servlet中存入了session
if(!result.equals("userwrong") && !result.equals("passwordwrong")){
request.getSession().setAttribute("username",result);
}
前端js:
success: function(data){
alert(data);
$("#head").html($.ajax({url: "head.jsp",async: false}).responseText);
}
head.jsp代码:
<%String username = (String)request.getSession().getAttribute("username");
if(username == null || username.equals("userwrong")){
通过ajax来重载部分页面却取不到session,这是为什么?