js

function change() {var id = document.getElementById("a").value;if(id == 0) {alert("请选择");}var param = "&a="+id;base.req('/option.do?action=get'+param,'',function(result){var data = base.json(result);for(var key in data){ //第一层循环取到各个list var List = data[key]; for(var student in List){ //第二层循环取list中的对象 alert(List[student].id); alert(List[student].name); } } return;},"");}