[b]1、对输入信息进行验证的类（主要用于验证用户名，密码，重复密码，邮箱，可添加其它功能）
[/b]
<?php
/**
* Validator for Register.
*/
final class RegisterValidator {
private function __construct() {
}
/**
* Validate the given username, password, repeat_password and email.
* @param $username, $password, $repeat_password and $email to be validated
* @return array array of {@link Error} s
*/
public static function validate($username, $password, $repeat_password, $email) {
$errors = array();
$username = trim($username);
$password = trim($password);
if (!$username) {
$errors[] = new Error('username', '用户名不能为空。');
} elseif (strlen($username)<3) {
$errors[] = new Error('username', '用户名长度不能小于3个字符。');
} elseif (strlen($username)>30) {
$errors[] = new Error('username', '用户名长度不能超过30个字符。');
} elseif (!preg_match('/^[A-Za-z]+$/',substr($username, 0, 1))) {
$errors[] = new Error('username', '用户名必须以字母开头。');
} elseif (!preg_match('/^[A-Za-z0-9_]+$/', $username)) {
$errors[] = new Error('username', '用户名只能是字母、数字以及下划线( _ )的组合。');
} elseif (!$password) {
$errors[] = new Error('password', '密码不能为空。');
} elseif (strlen($password)<6) {
$errors[] = new Error('password', '密码长度不能小于6个字符。');
} elseif (strlen($password)>30) {
$errors[] = new Error('password', '密码长度不能超过30个字符。');
} elseif (!preg_match('/^[A-Za-z0-9!@#\\$%\\^&\\*_]+$/', $password)) {
$errors[] = new Error('password', '密码只能是数字、字母或!@#$%^&*_等字符的组合。');
} elseif ($password != trim($repeat_password)) {
$errors[] = new Error('password', '两次输入密码不一致。');
} elseif (!Utils::isValidEmail($email)) {
$errors[] = new Error('email', '邮箱格式有误。');
} else {
// check whether user exists or not
$dao = new UserDao();
$user = $dao->findByName(trim($username));
if ($user) {
$errors[] = new Error('username', '该用户名已经被使用。');
}
$user = null;
// check whether email being used or not
$user = $dao->findByEmail(trim($email));
if ($user) {
$errors[] = new Error('email', '该邮箱已被注册。');
}
}
return $errors;
}
}
?>
[b]2、在注册页面进行调用
[/b]
$username = null;
$password = null;
$repeat_password = null;
$email = null;
$msg = "";
if (isset($_POST['username']) && isset($_POST['password'])
&& isset($_POST['repeat_password']) && isset($_POST['email'])) {
$username = addslashes(trim(stripslashes($_POST ['username'])));
$password = addslashes(trim(stripslashes($_POST ['password'])));
$repeat_password = addslashes(trim(stripslashes($_POST ['repeat_password'])));
$email = addslashes(trim(stripslashes($_POST ['email'])));
// validate
$errors = RegisterValidator::validate($username, $password, $repeat_password, $email);
// validate
if (empty($errors)) {
// save
$dao = new UserDao();
$user = new User();
$user->setEmail($email);
$last_login_ip = Utils::getIpAddress();
$user->setLastLoginIp($last_login_ip);
$user->setUsername($username);
$salt = substr(sha1(mt_rand()), 0, 22);
$hash_password = sha1($salt . $password);
$user->setPassword($hash_password);
$user->setSalt($salt);
$user = $dao->save($user);
if ($user) {
UserLogin::setUserInfo($user);
Flash::addFlash('注册成功！');
}
else {
Flash::addFlash('对不起，由于服务器内部错误，导致注册失败。请稍后再试。');
}
Utils::redirect('welcome');
}
foreach ($errors as $e) {
$msg .= $e->getMessage()."<br>";
}
[b]3.代码中Error类用于记录验证时的错误信息
[/b]
<?php
/**
* Validation error.
*/
final class Error {
private $source;
private $message;
/**
* Create new error.
* @param mixed $source source of the error
* @param string $message error message
*/
function __construct($source, $message) {
$this->source = $source;
$this->message = $message;
}
/**
* Get source of the error.
* @return mixed source of the error
*/
public function getSource() {
return $this->source;
}
/**
* Get error message.
* @return string error message
*/
public function getMessage() {
return $this->message;
}
}
?>
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