写了一段
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
HttpSession session=request.getSession();
Long points=Long.parseLong(request.getParameter("points"));
Tbluser tbluser=(Tbluser) session.getAttribute("user");
UserDao userDao=new UserDao();
if(points<50){
out.print({out.print("<script> alert('请确认您的账号密码!'); </script>"););
}else{
points=points-50;
tbluser.setPoints(points);
userDao.update(tbluser);
out.print(points);
out.close();
}
但是不单框,跪求解答
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
HttpSession session=request.getSession();
Long points=Long.parseLong(request.getParameter("points"));
Tbluser tbluser=(Tbluser) session.getAttribute("user");
UserDao userDao=new UserDao();
if(points<50){
out.print({out.print("<script> alert('请确认您的账号密码!'); </script>"););
}else{
points=points-50;
tbluser.setPoints(points);
userDao.update(tbluser);
out.print(points);
out.close();
}
但是不单框,跪求解答
}
少打一个也就罢了,还少打2个字符。。
"但是不单框",这句啥意思,没看懂
我的意思是用alert不弹框看不懂就算了。
直接这样。
我的意思是让你把你写的 out.print改成我给你说的。
你的servlet可以out.print(x(根据你的需求写));然后在ajax的回调函数去取得结果,然后进行判断,最后alert
var result = xmlHttp.responseText;
if(result xxx){
alert('请确认您的账号密码!');
}