RT,
js：
<script>
$(function() {
$('#login_button').unbind("click").bind("click",function() {
$.ajax({
type : 'POST',
url : '${pageContext.request.contextPath}/userBiz?action=login',
data : $('#login_form').serialize(),
success : function(data) {
if(data==1){
alert("登陆成功");
location.reload();
}
if (data== 2) {
alert("用户名或密码错误，请重新登录");
}
},
error :function(XMLHttpRequest, textStatus, errorThrown,dataType){
alert(XMLHttpRequest.status);
alert(XMLHttpRequest.readyState);
alert(textStatus);
alert(errorThrown);
alert(dataType);
}
})
})
})
</script>
servlet:
private void userLogin(HttpServletRequest request, HttpServletResponse response){
PrintWriter out = null;
User user = new User();
System.out.println("login执行中。。。。。。。。。。。。。。。。。。。。。。。。。");
user.setUser_account(request.getParameter("user_account"));
user.setUser_password(MD5Util.MD5(request.getParameter("user_password")));
UserService service = new UserServiceImpl();
user=service.userLogin(user);
System.out.println("执行登录");
if(user != null){
try {
out =response.getWriter();
out.print(1);
System.out.println("执行");
request.getSession().setAttribute("user",user);
} catch (Exception e) {
System.out.println(e);
}
}else{
try {
out =response.getWriter();
out.print(2);
} catch (IOException e) {
e.printStackTrace();
}
}
}
