Now I have a sign up modal #modal_A: when user click a link, popover the modal_A dialog, then user can submit his/her infor, but when the username is invalid, some error message should shown on the modal based on the struts2.Now I have a sign up modal #modal_A: when user
阅读背景：
在Modal上显示struts2操作错误消息
来源：互联网
分享到：
