php 注册时输入信息验证器的实现详解
程序员文章站
2023-01-02 18:10:50
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)复制代码 代码如下:
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)
<?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;
}
}
?>
2、在注册页面进行调用
$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>";
}
3.代码中error类用于记录验证时的错误信息
<?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;
}
}
?>
复制代码 代码如下:
<?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;
}
}
?>
2、在注册页面进行调用
复制代码 代码如下:
$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>";
}
3.代码中error类用于记录验证时的错误信息
复制代码 代码如下:
<?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;
}
}
?>
上一篇: php记录代码执行时间(实现代码)