dedecms里标签runphp实现变量自加自减,dede的channel标签嵌套实现数字序列

<!-- 二级联动 Start -->
<script language="JavaScript">
<!--
var subcat = new Array();
{dede:php}
global $abc;
$abc = 0;
{/dede:php}



{dede:channelartlist typeid='37'}
{dede:channel type='son' noself='yes'}
subcat[[field:global  name=abc runphp=yes] global $abc; $abc=$abc+1;echo $abc;[/field:global]] = new Array('[field:reid/]','[field:typename/]','[field:typelink/]')

{/dede:channel}
{/dede:channelartlist}

//subcat[1] = new Array('10','2','=2')

function changeselect1(locationid)
{
document.form1.s2.length = 0;
document.form1.s2.options[0] = new Option('==请选择==','');
for (i=0; i<subcat.length; i++)
{
if (subcat[i][0] == locationid)
{document.form1.s2.options[document.form1.s2.length] = new Option(subcat[i][1], subcat[i][2]);}
}
}


function gourl(url)
{
    window.location.href = url;    
}

//-->
</script>



<form name="form1">

<select name="s1" onChange="changeselect1(this.value)">
<option>==请选择==</option>
{dede:channelartlist typeid='37'}
<option value="{dede:field name='id'/}">{dede:field name='typename'/}</option>
{/dede:channelartlist}
</select>
<select name="s2" onChange="gourl(this.value);">
<option>==请选择==</option>
</select>
</form>
<!-- 二级联动 Over -->