显示字体和字号的菜单样式

var menu = new Ext.menu.Menu();
menu.add
(
     {
         text:"字号",
         menu:
         [
             new Ext.menu.CheckItem({text:"大",group:"font"}),
             new Ext.menu.CheckItem({text:"中",group:"font"}),
             new Ext.menu.CheckItem({text:"小",group:"font"})
         ]
     },
     {
         text:"字体",
         menu:
         [
             new Ext.menu.CheckItem({text:"加粗"}),
             new Ext.menu.CheckItem({text:"斜体"})
         ]
     }
}

下拉菜单的显示,点文件后就会出现图中所示的菜单

var btn1 = new Ext.Button
({
  text:"文件",cls: 'x-btn-text-icon',icon:"../Images/Menus/house.png",
  menu:
  [
      {text:"打开",icon:"../Images/Menus/house.png"},
      {text:"保存",icon:"../Images/Menus/house.png"},
      {text:"删除"},
      {text:"关闭"},
      {text:"退出"}
  ]
});
var btn2 = new Ext.Button
({
  text:"编辑",cls: 'x-btn-text-icon',icon:"../Images/Menus/house.png",
  menu:
  [
      {text:"复制",icon:"../Images/Menus/house.png"},
      {text:"拷贝",icon:"../Images/Menus/house.png"},
      '-',
      {text:"查找"},
      {text:"替换"}
  ]
});

var toolbar = new Ext.Toolbar
({
   width:300,height:200,items:[btn1,btn2],renderTo:"BuildMenu5"
});

日期菜单和颜色菜单样式的显示

var btn = new Ext.Button
({
    text:"其它",cls: 'x-btn-text-icon',icon:"../Images/Menus/house.png",
    menu:
    [
      {text:"选择日期",icon:"../Images/Menus/house.png",menu:new Ext.menu.DateMenu()},
      {text:"选择颜色",icon:"../Images/Menus/house.png",menu:new Ext.menu.ColorMenu()}
    ]
});
var toolbar = new Ext.Toolbar
({
   width:300,height:200,items:[btn],renderTo:"BuildMenu5"
});