HTML：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>使用JQuery调用XML实现无刷新即时聊天</title> <script src="Jscript/jquery-1.8.2.min.js" type="text/javascript"></script> <style type="text/css" > body{font-size:13px} h3{ padding:0px; margin:8px 0px} .iframe{ width:260px; border: solid 1px #666} .iframe .title{padding:5px; background-color:#eee} .iframe .title .spnId{font-weight:bold; font-family:Arial} .iframe .content{ padding:8px; font-size:12px;} .iframe .content .lst{ height :180px; border: solid 1px #ccc; padding:3px; line-height:1.5em; overflow-y:scroll;} .iframe .content .nav{ color:#006EE} .iframe .content .nav .time, .iframe .content .msg{ margin-left:5px} .iframe .content .txt{ height:50px; width:238px; border:solid 1px #ccc} .btn {border:#666 1px solid;padding:2px;width:80px; filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr=#ffffff, EndColorStr=#ECE9D8);} </style> <script type="text/javascript"> $(function () { var $FormId = 1243242; var $SendId = 1234560; $("#spnSendId").html($SendId); setTimeout(showList($FormId, $SendId), 3000); $("#btnSend").click(function () { $.ajax({ url: 'Chat.ashx?s=' + $SendId + '&f=' + $FormId + '&c=' + txtA.value, success: function (data) { if (data == 1) { showList($FormId, $SendId); txtA.value = ""; } } }); }); function showList(f, s) { $.ajax({ url: 'Chat.xml', dataType: 'xml', success: function (data) { var $strUser = $(data).find("message"); var strHTML = ""; $strUser.each(function () { if (($(this).attr("fId") == f && $(this).attr("sId") == s) || ($(this).attr("fId") == s && $(this).attr("sId") == f)) { var strNav = $(this).attr("fId"); if (strNav == f) { strNav = "我说"; } strHTML += '<div><span>(' + strNav + ')</span><span class ="time">' + $(this).children("datetime").text() + '</span></div>'; strHTML += '<div>' + $(this).children("content").text() + '</div>'; } }); //显示处理后的数据 $("#chatList").html(strHTML); } }); } }) </script> </head> <body> <div> <div>德仔即时聊天与 (<span id="spnSendId"></span> )聊天中 </div> <div class ="content"> <div id="chatList"></div> </div> <div> <textarea id="txtA"></textarea> <input id="btnSend" type="button" value="发送" /> </div> </div> </body> </html>
Chat.ashx:
<%@ WebHandler Language="C#" %> using System; using System.Web; using System.Xml; public class Chat : IHttpHandler { public void ProcessRequest (HttpContext context) { context.Response.ContentType = "text/plain"; string strContent = context.Request.QueryString["c"].ToString(); string strFromId = context.Request.QueryString["f"].ToString(); string strSendId = context.Request.QueryString["s"].ToString(); int intSuccess = 0; string strDate = DateTime.Now.ToString("HH:mm:ss"); XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(context.Server.MapPath("Chat.xml")); XmlNode root = xmlDoc.SelectSingleNode("chat"); XmlElement xmlE = xmlDoc.CreateElement("message"); xmlE.SetAttribute("fId", strFromId); xmlE.SetAttribute("sId", strSendId); XmlElement xmlEd = xmlDoc.CreateElement("datetime"); xmlEd.InnerText = strDate; xmlE.AppendChild(xmlEd); XmlElement xmlEc = xmlDoc.CreateElement("content"); xmlEc.InnerText = strContent; xmlE.AppendChild(xmlEc); root.AppendChild(xmlE); xmlDoc.Save(context.Server.MapPath("Chat.xml")); intSuccess = 1; } catch(Exception ex) { throw ex; } context.Response.Write(intSuccess); } public bool IsReusable { get { return false; } } }
以上所述是小编给大家介绍的使用jQuery调用XML实现无刷新即时聊天，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言哦！