用Asp编程实现QQ的在线情况查询
这段程序的方法是利用XMLHTTP来读取腾讯网站的相应HTML代码获取QQ的头像,根据这个想法,我们还可以抓取很多其他网站的信息,如天气预报、新闻等等。
<scriptlanguage="JavaScript">
<!--
functiongetFaceImg(QQcode)
{
varRe=newRegExp("^[1-9]{1}\d+$","g");
if(!QQcode!Re.test(QQcode))return;
varURL="http://search.tencent.com/cgi-bin/friend/oicq_find?oicq_no="+QQcode;
varhttp=newActiveXObject("Microsoft.XMLHTTP");
http.open("GET",URL,false,"","");
http.setRequestHeader("CONTENT-TYPE","text/html;Charset=gb2312");
http.send();
if(http.status!=200)return;
varwebStr=http.responseText;
Re=newRegExp(""(http://img.tencent.com/face/[^"]+)"","ig");
if(Re.test(webStr))
return"<ahref="http://search.tencent.com/cgi-bin/friend/user_show_info?ln="+QQcode+""target=_blanktitle="QQ:"+QQcode+""><imgsrc=""+RegExp.$1+""width=16height=16border=0></a>";
http=null;
}
document.write("我的QQ状态:"+getFaceImg("44723461"));
//-->
</script>