请问大家：怎么判断一个一个Http(rtsp/mms)连接URL是否有效呢 谢谢大家了 公司要做个监控网络电台地址功能，发愁中！！！
解决方案 »
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<!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> <title>Untitled Page</title> <script type="text/javascript" src="../JS/jQuery/jquery.js"></script>
<script type="text/javascript"> function NetPing() { $.ajax({ type: "GET", cache: false, url: "http://www.163.com/index.html", data: "", success: function(){ Done(1); }, error:function(){ Done(0); } }); } function Done(rel) { if(rel==1) { document.getElementById('Text1').value="网络已连接"; } else { document.getElementById('Text1').value="网络未连接"; } } function Button1_onclick() { NetPing(); }
</script>
</head><body> <input id="Button1" type="button" value="探测" onclick="return Button1_onclick()" /> <input id="Text1" type="text" /></body></html>
而不是楼上说的http://www.163.com/index.html 链接
try
{
HttpWebRequest request;
HttpWebResponse response;
string strResult = "";
request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Timeout = _iSetTimeOut;
request.KeepAlive = false;
request.ServicePoint.Expect100Continue = false;
request.ServicePoint.UseNagleAlgorithm = false;
request.ReadWriteTimeout = _iSetTimeOut;
request.Method = "GET";
request.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*";
request.UserAgent = " Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727;)";
response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
return true;
}
}
catch (Exception ex) { return false; }