我做了一个服务器推送，在vs自带的服务器上正常运行，IIS不行
我做了一个服务器推送，在vs自带的服务器上正常运行，发布到IIS就不行了，代码贴上：
- C# code
<%@ Page Language="C#" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title> <style> *{ font-size:12px;} #divResult { border:1px solid #000; width:250px; } </style> <script src="Scripts/jquery-1.3.2.min.js" type="text/javascript"></script> <script src="Scripts/myJS.js" type="text/javascript"></script></head><body> 广播内容: <input type="text" id="content" /><br /> 消息记录： <div id="divResult"></div> <input type="button" id="btnSend" value="广播" /></body></html>- C# code
using System;using System.Collections.Generic;using System.Web;using System.Threading;/// <summary>/// Summary description for AsnyHandler/// </summary>public class AsnyHandler:IHttpAsyncHandler{ public AsnyHandler() { } public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) { //myAsynResult为实现了IAsyncResult接口的类，当不调用cb的回调函数时，该请求不会返回到给客户端，会一直处于连接状态 myAsynResult asyncResult = new myAsynResult(context, cb, extraData); String content = context.Request.Params["content"]; //向Message类中添加该消息 Messages.Instance().AddMessage(content, asyncResult); return asyncResult; } #region 不必理会 public void EndProcessRequest(IAsyncResult result) { } public bool IsReusable { get { return false; ; } } public void ProcessRequest(HttpContext context) { } #endregion}public class myAsynResult : IAsyncResult{ bool _IsCompleted = false; private HttpContext context; private AsyncCallback cb; private object extraData; public myAsynResult(HttpContext context, AsyncCallback cb, object extraData) { this.context = context; this.cb = cb; this.extraData = extraData; } private string _content; public string Content { get {return _content;} set{_content=value;} } #region IAsyncResult接口 public object AsyncState { get { return null; } } public System.Threading.WaitHandle AsyncWaitHandle { get { return null; } } public bool CompletedSynchronously { get { return false; } } public bool IsCompleted { get { return _IsCompleted; } } #endregion //在Message类中的添加消息方法中，调用该方法，将消息输入到客户端，从而实现广播的功能 public void Send(object data) { context.Response.Write(this.Content); if (cb!=null) { cb(this); } _IsCompleted = true; ; }}- C# code
using System;using System.Collections.Generic;using System.Web;/// <summary>/// Summary description for Messages/// </summary>public class Messages{ //记录所有请求的客户端 List<myAsynResult> clients = new List<myAsynResult>(); #region 实现该类的单例 private static readonly Messages _Instance = new Messages(); private Messages() { } public static Messages Instance() { return _Instance; } #endregion public void AddMessage(string content,myAsynResult asyncResult) { //当传入的内容为"-1"时，表示为建立连接请求，即为了维持一个从客户端到服务器的连接而建立的连接 //此时将该连接保存到 List<myAsynResult> clients中，待再有消息发送过来时，该连接将会被遍历，并且会将该连接输出内容后，结束该连接 if (content=="-1") { clients.Add(asyncResult); } else { //将当前请求的内容输出到客户端 asyncResult.Content = content; asyncResult.Send(null); //否则将遍历所有已缓存的client,并将当前内容输出到客户端 foreach (myAsynResult result in clients) { result.Content = content; result.Send(null); } //清空所有缓存 clients.Clear(); } }}
- C# code
/// <reference path="jquery-1.3.2.min.js" >$(document).ready(function () { function send() { //向comet_broadcast.asyn发送请求，消息体为文本框content中的内容，请求接收类为AsnyHandler $.post("comet_broadcast.asyn", { content: $("#content").val() }); //清空内容 $("#content").val(""); } function wait() { $.post("comet_broadcast.asyn", { content: "-1" }, function (data, status) { var result = $("#divResult"); result.html(result.html() + "<br/>" + data); //服务器返回消息,再次立连接 wait(); }, "html" ); } //初始化连接 wait(); $("#btnSend").click(function () { send(); }); $("#content").keypress(function (event) { if (event.keyCode == 13) { send(); } });});[/code]
- XML code
<?xml version="1.0"?><configuration> <system.web> <httpHandlers> <add path="comet_broadcast.asyn" type="AsnyHandler" verb="POST,GET"/> </httpHandlers> <compilation debug="true"/></system.web></configuration>
[解决办法]
asyn文件在iis加个个mime类型试试
[解决办法]
vs上运行成功，IIS上不行。多半为权限的问题。
[解决办法]
一般用VS调试没问题,放在IIS里有问题的, 大部分都是权限问题, LZ仔细检查下哪句话受权限影响