layui弹出层按钮提交iframe表单的方法

layer.open({
 id: 'LAY_layuipro', //设定一个id，防止重复弹出
 type: 2,
 title:'添加人员信息',
 area: ['600px','340px'],
 btn: ['保存','关闭'],
 yes: function(index, layero){
 var inputForm = $(window.frames["layui-layer-iframe" + index].document).contents().find("#userForm");
 inputForm.ajaxSubmit({
 url:'<%=path%>/version/demand/saveDemand',
 type:'post',
 dataType:'json',
 success:function(result){
 if(result.data=='ok'){
 layer.closeAll();
 layer.alert("添加成功！")
 reloadData();//重新加载列表
 }
 }
 });
 },btn2: function(){
 layer.closeAll();
 },content: '<%=path%>/user/toAdd'
 })