C # Post/get method for implementing HTTP via Webclient/httpwebrequest (reprint)

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//body is the parameter to be passed, the format "roleid=1&uid=2"//Post Cotenttype fill in://"application/x-www-form-urlencoded"//soap fills in: "Text/xml; Charset=utf-8 "     Public Static stringPosthttp (stringUrlstringBodystringContentType) {HttpWebRequest HttpWebRequest=(HttpWebRequest) webrequest.create (URL); Httpwebrequest.contenttype=ContentType; Httpwebrequest.method="POST"; Httpwebrequest.timeout=20000; byte[] Btbodys =Encoding.UTF8.GetBytes (body); Httpwebrequest.contentlength=btbodys.length; Httpwebrequest.getrequeststream (). Write (Btbodys,0, btbodys.length); HttpWebResponse HttpWebResponse=(HttpWebResponse) httpwebrequest.getresponse (); StreamReader StreamReader=NewStreamReader (Httpwebresponse.getresponsestream ()); stringResponsecontent =Streamreader.readtoend ();        Httpwebresponse.close ();        Streamreader.close ();        Httpwebrequest.abort ();        Httpwebresponse.close (); returnresponsecontent; }

Post Method (HttpWebRequest)

/// <summary>        ///Basic authentication is required by WebClient post data to remote address;///The caller handles the exception itself/// </summary>        /// <param name= "uri" ></param>        /// <param name= "Paramstr" >name= Zhang San &age=20</param>        /// <param name= "encoding" >Please confirm the encoding of the target page first</param>        /// <param name= "username" ></param>        /// <param name= "password" ></param>        /// <returns></returns>         Public Static stringRequest_webclient (stringUristringParamstr, Encoding Encoding,stringUsernamestringpassword) {            if(Encoding = =NULL) Encoding=Encoding.UTF8; stringresult =string.            Empty; WebClient WC=NewWebClient (); //the header that must be added in the post modeWc. Headers.add ("Content-type","application/x-www-form-urlencoded"); byte[] PostData =encoding.            GetBytes (PARAMSTR); if(!string. IsNullOrEmpty (username) &&!string. IsNullOrEmpty (password)) {WC. Credentials=Getcredentialcache (URI, username, password); Wc. Headers.add ("Authorization", getauthorization (username, password)); }            byte[] responsedata = WC. Uploaddata (URI,"POST", PostData);//get a stream of returned characters            returnEncoding. GetString (ResponseData);//decoding}

Post Method (WebClient)

 Public Static stringGethttp (stringURL, HttpContext HttpContext) {        stringQueryString ="?"; foreach(stringKeyinchhttpContext.Request.QueryString.AllKeys) {QueryString+ = key +"="+ Httpcontext.request.querystring[key] +"&"; } queryString= Querystring.substring (0, Querystring.length-1); HttpWebRequest HttpWebRequest= (HttpWebRequest) webrequest.create (URL +queryString); Httpwebrequest.contenttype="Application/json"; Httpwebrequest.method="GET"; Httpwebrequest.timeout=20000; //byte[] Btbodys = Encoding.UTF8.GetBytes (body); //httpwebrequest.contentlength = btbodys.length; //Httpwebrequest.getrequeststream (). Write (Btbodys, 0, btbodys.length);HttpWebResponse HttpWebResponse=(HttpWebResponse) httpwebrequest.getresponse (); StreamReader StreamReader=NewStreamReader (Httpwebresponse.getresponsestream ()); stringResponsecontent =Streamreader.readtoend ();        Httpwebresponse.close ();        Streamreader.close (); returnresponsecontent; }

Get Method (HttpWebRequest)

/// <summary>        ///the Webrequest/webresponse class accesses the remote address and returns the result, requiring basic authentication;///The caller handles the exception itself/// </summary>        /// <param name= "uri" ></param>        /// <param name= "Timeout" >the access time-out, in milliseconds, or 0 if no time-out is set</param>        /// <param name= "encoding" >If you do not know the specific encoding, pass in null</param>        /// <param name= "username" ></param>        /// <param name= "password" ></param>        /// <returns></returns>         Public Static stringRequest_webrequest (stringUriintTimeout, Encoding Encoding,stringUsernamestringpassword) {            stringresult =string.            Empty; WebRequest Request= WebRequest.Create (NewUri (URI)); if(!string. IsNullOrEmpty (username) &&!string. IsNullOrEmpty (password)) {request. Credentials=Getcredentialcache (URI, username, password); Request. Headers.add ("Authorization", getauthorization (username, password)); }            if(Timeout >0) Request. Timeout=timeout; WebResponse response=request.            GetResponse (); Stream Stream=Response.            GetResponseStream (); StreamReader SR= Encoding = =NULL?NewStreamReader (Stream):NewStreamReader (stream, encoding); Result=Sr.            ReadToEnd (); Sr.            Close (); Stream.            Close (); returnresult; }        #region# Generate Http Basic Access Credentials #Private StaticCredentialCache Getcredentialcache (stringUristringUsernamestringpassword) {            stringauthorization =string. Format ("{0}:{1}", username, password); CredentialCache Credcache=NewCredentialCache (); Credcache.add (NewUri (URI),"Basic",Newnetworkcredential (username, password)); returnCredcache; }        Private Static stringGetauthorization (stringUsernamestringpassword) {            stringauthorization =string. Format ("{0}:{1}", username, password); return "Basic"+ convert.tobase64string (Newasciiencoding ().        GetBytes (authorization)); }        #endregion

Webrequest/webresponse of basic validation

C # Post/get method for implementing HTTP via Webclient/httpwebrequest (reprint)