基于php+ajax的注册用户名验证
reg.htm PHP+AJAX注册用户名验证 PHP+Ajax 用户名: 密 码: 服务器端db.php $v) { if(substr($v,0,2) == "%u") $ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,-4))); elseif(substr($v,0,3) == "") $ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1))); elseif(substr($v,0,2) == "") { $ar[$k] = iconv("UCS-2","UTF-8",pack("n",preg_replace("/[^\d]/","",$v))); } } return join("",$ar); } ?> sql CREATE TABLE `member` ( `id` int(11) NOT NULL auto_increment, `username` varchar(20) NOT NULL default '', `pwd` varchar(50) NOT NULL default '', PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=10 DEFAULT CHARSET=utf8 AUTO_INCREMENT=10 ; -- -- 导出表中的数据 `member` -- INSERT INTO `member` VALUES (8, 'admin', 'admin888'); INSERT INTO `member` VALUES (9, '测试', '测试');
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