php数据库

     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><style>.error {color: red;}</style><?php //检查（1）邮箱、密码、昵称是否为空；（2）邮箱格式是否正确。global $emailErr,$passErr,$nicknameErr; $emailErr = $passErr = $nicknameErr = "";//$user_email = $user_pass = $user_nickname = "";if (empty($_POST["user_email"]))        {$emailErr = "不可为空";}    else     {        if (!preg_match("/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/",$_POST["user_email"])) {$emailErr = "email格式不正确";}         else {$emailErr="ok";}     }if (empty($_POST["user_pass"]))         {$passErr = "不可为空";}        else {$passErr = "ok";}if (empty($_POST["user_nickname"]))     {$nicknameErr = "不可为空";}    else {$nicknameErr = "ok";}?>

">

注册一个新用户^_^

邮箱：*

密码：*

昵称：*

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