Javascript:ajax
Ajax:get
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AjaxDemo.aspx.cs" Inherits="CZBK.ItcastProject.WebApp._2015_6_2.AjaxDemo" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <script src="../Js/jquery-1.7.1.js"></script> <script type="text/javascript"> $(function () { $("#btnGetDate").click(function () { //开始通过AJAX向服务器发送请求. var xhr; if (XMLHttpRequest) {//表示用户使用的高版本IE，谷歌，狐火等浏览器 xhr = new XMLHttpRequest(); } else {// 低IE xhr=new ActiveXObject("Microsoft.XMLHTTP"); } xhr.open("get", "GetDate.ashx?name=zhangsan&age=12", true); xhr.send();//开始发送 //回调函数:当服务器将数据返回给浏览器后，自动调用该方法。 xhr.onreadystatechange = function () { if (xhr.readyState == 4) {//表示服务端已经将数据完整返回，并且浏览器全部接受完毕。 if (xhr.status == 200) {//判断响应状态码是否为200. alert(xhr.responseText); } } } }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <input type="button" value="获取服务端时间" id="btnGetDate" /> </div> </form> </body> </html>
Ajax:post
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AjaxPostDemo.aspx.cs" Inherits="CZBK.ItcastProject.WebApp._2015_6_2.AjaxPostDemo" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <script src="../Js/jquery-1.7.1.js"></script> <script type="text/javascript"> $(function () { $("#btnPost").click(function () { var xhr; if (XMLHttpRequest) { xhr = new XMLHttpRequest(); } else { xhr = new ActiveXObject("Microsoft.XMLHTTP"); } xhr.open("post", "GetDate.ashx", true); xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xhr.send("name=zhangsan&pwd=123"); xhr.onreadystatechange = function () { if (xhr.readyState == 4) { if (xhr.status == 200) { alert(xhr.responseText); } } } }); }); </script> </head> <body> <form id="form1" runat="server" > <div> <input type="button" value="获取数据" id="btnPost" /> </div> </form> </body> </html>
**服务器端可以自动判断Get/Post请求，来接受参数
using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace CZBK.ItcastProject.WebApp._2015_6_2 { /// <summary> /// GetDate 的摘要说明 /// </summary> public class GetDate : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; context.Response.Write(context.Request["name"]); //context.Request.Form[""] POST //context.Request.QueryString GET //context.Request[""] 服务器端自动判断 Post/Get } public bool IsReusable { get { return false; } } } }
Jquery:ajax
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JqueryAjax.aspx.cs" Inherits="CZBK.ItcastProject.WebApp._2015_6_2.JqueryAjax" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <script src="../Js/jquery-1.7.1.js"></script> <script type="text/javascript"> $(function () { $("#btnGet").click(function(){ $.get("GetDate.ashx", { "name": "lisi", "pwd": "123" }, function (data) { alert(data) }); }); $("#btnPost").click(function () { $.post("ShowDate.aspx", { "name": "lisi", "pwd": "123" }, function (data) { alert(data) }) }); $("#btnAjax").click(function () { $.ajax({ type: "POST", url: "GetDate.ashx", data: "name=John&location=Boston", success: function (msg) { alert("Data Saved: " + msg); } }); }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <input type="button" value="GET获取数据" id="btnGet" /> <input type="button" value="POST获取数据" id="btnPost" /> <input type="button" value="AJAX获取数据" id="btnAjax" /> </div> </form> </body> </html>