网上看到的一个事例,其中包含了组件的定义拷贝下来供大家参考: 代码如下: Ext.onReady(function(){ var dtCategory=[ [‘all’,’所有种类’], [‘1′,’Beverages’], [‘2′,’Condiments’], [‘3′,’Confections’], [‘4′,’Dairy Products’], [‘5′,’Grains/Cereals’], [‘6’,’Meat/Poultry ‘], [‘7′,’Produce’], [‘8′,’Seafood’] ]; var stCategory=new Ext.data.SimpleStor