Php OOP登录/注册
我是PHP新手,我正在为一门小修课做OOP登录/注册教程,这样就不适合我在www上发布的网站。一个小时或15小时后,我陷入了一段似乎不起作用的代码中。我试着和一个对PHP有更多了解的朋友一起解决这个问题,我搜索了谷歌,查看了多个论坛和所有YouTube评论,找到了一个解决方案,但我被卡住了。我知道所有其他代码都是正确的,因为它在以下情况下运行良好: 因此,我的问题是:什么是正确的PHP代码,以使独特的案例工作Php OOP登录/注册,php,mysql,oop,Php,Mysql,Oop,我是PHP新手,我正在为一门小修课做OOP登录/注册教程,这样就不适合我在www上发布的网站。一个小时或15小时后,我陷入了一段似乎不起作用的代码中。我试着和一个对PHP有更多了解的朋友一起解决这个问题,我搜索了谷歌,查看了多个论坛和所有YouTube评论,找到了一个解决方案,但我被卡住了。我知道所有其他代码都是正确的,因为它在以下情况下运行良好: 因此,我的问题是:什么是正确的PHP代码,以使独特的案例工作 case 'unique'
case 'unique'
$check =$this->_db->get($rule_value,array($item,"=",
$value));
line 40> if($check->count()){
$this->addError("{$item} bestaat al.");
with this error:
!)致命错误:在调用堆栈第40行的C:\wamp\www\websitegroop\classes\validate.php中对非对象调用成员函数count()
验证类:
class Validate {
private $_passed = false,
$_errors = array(),
$_db = null;
public function __construct() {
$this->_db = Database::getInstance();
}
public function check($source, $items = array()) {
foreach($items as $item => $rules) {
foreach($rules as $rule => $rule_value) {
$value = trim($source[$item]);
if($rule === 'required' && empty($value)) {
$this->addError("{$item} is required");
} else if(!empty($value)) {
switch($rule) {
case 'min':
if(strlen($value) < $rule_value) {
$this->addError("{$item} moet minimaal {$rule_value} letters of cijfers zijn.");
}
break;
case 'max':
if(strlen($value) > $rule_value) {
$this->addError("{$item} kan maximaal {$rule_value} letters of cijfers zijn.");
}
break;
case 'matches':
if($value != $source[$rule_value]) {
$this->addError("{$rule_value} moet hetzelfde zijn als {$item}.");
}
break;
case 'unique':
$check = $this->_db->get($rule_value, array($item, "=", $value));
if($check->count()){
$this->addError("{$item} bestaat al.");
}
break;
}
}
}
}
if(empty($this->_errors)) {
$this->_passed = true;
}
return $this;
}
private function addError($error) {
$this->_errors[] = $error;
}
public function errors() {
return $this->_errors;
}
public function passed() {
return $this->_passed;
}
}
类验证{
private$\u passed=false,
$\u errors=array(),
$_db=null;
公共函数构造(){
$this->_db=Database::getInstance();
}
公共函数检查($source,$items=array()){
foreach($items为$item=>$rules){
foreach($rules as$rule=>$rule\u值){
$value=trim($source[$item]);
如果($rule=='required'&&empty($value)){
$this->addError(“{$item}是必需的”);
}如果(!空($value)){
开关($规则){
案例“min”:
if(strlen($value)<$rule\u值){
$this->addError(“{$item}moet minimaal{$rule_value}cijfers zijn的字母”);
}
打破
案例“max”:
if(strlen($value)>rule_值){
$this->addError(“{$item}kan maximaal{$rule_value}cijfers zijn的字母”);
}
打破
案例“匹配”:
如果($value!=$source[$rule\u value]){
$this->addError(“{$rule_value}moet hetzelfde zijn als{$item}”);
}
打破
“唯一”情况:
$check=$this->\u db->get($rule\u value,array($item,“=”,$value));
如果($check->count()){
$this->addError(“{$item}bestaat al.”);
}
打破
}
}
}
}
if(空($this->\u错误)){
$this->_passed=true;
}
退还$this;
}
专用函数加法器($error){
$this->_errors[]=$error;
}
公共函数错误(){
返回$this->\u错误;
}
通过公共功能(){
返回$this->\u passed;
}
}
register.php:
<?php
require_once 'core/init.php';
if(Input::exists()) {
if(Token::check(Input::get('token'))) {
$validate = new Validate();
$validation = $validate->check($_POST, array(
'gebruikersnaam' => array(
'required' => true,
'min' => 3,
'max' => 30,
'unique' => 'groopklanten'
),
