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2008-05-27
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本实例由论坛会员 脚本王子提供，感谢提供
<script>
Ext.onReady(function(){
var root=new Ext.tree.AsyncTreeNode({
id:'0',
text:'所有分类'
});
var data=new Ext.tree.TreeLoader({url:'_tree_json.php'});
var tree=new Ext.tree.TreePanel({
renderTo:'test',
root:root,
loader:data,
width:300
});
data.on('beforeload',function(treeLoader,node){
this.baseParams.id=node.attributes.id;
},data);
});
</script>
<div id="test"></div>
服务端的php代码：
<?php
require("conn.php");
$father_id=$_POST['id'];
function _count($father_id){
$count_req=mysql_query("select count(id) as count from kind where father_id=$father_id");
$count_num=mysql_fetch_array($count_req);
return $count_num['count'];
}
$count=_count($father_id);
$return=mysql_query("select * from kind where father_id=$father_id");
echo "[";
$i=1;
while ($req=mysql_fetch_array($return)) {
$id=$req['id'];
$name=$req['name'];
if (_count($id)>0) {
echo "{
id: $id,
text: '$name',
leaf: false
}";
}else {
echo "{
id: $id,
text: '$name',
leaf: true
}";
}
if ($i<$count) {
echo ",";
}
$i++;
}
echo "]";
?>
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