.AllowAutoRedirect = true;
Encoding encoding = Encoding.GetEncoding(header.Encoding);
if (string.IsNullOrEmpty(req.ContentType))
{
req.ContentType = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
}
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
StreamReader streamReader = new StreamReader(resp.GetResponseStream(), encoding);
string responseContent = streamReader.ReadToEnd();
req.Abort();
resp.Close();
streamReader.Close();
return(responseContent);
}
catch (Exception exp)
{
return("错误:" + exp.Message);
}
}
/// <summary>
/// 创建REQUEST
/// </summary>
/// <param name="header"></param>
/// <returns></returns>
private static HttpWebRequest buildRequest(DotnetReuqetHeader header)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(header.Url);
req.Method = "GET";
req.Timeout = 20000;
if (!string.IsNullOrEmpty(header.Accept))
{
req.Accept = header.Accept;
}
if (!string.IsNullOrEmpty(header.ContentType))
{
req.ContentType = header.ContentType;
}
if (!string.IsNullOrEmpty(header.Host))
{
req.Host = header.Host;
}
if (!string.IsNullOrEmpty(header.Origin))
{
req.Headers.Add("Origin", header.Origin);
}
if (!string.IsNullOrEmpty(header.Refer))
{
req.Referer = header.Refer;
}
req.UserAgent = UserAgent.RandomUserAget();
req.Timeout = header.TimeOut;
//否则有就设置
if (header.Proxy != null)
{
WebProxy webProxy = new WebProxy(header.Proxy.ProxyIP, int.Parse(header.Proxy.ProxyPort));
if (!string.IsNullOrEmpty(header.Proxy.ProxyUser))
{
webProxy.Credentials = new NetworkCredential(header.Proxy.ProxyUser, header.Proxy.ProxyPass);
}
req.Proxy = webProxy;
}
return(req);
}
/// <summary>
/// 获取图片信息
/// </summary>
/// <param name="header">HTTP 头</param>
/// <param name="cookie">Cookie</param>
/// <returns></returns>
public static Bitmap GetImage(DotnetReuqetHeader header, CookieContainer cookie)
{
try
{
HttpWebRequest req = buildRequest(header);
req.Method = "GET";
req.CookieContainer = cookie;
req.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
Bitmap bitmap = Bitmap.FromStream(resp.GetResponseStream()) as Bitmap;
req.Abort();
resp.Close();
return(bitmap);
}
catch
{
return(null);
}
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="header">HTTP头</param>
/// <param name="filePath">文件路径</param>
/// <param name="cookie">cookie</param>
/// <returns></returns>
public static string PostFile(DotnetReuqetHeader header, string filePath, CookieContainer cookie)
{
try
{
byte[] data = null;
using (FileStream fs = new FileStream(filePath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(fs))
{
data = br.ReadBytes((int)br.BaseStream.Length);
}
}
if (data != null)
{
HttpWebRequest req = buildRequest(header);
req.Method = "POST";
req.CookieContainer = cookie;
req.AllowAutoRedirect = true;
req.ContentType = "application/octet-stream";
req.ContentLength = data.Length;
Encoding encoding = Encoding.GetEncoding(header.Encoding);
Stream outstream = req.GetRequestStream();
outstream.Write(data, 0, data.Length);
outstream.Close();
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
StreamReader streamReader = new StreamReader(resp.GetResponseStream(), encoding);
string responseContent = streamReader.ReadToEnd();
req.Abort();
resp.Close();
streamReader.Close();
return(responseContent);
}
return(string.Empty);
}
catch (Exception exp)
{
return("错误" + exp.Message);
}
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="header">HTTP头</param>
/// <param name="postData">待发送的数据</param>
/// <param name="cookie">Cookie</param>
/// <returns></returns>
public static string Post(DotnetReuqetHeader header, NameValueCollection postData, CookieContainer cookie)
{
try
{
HttpWebRequest req = buildRequest(header);
req.Method = "POST";
req.CookieContainer = cookie;
req.AllowAutoRedirect = true;
Encoding encoding = Encoding.GetEncoding(header.Encoding);
if (string.IsNullOrEmpty(req.ContentType))
{
req.ContentType = "application/x-www-form-urlencoded";
}
string body = string.Empty;
if (postData != null)
{
foreach (string key in postData.AllKeys)
{
body += "&" + key + "=" + postData[key];
}
body = body.Substring(1);
byte[] btBodys = encoding.GetBytes(body);
req.ContentLength = btBodys.Length;
req.GetRequestStream().Write(btBodys, 0, btBodys.Length);
}
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
StreamReader streamReader = new StreamReader(resp.GetResponseStream(), encoding);
string responseContent = streamReader.ReadToEnd();
req.Abort();
resp.Close();
streamReader.Close();
return(responseContent);
}
catch (Exception exp)
{
return(exp.Message);
}
}