'paswoord' => array(
'required' => true,
'min' => 6,
),
'paswoord_nogmaals' => array(
'required' => true,
'matches' => 'paswoord'
),
'bedrijfsnaam' => array(
'required' => true,
'min' => 3,
'max' => 30,
),
'kvknr' => array(
'required' => true,
'min' => 8,
'max' => 8,
'unique' => 'groopklanten'
),
'contactpersoon' => array(
'required' => true,
'min' => 4,
'max' => 30,
),
'functie' => array(
'required' => true,
'min' => 4,
'max' =>30,
),
'telbedrijf' => array(
'required' => true,
'min' => 10,
'max' => 12,
'unique' => 'groopklanten'
),
'adres' => array(
'required' => true,
'min' => 4,
'max' => 40,
'unique' => 'groopklanten'
),
'afleveradres' => array(
'min' => 4,
'max' => 40,
),
'postcode' => array(
'required' => true,
'min' => 6,
'max' => 7,
),
'woonplaats' => array(
'required' => true,
'min' => 3,
'max' => 30,
),
'emailadres' => array(
'required' => true,
'min' => 5,
'max' => 30,
'unique' => 'groopklanten'
)
));
if($validate->passed()) {
echo 'geregistreerd';
} else {
foreach($validation->errors() as $error) {
echo $error, '<br>';
}
}
}
}
?>
<form action="" method="post">
<div class="field">
<label for="gebruikersnaam">Gebruikersnaam:</label>
<input type="text" name="gebruikersnaam" id="gebruikersnaam">
</div>
<div class="field">
<label for="paswoord">Kies een paswoord:</label>
<input type="password" name="paswoord" id="paswoord">
</div>
<div class="field">
<label for="paswoord_nogmaals">Nogmaals uw paswoord:</label>
<input type="password" name="paswoord_nogmaals" id="paswoord_nogmaals">
</div>
<div class="field">
<label for="bedrijfsnaam">Bedrijfsnaam:</label>
<input type="text" name="bedrijfsnaam" id="bedrijfsnaam">
</div>
<div class="field">
<label for="kvknr">KvK nummer:</label>
<input type="text" name="kvknr" id="kvknr">
</div>
<div class="field">
<label for="contactpersoon">Naam contactpersoon:</label>
<input type="text" name="contactpersoon" id="contactpersoon">
</div>
<div class="field">
<label for="functie">Functie:</label>
<input type="text" name="functie" id="functie">
</div>
<div class="field">
<label for="telbedrijf">Telefoonnummer bedrijf:</label>
<input type="tell" name="telbedrijf" id="telbedrijf">
</div>
<div class="field">
<label for="adres">Adres:</label>
<input type="text" name="adres" id="adres">
</div>
<div class="field">
<label for="afleveradres"> Afwijkend aflever adres:</label>
<input type="text" name="afleveradres" id="afleveradres">
</div>
<div class="field">
<label for="postcode">Postcode:</label>
<input type="text" name="postcode" id="postcode">
</div>
<div class="field">
<label for="woonplaats">Woonplaats:</label>
<input type="text" name="woonplaats" id="woonplaats">
</div>
<div class="field">
<label for="emailadres">E-mail adres:</label>
<input type="email" name="emailadres" id="emailadres">
</div>
<input type="hidden" name="token" value="<?php echo Token::generate(); ?>">
<input type ="submit" value="Register">
<input type="reset" name="reset" value="Reset Velden">
<p> Bij het verzenden gaat u automatisch akoord met de <a href="algemenevoorwaarden.html"> algemene voorwaarden!</a></p>
格布鲁伊克斯纳姆:
基斯·伊恩·帕斯沃德:
诺格马尔斯-帕斯沃德:
贝德里杰夫斯纳姆:
KvK nummer:
Naam联系人:
职能:
Telefoonnummer bedrijf:
地址:
Afwijkend aflever adres:
邮政编码:
Woonpaats:
电子邮件地址:
出现此错误的原因是,失败时action()
