jbox小型交互表单（ajax）

function updateval(id){
var url = '${ctx}/zbapp/ranking/zbappRankingList/form?id=${zbappRankingList.id}';
var html = "<div style='padding:10px;'>输入修改后的聊豆：<input type='text' id='withdrawals' name='withdrawals' /></div>";
var submit = function (v, h, f) {
if (f.withdrawals == '') {
$.jBox.tip("聊豆不能为空。", 'error', { focusId: "withdrawals" }); // 关闭设置 yourname 为焦点
return false;
}

$.jBox.tip("你输入的聊豆值为：" + f.withdrawals);

// $.jBox.tip("你叫：" + h.find("#withdrawals").val());
// $.jBox.tip("你叫：" + h.find(":input[name='withdrawals']").val());

return true;
};

$.jBox(html, { title: "修改提现聊豆", submit: submit });

}