var form = Ext.create("Ext.form.FormPanel", {
columnWidth:.2,
layout:'form',
items:{
id:'flowTypeId',
xtype:'lovcombo',
hiddenName:'test',
fieldLabel:"test",
triggerAction:"all",
        lazyRender : true,
        editable: false,
        allowBlank : true,
        mode:"local",
        displayField:"name",
        valueField:"id",
        store : new Ext.data.ArrayStore({
        fields:['id','name'],
        data:[[1,"同城"],[2,"區內跨市"],[8,"跨大區"],[7,"大區內跨分撥區"],[6,"分撥區內跨板塊"]]
        }),
        showSelectAll:true,
        emptyText:"全部"
}
});
 

如果需要重新載入：

先獲取到對應得store

呼叫 store.loadData([1,"同城"],[2,"區內"]);就可以對下拉選項進行修改