方法的返回值是布尔值。因此,如果您试图对布尔值调用count()
(这是无意义的,因为布尔值不能有方法),它将抛出该错误。相反,您应该首先检查返回值是否为对象,如下所示:
if ($check) { ... }
只要$check
是一个对象,它就应该传递这个if语句。然后你就可以正常进行了
以下是您可以尝试的:
// Make sure it's not false
if ($check) {
// Then count the errors
if ($check->count()) { ... }
}
随机注:
if ($check && $check->count()) { ... }
如果PHP没有检查&&
运算符的第二个参数(如果第一个参数等于false),则此代码也可以运行。只需随机记录即可保存行。出现此错误的原因是,失败时action()
方法的返回值是布尔值。因此,如果您试图对布尔值调用count()
(这是无意义的,因为布尔值不能有方法),它将抛出该错误。相反,您应该首先检查返回值是否为对象,如下所示:
if ($check) { ... }
只要$check
是一个对象,它就应该传递这个if语句。然后你就可以正常进行了
以下是您可以尝试的:
// Make sure it's not false
if ($check) {
// Then count the errors
if ($check->count()) { ... }
}
随机注:
if ($check && $check->count()) { ... }
如果PHP没有检查&&
运算符的第二个参数(如果第一个参数等于false),则此代码也可以运行。只是一张随机的便条来保存行
致命错误:在调用堆栈第40行的C:\wamp\www\websitegroop\classes\validate.php中对非对象调用成员函数count()
这是因为action()
方法返回false
而不是当前对象,这意味着您的查询无法执行。这主要有两个原因:
首先,看下面的代码片段。这里有一个小的语法错误
class Database {
private static $_instance = null;
private $_pdo,
$_qeury, // syntax error
...
应该是,
class Database {
private static $_instance = null;
private $_pdo,
$_query,
...
其次,您的语句$sql=“{$action}来自{$table}WHERE{$field}{$operator}{value}?”
insideaction()
方法错误,应该是这样的:
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
<?php
class Database {
private static $_instance = null;
private $_pdo,
$_query,
$_error = false,
$_result,
$_count = 0;
private function __construct() {
try {
$this->_pdo = new PDO('mysql:host=' . Config::get('mysql/host') . ';dbname=' . Config::get('mysql/db'), Config::get('mysql/username'), Config::get('mysql/password'));
} catch(PDOException $e) {
die($e->getMessage());
}
}
public static function getInstance() {
if(!isset(self::$_instance)) {
self::$_instance = new Database();
}
return self::$_instance;
}
public function query($sql, $params = array()) {
$this->_error = false;
if($this->_query = $this->_pdo->prepare($sql)) {
$x = 1;
if(count($params)) {
foreach($params as $param) {
$this->_query->bindValue($x, $param);
$x++;
}
}
if($this->_query->execute()) {
$this->_results = $this->_query->fetchALL(PDO::FETCH_OBJ);
$this->_count = $this->_query->rowCount();
} else {
$this->_error = true;
}
}
return $this;
}
public function action($action, $table, $where = array()) {
if(count($where) === 3) {
$operators = array('=', '>', '<', '>=', '<=');
$field = $where[0];
$operator = $where[1];
$value = $where[2];
if(in_array($operator, $operators)) {
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
if(!$this->query($sql, array($value))->error()) {
return $this;
}
}
}
return false;
}
public function get($table, $where) {
return $this->action('SELECT *', $table, $where);
}
public function delete($table, $where) {
return $this->action('DELETE *', $table, $where);
}
public function insert($table, $fields =array()) {
if(count($fields)) {
$keys = array_keys($fields);
$values = null;
$x = 1;
foreach($fields as $field) {
$values .= '?';
if ($x < count($fields)) {
$values .= ', ';
}
$x++;
}
$sql = "INSERT INTO groopklanten (`" . implode('`, `', $keys)."`) VALUES ({$values})";
if(!$this->query($sql, $fields)->error()) {
return true;
}
}
return false;
}
public function update($table, $id, $fields) {
$set = '';
$x = 1;
foreach($fields as $name => $value) {
$set .= "{$name} = ?";
if($x < count($fields)) {
