C# get或者post获取网页内容

1. ///<summary>  
2.         /// 获取指定url的请求内容  
3.         ///</summary>  
4.         ///<param name="Url"></param>  
5.         ///<param name="encode"></param>  
6.         ///<returns></returns>  
7.         public static string GetRemoteHtmlCodeByEncoding(string Url, string encode)  
8.         {  
9.             HttpWebResponse Result = null;  
10.   
11.             try  
12.             {  
13.                 HttpWebRequest Req = (HttpWebRequest) System.Net.WebRequest.Create(Url);  
14.                 Req.Method = "get";  
15.                 Req.ContentType = "application/x-www-form-urlencoded";  
16.                 Req.Credentials = CredentialCache.DefaultCredentials;  
17.                 Result = (HttpWebResponse) Req.GetResponse();  
18.   
19.                 StreamReader ReceiveStream = new StreamReader(Result.GetResponseStream(), Encoding.GetEncoding(encode));  
20.                 string OutPutString;  
21.                 try  
22.                 {  
23.                     OutPutString = ReceiveStream.ReadToEnd();  
24.                 }  
25.                 catch  
26.                 {  
27.                     OutPutString = string.Empty;  
28.                 }  
29.                 finally  
30.                 {  
31.                     ReceiveStream.Close();  
32.                 }  
33.   
34.                 return OutPutString;  
35.             }  
36.             catch  
37.             {  
38.                 return string.Empty;  
39.             }  
40.             finally  
41.             {  
42.                 if (Result != null)  
43.                 {  
44.                     Result.Close();  
45.                 }  
46.             }  
47.         }  

[csharp]  view plain  copy

1. /// <summary>  
2.         /// 以POST方式抓取远程页面内容  
3.         /// </summary>  
4.         /// <param name="url">请求的url</param>  
5.         /// <param name="postData">参数列表</param>  
6.         /// <param name="encodeType">编码类型</param>  
7.         /// <returns></returns>  
8.         public static string Post_Http(string url, string postData, string encodeType)  
9.         {  
10.             HttpWebResponse myResponse = null;  
11.             string strResult = null;  
12.             try  
13.             {  
14.                 Encoding encoding = Encoding.GetEncoding(encodeType);  
15.                 byte[] POST = encoding.GetBytes(postData);  
16.                 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);  
17.                 myRequest.Method = "POST";  
18.                 myRequest.ContentType = "application/x-www-form-urlencoded";  
19.                 myRequest.ContentLength = POST.Length;  
20.                 Stream newStream = myRequest.GetRequestStream();  
21.                 newStream.Write(POST, 0, POST.Length); //设置POST  
22.                 newStream.Close();  
23.                 // 获取结果数据  
24.                 myResponse = (HttpWebResponse)myRequest.GetResponse();  
25.                 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.Default);  
26.                 strResult = reader.ReadToEnd();  
27.             }  
28.             catch (Exception ex)  
29.             {  
30.                 strResult = ex.Message;  
31.             }  
32.             finally  
33.             {  
34.                 if (myResponse != null)  
35.                     myResponse.Close();  
36.             }  
37.             return strResult;  
38.         }