根据后台数据动态创建CheckboxGroup的例子

Ext.Ajax.request({
	url: 'control/privilege/EmployeeManage-privilegeGroupSetUI.action?username='+ username,
	callback: function(options,success,response){
		if(success = true){
        	var obj = eval( "(" + response.responseText + ")" );
        	//拼接checkbox子项目
        	var checkboxitems="";
        	for(var i = 0;i