$set .= ', ';
}
$x++;
}
$sql = "UPDATE {$table} SET {$set} WHERE id = {$id}";
if(!$this->query($sql, $fields)->error()) {
return true;
}
return false;
}
public function results() {
return $this->_results;
}
public function first() {
return $this->_results[0];
}
public function error() {
return $this->_error;
}
public function count() {
return $this->_count;
}
}
?>
因此,您的整个数据库类应该如下所示:
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
<?php
class Database {
private static $_instance = null;
private $_pdo,
$_query,
$_error = false,
$_result,
$_count = 0;
private function __construct() {
try {
$this->_pdo = new PDO('mysql:host=' . Config::get('mysql/host') . ';dbname=' . Config::get('mysql/db'), Config::get('mysql/username'), Config::get('mysql/password'));
} catch(PDOException $e) {
die($e->getMessage());
}
}
public static function getInstance() {
if(!isset(self::$_instance)) {
self::$_instance = new Database();
}
return self::$_instance;
}
public function query($sql, $params = array()) {
$this->_error = false;
if($this->_query = $this->_pdo->prepare($sql)) {
$x = 1;
if(count($params)) {
foreach($params as $param) {
$this->_query->bindValue($x, $param);
$x++;
}
}
if($this->_query->execute()) {
$this->_results = $this->_query->fetchALL(PDO::FETCH_OBJ);
$this->_count = $this->_query->rowCount();
} else {
$this->_error = true;
}
}
return $this;
}
public function action($action, $table, $where = array()) {
if(count($where) === 3) {
$operators = array('=', '>', '<', '>=', '<=');
$field = $where[0];
$operator = $where[1];
$value = $where[2];
if(in_array($operator, $operators)) {
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
if(!$this->query($sql, array($value))->error()) {
return $this;
}
}
}
return false;
}
public function get($table, $where) {
return $this->action('SELECT *', $table, $where);
}
public function delete($table, $where) {
return $this->action('DELETE *', $table, $where);
}
public function insert($table, $fields =array()) {
if(count($fields)) {
$keys = array_keys($fields);
$values = null;
$x = 1;
foreach($fields as $field) {
$values .= '?';
if ($x < count($fields)) {
$values .= ', ';
}
$x++;
}
$sql = "INSERT INTO groopklanten (`" . implode('`, `', $keys)."`) VALUES ({$values})";
if(!$this->query($sql, $fields)->error()) {
return true;
}
}
return false;
}
public function update($table, $id, $fields) {
$set = '';
$x = 1;
foreach($fields as $name => $value) {
$set .= "{$name} = ?";
if($x < count($fields)) {
$set .= ', ';
}
$x++;
}
$sql = "UPDATE {$table} SET {$set} WHERE id = {$id}";
if(!$this->query($sql, $fields)->error()) {
return true;
}
return false;
}
public function results() {
return $this->_results;
}
public function first() {
return $this->_results[0];
}
public function error() {
return $this->_error;
}
public function count() {
return $this->_count;
}
}
?>
致命错误:在调用堆栈第40行的C:\wamp\www\websitegroop\classes\validate.php中对非对象调用成员函数count()
这是因为action()
方法返回false
而不是当前对象,这意味着您的查询无法执行。这主要有两个原因:
首先,看下面的代码片段。这里有一个小的语法错误
class Database {
private static $_instance = null;
private $_pdo,
$_qeury, // syntax error
...
应该是,
class Database {
private static $_instance = null;
private $_pdo,
$_query,
...
其次,您的语句$sql=“{$action}来自{$table}WHERE{$field}{$operator}{value}?”
