阿信请进来，还是你的无限关联菜单的问题。这次应该有挑战性。

keaizhong 2004-05-08 04:52:50

以下是我对你代码的一点点修改。
功能是添加选定项目下的关联菜单项目，不选就添加顶级。
我的问题是要是修改的其中项目应该如何从数据库里返回显示关联菜单项目？
如果没有表达清楚，就发短消息给我。谢谢了。
回顾：
xselect.js
==============
//**Power By Fason
//**Email : fason_pfx@hotmail.com
function Dsy()
{
this.Items = {};
}
Dsy.prototype.add = function(id,iArray)
{
this.Items[id] = iArray;
}
Dsy.prototype.Exists = function(id)
{
if(typeof(this.Items[id]) == "undefined") return false;
return true;
}

function change(c,v){
var str="0";
var dsy = window.select[c].dsy;
var s = window.select[c].Sel;
for(i=0;i<v;i++){ str+=("_"+document.getElementById(s[i]).selectedIndex);};
//alert(str);
document.all.temp.value += str+"|";
var ss=document.getElementById(s[v]);
with(ss){
length = 0;
if(dsy.Exists(str)){
var ar = dsy.Items[str];
for(i=0;i<ar.length;i++) {
var ot = ar[i][0];var ov = ar[i][1] ? ar[i][1] : ot;
options[length]=new Option(ot,ov);
}
options[length]=new Option("","");
options[length-1].selected = true;
}
else { options[0]=new Option("","");}
if(++v<s.length){change(c,v);}
else {
document.all.menustep.value = document.all.temp.value.split("|")[0];
document.all.temp.value = "";
}
}

}

function setup(iDsy,iS)
{
if(!window.select)
{ window.select = new Array();};
var counter = window.select.length;
window.select[counter] = { dsy: iDsy, Sel: iS };
//for(i=0;i<iS.length-1;i++)
//document.getElementById(iS[i]).onchange=new Function("change("+counter+","+(i+1)+")");
//change(counter,(i+1));
change(counter,0);
}

abc.php
==============
<?php
include("../connections/conn.php");

if($_POST["menuname"] != ""){
$query = "insert into catalogs(menustep,menuname)values('".$_POST["menustep"]."','".$_POST["menuname"]."');";
$result = mysql_query($query);
if($result){
echo "<script>alert('Insert Success')</script>";
}
}

?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>

<body>
<hr>
多级关联菜单：
<form name="form1" method="post" action="">
<select id="s1" name="s111" onChange="change(0,1)"></select>
<select id="s2" name="s211" onChange="change(0,2)"></select>
<select id="s3" name="s311" onChange="change(0,3)"></select>
<select id="s4" name="s411"></select>
<input name="temp" type="hidden" id="temp">
<br>
Menu Step
<input name="menustep" type="text" id="menustep">
<br>
Menu Name
<input name="menuname" type="text" id="menuname" maxlength="255">
<input type="submit" name="Submit" value="提交">
</form>
<script language="JavaScript" src="xselect.js"></script>
<?php
$query = "select * from catalogs order by menuid,menustep";
$result = mysql_query($query) or die(mysql_error());
$script = '
<SCRIPT LANGUAGE = JavaScript>

</SCRIPT>
';
echo $script;
mysql_free_result($result);
?>

</body>
</html>

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