// 下拉框树
var comboxWithTree = new Ext.form.ComboBox({
fieldLabel: '<b>所在地区</b>',
store: new Ext.data.SimpleStore({fields:[],data:[[]]}),
mode: 'local',
triggerAction:'all',
tpl: '<tpl for="."><div id="tree1"></div></tpl>',
displayField: 'key',
valueField: 'value',
emptyText: '请选择...'
});
var tree1 = new Ext.tree.TreePanel({
border: false,
root: new Ext.tree.AsyncTreeNode({
expanded: true,
children: [{
text: '石家庄',
leaf: true,
checked: true
text: '保定',
leaf: true,
checked: true
}),
rootVisible: false
});
comboxWithTree.on('expand',function() {
tree1.render('tree1');
});
