test.html
view plaincopy to clipboardprint?
<html> <head> <title>表单验证</title> <mce:script src="jquery-1.3.2.min.js" mce_src="jquery-1.3.2.min.js" type="text/javascript"></mce:script> <mce:script type="text/javascript"><!-- $(function(){ $("#username").blur(function(){ $.get("checkname.ashx", { username : $("#username").val() }, function (data, textStatus){ $("#msg1").html(data).css("color","red"); } ); }) }) // --></mce:script> </head> <body> <form id="form1"> <p id="p1">用户名：<input type="text" name="username" id="username" /><span id="msg1"></span></p> </form> </body> </html> <html><head><title>表单验证</title><mce:script src="jquery-1.3.2.min.js" mce_src="jquery-1.3.2.min.js" type="text/javascript"></mce:script><mce:script type="text/javascript"><!--$(function(){ $("#username").blur(function(){ $.get("checkname.ashx", { username : $("#username").val() }, function (data, textStatus){ $("#msg1").html(data).css("color","red"); } ); }) })// --></mce:script></head><body><form id="form1"> <p id="p1">用户名：<input type="text" name="username" id="username" /><span id="msg1"></span></p></form></body></html>checkname.ashx
view plaincopy to clipboardprint?
<%@ WebHandler Language="C#" Class="checkname" %> using System; using System.Web; public class checkname : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; string username = context.Request.QueryString["username"]; if (username == "gdjlc") context.Response.Write("对不起，此用户名已注册。"); else context.Response.Write("恭喜，当前用户名可以注册。"); } public bool IsReusable { get { return false; } } } 本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/gdjlc/archive/2009/11/20/4840261.aspx