演示:http://asp2004.net/temp/treemenu/async.asp 源代码下载:http://asp2004.net/temp/treemenu.rar <%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--#include file="conn.asp"--> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>http://asp2004.net</title> <link href="style.css" rel="stylesheet" type="text/css"> </head>
<body onLoad="exe(0);"> <script language="javascript" src="function.js"></script> <script language="javascript"> var isShow; var isLoad; isLoad = new ActiveXObject("Scripting.Dictionary"); //isShow = new ActiveXObject("Scripting.Dictionary"); function exe(id) { if (!isLoad.Exists(id)) { isLoad.add(id,''); loaddata(id); } /* if(isShow.Exists(id)) { isShow.Remove(id); } else { isShow.Add(id,''); } */ if (id>0) change1('a'+id,'b'+id); } function loaddata(id) { eval('c'+id).innerHTML = '正在加载。。。'; var xml = new ActiveXObject("Microsoft.XMLHTTP"); xml.open("GET","server.asp?id="+id,false); xml.send(); var returnvalue = unescape(xml.ResponseText); var m = returnvalue.split("#"); var str; str="<table border='0' cellspacing='0' cellpadding='0'>"; var i=0,len=m.length-1; for (;i<len;i++) { var n = m[i].split("*"); if ( n[0] > 0 )//有子节点 { var listtype; if ( i == len-1 )//最后一个 { str += "<tr colspan='2' onClick=exe('" + n[1] + "');><td id='b" + n[1] + "' class='menu3'>" + n[3] + "</td></tr>"; listtype="list1"; } else { str += "<tr colspan='2' onClick=exe('" + n[1] + "');><td id='b" + n[1] + "' class='menu1'>" + n[3] + "</td></tr>"; listtype="list"; } str += "<tr id='a" + n[1] + "' style='display:none'><td id='c" + n[1] + "' class='" + listtype + "'></td>"; } else//叶子节点 { if ( i == len-1 )//最后一个 { str += "<tr><td id='b" + n[1] + "' class='file1'><a href='" + n[4] + "' target='_blank'>" + n[3] + "</a></td></tr>"; } else { str += "<tr><td id='b" + n[1] + "' class='file'><a href='" + n[4] + "' target='_blank'>" + n[3] + "</a></td></tr>"; } } } str += "</table>"; eval('c'+id).innerHTML = str; } </script> <a href="menu.asp">后台管理</a> 异步调用:<br> <div id="c0"></div> </body> </html>

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