Ext.form.ComboBox服务器端加载数据

new Ext.Window({
width : 500,
height : 300,
items : new Ext.form.ComboBox({
id : 'combo1',
width : 150,
height : 30,
store : new Ext.data.JsonStore({
root : 'data',
fields : [{
name : 'FUNC_ID'
}, {
name : 'FUNC_TITLE'
}],
proxy : new Ext.data.ScriptTagProxy({
url : 'http://localhost:8080/server/map_t_func_list/listFunc.do'
}),
baseParams : {
systemGroup : 'WEB',
mobileIds : 'bdzfzl001,sgbj001'
}
}),
typeAhead : false,
loadingText : 'Searching...',
triggerAction : 'all',
lazyRender : true,
displayField : 'FUNC_TITLE'
})
}).show();

stcCallback1003({"data":[{"FUNC_ID":"bdzfzl001","FUNC_TITLE":"����վ������","FUNC_URL":"listView.html","ICON_URL":"./img/funButton/btn_bdzfzl.png","SHOW_ORDER":"6"},{"FUNC_ID":"sgbj001","FUNC_TITLE":"�¹ʱ���","FUNC_URL":"listView.html","ICON_URL":"./img/funButton/btn_sgbj.png","SHOW_ORDER":"9"}],"msg":null,"code":200})