服务器端
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 | <%@ WebHandler Language= "C#" Class= "PostComment" %> using System; using System.Web; using System.Text; public class PostComment : IHttpHandler { public void ProcessRequest (HttpContext context) { context .Response.ContentType = "text/plain" ; //context.Response.Write("Hello World"); var comments = new DataSetPostTableAdapters. T_PostsTableAdapter().GetData (); //获得数据 StringBuilder sb = new StringBuilder(); //建立字符串builder foreach ( var comment in comments ) { //将每个评论用‘&’字符分开,各个评论项目用‘|’分开 sb.Append( comment.IPAddr ).Append( "|" ).Append (comment.PostDate).Append ( "|" ).Append(comment .Msg). Append( "&" ); } context .Response.Write(sb .ToString().Trim( '&' )); //将评论相应给客户端 } public bool IsReusable { get { return false ; } } } |
客户端
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 | < head > < title ></ title > < script src = "Scripts/jquery-1.4.1.js" type = "text/javascript" ></ script > < script type = "text/javascript" > $ (function () { $ .post("PostComment.ashx" , function (data , status) { if (status != "success" ) { $ ("#ulcomment" ).append ($("< li >加载失败!</ li >" )); return; } var lines = data.split ("&" );//按照‘&’将评论分成数组 for (var i = 0; i < lines.length; i++) { var line = lines [i]; var fields = line.split ('|' );//对每个数组内部再进行划分成不同的区域,有时间,ip,内容 三项 var comment = $( "< li >IP地址:" + fields[ 0] + "发帖日期:" + fields[ 1] + "内容:" + fields[ 2] + "</ li >" ); $ ("#ulcomment" ).append (comment);//动态加载到网页中 } }); }); </ script > </ head > < body > < ul id ="ulcomment"> </ ul > </ body > </ html > |