ajax实现用户登录注册_ajax登录,ajax用户注册登录资源-CSDN文库

共26个文件

html：12个

php：6个

js：5个

ajax

5星 · 超过95%的资源需积分: 42 40 浏览量 2015-07-28 15:10:56 上传评论 12 收藏 118KB ZIP 举报

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ajaxteacher.zip （26个子文件）

ajaxteacher

jquery.js 286KB

ajaxiao.js 460B

yu.html 732B

kua.html 1KB

image

2.jpg 6KB

1.jpg 3KB

3.jpg 9KB

car.html 1KB

test

car.html 1KB

ajax.html 1KB

ajax.js 2KB

aja.js 1KB

car.php 962B

ajax.html 690B

ajax.js 2KB

test.html 2KB

register2.php 2KB

cross.html 1KB

ce.html 461B

user.html 1KB

mysql.php 1KB

test.php 368B

jq.html 1KB

car.php 886B

<?php if (isset($_GET['username'])) { $user = $_GET['username']; $user = get_magic_quotes_gpc() ? $user : addslashes($user); $conn = mysql_connect("localhost",'root','123456'); mysql_select_db('ht-18',$conn); mysql_query('SET NAMES utf8'); $sql = "SELECT id FROM `user` WHERE `username` = '$user'"; $query = mysql_query($sql); echo(mysql_num_rows($query)) > 0 ? 0 : 1; die; } ?> <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>用户注册</title> </head> <body> <form method="POST" action=""> 用户名：<input type="text" name="username" id="username" /> <span id="user_error"></span> <br /> 密码 : <input type="password" name="password" id="password" /> <br /> <input type="submit" name="register" value="注册" /> </form> <script type="text/javascript" src="ajax.js"></script> <script> document.getElementById('username').onblur = function() { document.getElementById('user_error').innerHTML = '检测中...'; var user = this.value; ajax_get(); http_request.open('GET','register.php?username='+user,true); http_request.send(null); http_request.onreadystatechange = function() { if(http_request.readyState == 4 && http_request.status == 200) { var result = http_request.responseText; // alert(result); if(result == 0) { document.getElementById('user_error').innerHTML = '该用户已经存在!'; } else if(result == 1) { document.getElementById('user_error').innerHTML = '恭喜！该用户可以注册'; } else { alert(result); } } } } </script> </body> </html>

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