WEB project backend cross-domain request_PHP tutorial

WEB project backend cross-domain request

　using System;

Using System.Collections.Generic;

Using System.IO;

Using System.Linq;

Using System.Net;

Using System.Text;

Using System.Web;

Using System.Web.SessionState;

namespace GL

　{

public class CrossDomainHandler:IHttpModule, IRequiresSessionState

　{

　///

　/// Release memory

　///

public void Dispose()

　{

　}

　///

　/// Start request

　///

　///

public void Init(HttpApplication context)

　{

//Binding time when the page starts requesting

Context.BeginRequest += new EventHandler(context_PreRequestHandlerExecute);

　}

　///

　/// Request processing

　///

　///

　///

void context_PreRequestHandlerExecute(object sender, EventArgs e)

　{

HttpApplication app = (HttpApplication)sender;

HttpContext context = app.Context;

Context.Response.AppendHeader("charset", "utf-8");

Context.Response.AppendHeader("defaultCharset", "utf-8");

Context.Response.AppendHeader("Content-Type", "text/html; charset=utf-8");

　var relativeAddr = context.Request.AppRelativeCurrentExecutionFilePath.Remove(0, 2);

　if (relativeAddr.StartsWith("Server"))

　{

var url = string.Concat("http://localhost:89", relativeAddr.Substring(relativeAddr.IndexOf('/')));

HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;

request.Method = "POST";

request.ContentType = "application/x-www-form-urlencoded";

　var rs = request.GetRequestStream();

　var sb = new StringBuilder("a=a&");

Context.Request.Form.AllKeys.ToList().ForEach(name =>

　{

　sb.AppendFormat("{0}={1}&", name, context.Request.Form[name]);

　});

　var str = sb.ToString();

　if(str.Contains('&'))

　{

str = str.Substring(0, str.Length - 1);

　}

　var sw = new StreamWriter(rs, Encoding.UTF8);

sw.Write(sb.ToString());

sw.Close();

request.Timeout = 60 * 1000;

　var response = request.GetResponse() as HttpWebResponse;

　var ps = response.GetResponseStream();

　var reader = new StreamReader(ps, Encoding.UTF8);

String html = reader.ReadToEnd();

ps.Close();

Context.Response.Write(html);

Context.Response.End();

　}

　}

　}

　}

http://www.bkjia.com/PHPjc/950333.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/950333.htmlTechArticleWEB project backend cross-domain request using System; using System.Collections.Generic; using System.IO; using System .Linq; using System.Net; using System.Text; using System.Web; using System....