<html > <head> <title></title> <script src="https://www.jb51.net/js/Jquery1.7.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { $('#Button1').click(function () { var username = $('#txtUserName').val(); var pwd = $('#txtPwd').val(); $.ajax({ type: "post", contentType: "application/json", url: "WebService1.asmx/Login", data: "{username:'" + username + "',pwd:'" + pwd + "'}", success: function (bukeyi) { if (bukeyi.d == 'true') { window.location = 'HTMLPage1.htm'; } else { $('#divinfo').text("用户名或密码错误"); } } }) }) }) </script> </head> <body> 用户名<input type="text" /><br /> 密码<input type="text" /><br /> <input type="button" value="登录" /><br /> <div></div> </body> </html>
WebService1.asmx
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; namespace ajax11 { /// <summary> /// WebService1 的摘要说明 /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。 [System.Web.Script.Services.ScriptService] public class WebService1 : System.Web.Services.WebService { [WebMethod] public string HelloWorld() { return "Hello World"; } [WebMethod] public string ValidateUser(string username) { if (username == "onlifes") { return "用户名已被占用，请选择其他"; } else { return "可以使用，请继续"; } } [WebMethod] public string GetDate() { return DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"); } [WebMethod] public string Login(string username, string pwd) { if (username == "admin" && pwd == "888888") { return "true"; } else { return "false"; } } } }