1 $(function(){
 2         $("#email").blur(function(){
 3         var email=$("#email").val();
 4         if(email==null || email==""){
 5         $("#samp").html("邮箱不能为空！");
 6         }
 7         else{
 8         $.get("userServlet","email="+email,callBack);
 9         function callBack(data){
10         if(data=="true"){
11          $("#samp").html("邮箱已被注册！");
12         }
13         else{
14          $("#samp").html("邮箱可注册！");
15         }
16         }
17         }
18         });
19
20    });

 1 $.getJSON("userServlet","por=top",callTopics);
 2
 3     function callTopics(top){
 4
 5         var $userul=$("#userul").empty();
 6         for(var i=0;i<top.length;){
 7             //alert("ddd");
 8             $userul.append(
 9                     "<li>"+top[i].topics+"&nbsp;&nbsp;<a href=''>修改</a>&nbsp;&nbsp;<a href=''>删除</a></li>"
10                     );
11             i++;
12         if(i==top.length){
13
14                 break;
15             }
16         }
17     }

 1 $.ajax({
 2     "url":"userServlet",
 3     "type":"GET",
 4     "data":"por=top1",
 5     "dataType":"html",
 6     "success":callTopics
 7 });
 8         function callTopics(data){
 9             $("#userul").html(data);
10         }

$("#userul").load("userServlet","por=top1");

 1 if(por.equals("addCom")){
 2             //上机5添加评论
 3             comment com=new comment();
 4             commentdao comdao=new commentimpl();
 5             String name=request.getParameter("cauthor1");
 6             String ip=request.getParameter("cip");
 7             String content=request.getParameter("ccontent");
 8             String ctime="2017-7-4";
 9             //time.toString();
10             com.setCname(name);
11             com.setCcontent(content);
12             com.setCip(ip);
13             com.setCtime(ctime);
14             int re=comdao.addcomment(com);
15             String result="";
16             if(re>0){
17                 result="success";
18             }else {
19                 result="添加失败！";
20             }
21
22
23             response.setContentType("text/html;charset=UTF-8");
24             PrintWriter out=response.getWriter();
25             out.print("[{\"result\":\""+result+"\",\"ctime\":\""+ctime+"\"}]");
26             out.flush();
27             out.close();
28
29         }

    topdao nd=new topimpl();List<top> listtop=nd.alltop();String titleJson=JSON.toJSONStringWithDateFormat(listtop,"yyyy-MM--dd HH:mm:ss");