服务器端代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | string action = context.Request ["action"]; if(action =="getpagecount") { var adapter = new T_CommentsTableAdapter(); int count = adapter.SelectCount ().Value; int pagecount = count / 10; if(count %10!= 0) { pagecount ++; } context .Response.Write(pagecount ); } else if (action== "getpagedata") { string pagenum = context.Request ["pagenum"]; int iPageNum = Convert.ToInt32 (pagenum); var adapter = new T_CommentsTableAdapter(); var data = adapter.GetPageData((iPageNum - 1 ) * 10+1 ,iPageNum*10);//得到所在页的评论 //新建Comment类的List List <Comment> list = new List< Comment>(); foreach ( var row in data ) { list .Add( new Comment() { PostDate = row.PostDate.ToShortDateString() , Msg = row.Msg }); } JavaScriptSerializer jss = new JavaScriptSerializer(); context .Response.Write(jss .Serialize(list));//转化成简单的Comment对象以后再进行序列化 } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | <script type ="text/javascript" > $ (function () { $ .post("PagedService.ashx" , { "action": "getpagecount" }, function (data, status) { for (var i = 1; i <= data; i ++) { var td = $ ("<td><a href=''>" + i + "</a></td>" ); $ ("#trPage" ).append (td); td .click(function (e) { e .preventDefault (); $ .post("PagedService.ashx" , { "action": "getpagedata" , "pagenum" : $ (this).text () }, function (data, status) { var comments = $.parseJSON (data); $ ("#ulComment" ).empty (); for (var i = 0; i < comments. length; i ++) { var comment = comments[ i]; var li = $ ("<li>" + comment. PostDate + ":" + comment. Msg + "</li>" ); $ ("#ulComment" ).append (li); } }); }); } }); }); </script></head ><body ><ul id ="ulComment" ></ul ><table ><tr id ="trPage" ></tr ></table > |
