A good C # Http/https class

Direct copy to use it :

The new TLS protocol requires a new. NET version, and TLS is updated at least to. Net4, try to use the latest. net! Otherwise the error is to toss ...

Using system;using system.collections.generic;using system.linq;using system.text;using System.Net.Security;using System.security.cryptography.x509certificates;using system.servicemodel.security;using System.Net;using System.IO ; using system.io.compression;using system.text.regularexpressions;namespace lzp.service{//<summary>//        Auxiliary class for HTTP/HTTPS request Lzpong///default UTF-8 code///</summary> public class HTTPS {public HTTPS ()            {SPT = Securityprotocoltype.tls;            requestencoding = encoding.getencoding ("UTF-8");        Requestuseragent = defaultuseragent; }///<summary>///Securityprotocoltype If HTTPS appears "base connection ..." or "SSL/TLS ..." error, change this property;        You may also need to upgrade. NET has support for updated security protocols///</summary> public static Securityprotocoltype SPT {get; set;}        Set encoding default encoding is UTF-8 public static Encoding requestencoding {get; set;} Set encoding public static void Setencoding (sTring endcode) {requestencoding = encoding.getencoding (Endcode);}        private static string requestuseragent = Defaultuseragent; private static readonly string defaultuseragent = "mozilla/5.0 (Windows NT 6.1;        WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/45.0.2454.101 safari/537.36 "; Set the browser version public static void Setuseragent (string useragent = null) {if (! String.isnullorwhitespace (useragent)) requestuseragent = useragent; else requestuseragent = defaultuseragent; }///<summary>//Create a Get method Http/https request///</summary>//<param name= "url" &G t; requested url</param>//<param name= "Timeout" > timeout for request </param>//<param name= "useragent" & GT; Requested client browser information, can be null </param>///<param Name= "requestencoding" > Encoding used to send HTTP requests </param>////        Lt;param name= "Cookies" > Cookie information sent with HTTP requests, if authentication is not required can be null </param>//<returns></returns> Public sTatic httpwebresponse createget (string url, int? timeout = null, string useragent = null, cookiecollection cookie = null)        {return Create (URL, null, "GET", requestencoding, timeout, cookies); }///<summary>//Http/https request to create POST method///</summary>//<param name= "url" & gt; requested url</param>//<param name= "parameters" > data accompanying the request for post </param>//<param name= "Tim Eout "> Timeout for request </param>//<param name=" useragent "> requested client browser information, can be null </param>//<para M name= "requestencoding" > Encoding used to send HTTP requests </param>//<param name= "cookies" > Cookie information sent with HTTP requests, if not required Authentication can be null </param>///<returns></returns> public static HttpWebResponse Createpost (String u RL, string parameters = null, int? Timeout = null, cookiecollection cookies = null) {return Create (URL, parameters, "POST", Requestencodin G, timeout, cookIES); }///<summary>//Create HTTP/HTTPS request///</summary>//<param name= "url" > Requested U rl</param>//<param name= "Parameters" > a dictionary of parameter names and parameter values accompanying the request post </param>//<param name= "Ti Meout "> Timeout for request </param>//<param name=" useragent "> requested client browser information, can be null </param>//<par Am Name= "requestencoding" > Encoding used to send HTTP requests </param>//<param name= "cookies" > Cookie information sent with HTTP requests, if not required  To authenticate can be null </param>////<returns></returns> public static HttpWebResponse Create (string URL, String Parameters=null, String method = "GET", Encoding requestencoding = null, int? Timeout = null, cookiecollection cookie = null) {if (string.            IsNullOrEmpty (URL)) throw new ArgumentNullException ("url");            if (requestencoding = = null) requestencoding=encoding.getencoding ("UTF-8"); HttpWebRequest request = Null If the HTTPS request is sent if (URL. StartsWith ("https", StringComparison.OrdinalIgnoreCase)) {Servicepointmanager.securityprotocol                = SPT; Servicepointmanager.servercertificatevalidationcallback = new Remotecertificatevalidationcallback (                CheckValidationResult);                Request = WebRequest.Create (URL) as HttpWebRequest; Request.            ProtocolVersion = Httpversion.version10;            } Else Request = WebRequest.Create (URL) as HttpWebRequest; Request.            Method = method; Request.            useragent = requestuseragent; if (timeout. HasValue) Request. Timeout = timeout.            Value; if (cookie = null) {request.                Cookiecontainer = new Cookiecontainer (); Request.            Cookiecontainer.add (cookies); }//If you need post data if (method = = "Post") {request. ContentType = "APPlication/x-www-form-urlencoded "; if (! String.isnullorwhitespace (Parameters)) {byte[] data = Requestencoding.getbytes (paramete                    RS); using (Stream stream = Request. GetRequestStream ()) {stream. Write (data, 0, data.                    Length); }}} return request.        GetResponse () as HttpWebResponse; } private static bool CheckValidationResult (object sender, X509Certificate certificate, X509chain chain, Sslpolicye Rrors errors) {return true;//Always Accept}}}

Of course, there is a web-based, but also self-tuning optimized , so or mine

Reprint should indicate http://home.cnblogs.com/u/lzpong/

A good C # Http/https class