今天，幫羣友解決了一個動態的 Ext工具欄菜單問題。
工具欄菜單數據是從後臺讀取的。效果如圖：
這裏將羣友提供的後臺數據簡化一下，改成本地讀取json數據格式；
代碼如下：直接copy下面代碼，保存成htm文件，導入ext包，可以運行；注意文件保存編碼格式（非傳輸編碼）：utf-8
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> Ext工具欄菜單_wayfoon </title>
<link rel="stylesheet" type="text/css" href="ext22/resources/css/ext-all.css" />
<script type="text/javascript" src="ext22/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext22/ext-all.js"></script>
<script type="text/javascript" src="ext22/ext-lang-zh_CN.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body>
<script>
Ext.onReady(function(){
var bd = Ext.getBody();
var tb=new Ext.Toolbar();
//加載Menu數據源 簡化的
var menuStr = '{root:[{"MenuItemId":1000,"PMenuItemId":0,"MenuItemName":"諧波監測點","MenuItemHref":"","ChildHmMenuList":[{"MenuItemId":10001,"PMenuItemId":1000,"MenuItemName":"用戶諧波源管理","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10002,"PMenuItemId":1000,"MenuItemName":"檢測終端維護","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10003,"PMenuItemId":1000,"MenuItemName":"監測點屬性維護","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10004,"PMenuItemId":1000,"MenuItemName":"監測點拓撲維護","MenuItemHref":"","ChildHmMenuList":null}]},{"MenuItemId":1001,"PMenuItemId":0,"MenuItemName":"諧波分析","MenuItemHref":"","ChildHmMenuList":[{"MenuItemId":10011,"PMenuItemId":1001,"MenuItemName":"諧波電壓分析","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10012,"PMenuItemId":1001,"MenuItemName":"諧波電流分析","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10013,"PMenuItemId":1001,"MenuItemName":"越限告警事項","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10014,"PMenuItemId":1001,"MenuItemName":"諧波數據報表","MenuItemHref":"","ChildHmMenuList":null}]},{"MenuItemId":1002,"PMenuItemId":0,"MenuItemName":"諧波高級分析","MenuItemHref":"","ChildHmMenuList":[{"MenuItemId":10021,"PMenuItemId":1002,"MenuItemName":"諧波趨勢分析","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10022,"PMenuItemId":1002,"MenuItemName":"潮流計算","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10023,"PMenuItemId":1002,"MenuItemName":"諧波源定位","MenuItemHref":"","ChildHmMenuList":null}]},{"MenuItemId":1003,"PMenuItemId":0,"MenuItemName":"系統管理","MenuItemHref":"","ChildHmMenuList":[{"MenuItemId":10031,"PMenuItemId":1003,"MenuItemName":"組織結構管理","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10032,"PMenuItemId":1003,"MenuItemName":"權限管理","MenuItemHref":"","ChildHmMenuList":null},{"MenuItemId":10033,"PMenuItemId":1003,"MenuItemName":"諧波限值管理","MenuItemHref":"","ChildHmMenuList":null}]}]}';
var menuObj = eval("(" + menuStr + ")");
//alert(menuObj.root);
var panel=new Ext.Panel({
title:"wayfoon",
width:400,
height:200,
tbar:tb,
html:"<div>Paele裏面的內容<br>wayfoon 南極光</div>",
renderTo: bd
});
//var tbItem;
var childmenu;
Ext.each(menuObj.root,function(item) {
childmenu = new Ext.menu.Menu();
Ext.each(item.ChildHmMenuList,function(childItem) {
childmenu.add(
{
text: childItem.MenuItemName, //菜單項的文本，
href: childItem.MenuItemHref, //指定鏈接地址
hrefTarget: "_blank" //鏈接打開的髮式，在新窗口打開
});
}); //end childitem
tb.add({ text: item.MenuItemName, menu: childmenu });
});
});
</script>
</body>
</html>