使用jQuery调用XML实现无刷新即时聊天

网络编程 2024/11/15 佚名

3 2 1

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="/UploadFiles/2021-04-02/jquery-1.8.2.min.js">

Chat.ashx:




<%@ WebHandler Language="C#" Class="Chat" %>
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！