insideaction()
方法错误,应该是这样的:
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
<?php
class Database {
private static $_instance = null;
private $_pdo,
$_query,
$_error = false,
$_result,
$_count = 0;
private function __construct() {
try {
$this->_pdo = new PDO('mysql:host=' . Config::get('mysql/host') . ';dbname=' . Config::get('mysql/db'), Config::get('mysql/username'), Config::get('mysql/password'));
} catch(PDOException $e) {
die($e->getMessage());
}
}
public static function getInstance() {
if(!isset(self::$_instance)) {
self::$_instance = new Database();
}
return self::$_instance;
}
public function query($sql, $params = array()) {
$this->_error = false;
if($this->_query = $this->_pdo->prepare($sql)) {
$x = 1;
if(count($params)) {
foreach($params as $param) {
$this->_query->bindValue($x, $param);
$x++;
}
}
if($this->_query->execute()) {
$this->_results = $this->_query->fetchALL(PDO::FETCH_OBJ);
$this->_count = $this->_query->rowCount();
} else {
$this->_error = true;
}
}
return $this;
}
public function action($action, $table, $where = array()) {
if(count($where) === 3) {
$operators = array('=', '>', '<', '>=', '<=');
$field = $where[0];
$operator = $where[1];
$value = $where[2];
if(in_array($operator, $operators)) {
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
if(!$this->query($sql, array($value))->error()) {
return $this;
}
}
}
return false;
}
public function get($table, $where) {
return $this->action('SELECT *', $table, $where);
}
public function delete($table, $where) {
return $this->action('DELETE *', $table, $where);
}
public function insert($table, $fields =array()) {
if(count($fields)) {
$keys = array_keys($fields);
$values = null;
$x = 1;
foreach($fields as $field) {
$values .= '?';
if ($x < count($fields)) {
$values .= ', ';
}
$x++;
}
$sql = "INSERT INTO groopklanten (`" . implode('`, `', $keys)."`) VALUES ({$values})";
if(!$this->query($sql, $fields)->error()) {
return true;
}
}
return false;
}
public function update($table, $id, $fields) {
$set = '';
$x = 1;
foreach($fields as $name => $value) {
$set .= "{$name} = ?";
if($x < count($fields)) {
$set .= ', ';
}
$x++;
}
$sql = "UPDATE {$table} SET {$set} WHERE id = {$id}";
if(!$this->query($sql, $fields)->error()) {
return true;
}
return false;
}
public function results() {
return $this->_results;
}
public function first() {
return $this->_results[0];
}
public function error() {
return $this->_error;
}
public function count() {
return $this->_count;
}
}
?>
因此,您的整个数据库类应该如下所示:
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
<?php
class Database {
private static $_instance = null;
private $_pdo,
$_query,
$_error = false,
$_result,
$_count = 0;
private function __construct() {
try {
$this->_pdo = new PDO('mysql:host=' . Config::get('mysql/host') . ';dbname=' . Config::get('mysql/db'), Config::get('mysql/username'), Config::get('mysql/password'));
} catch(PDOException $e) {
die($e->getMessage());
}
}
public static function getInstance() {
if(!isset(self::$_instance)) {
self::$_instance = new Database();
}
return self::$_instance;
}
public function query($sql, $params = array()) {
$this->_error = false;
if($this->_query = $this->_pdo->prepare($sql)) {
$x = 1;
if(count($params)) {
foreach($params as $param) {
$this->_query->bindValue($x, $param);
$x++;
}
}
if($this->_query->execute()) {
$this->_results = $this->_query->fetchALL(PDO::FETCH_OBJ);
$this->_count = $this->_query->rowCount();
} else {
$this->_error = true;
}
}
return $this;
}
public function action($action, $table, $where = array()) {
if(count($where) === 3) {
$operators = array('=', '>', '<', '>=', '<=');
$field = $where[0];
$operator = $where[1];
$value = $where[2];
if(in_array($operator, $operators)) {
$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";
if(!$this->query($sql, array($value))->error()) {
return $this;
}
}
}
return false;
}
public function get($table, $where) {
return $this->action('SELECT *', $table, $where);
}
public function delete($table, $where) {
return $this->action('DELETE *', $table, $where);
}
public function insert($table, $fields =array()) {
if(count($fields)) {
$keys = array_keys($fields);
$values = null;
$x = 1;
foreach($fields as $field) {
$values .= '?';
if ($x < count($fields)) {
$values .= ', ';
}
$x++;
}
$sql = "INSERT INTO groopklanten (`" . implode('`, `', $keys)."`) VALUES ({$values})";
if(!$this->query($sql, $fields)->error()) {
return true;
}
}
return false;
}
public function update($table, $id, $fields) {
$set = '';
$x = 1;
foreach($fields as $name => $value) {
$set .= "{$name} = ?";
if($x < count($fields)) {
$set .= ', ';
}
$x++;
}
$sql = "UPDATE {$table} SET {$set} WHERE id = {$id}";
if(!$this->query($sql, $fields)->error()) {
return true;
}
return false;
}
public function results() {
return $this->_results;
}
public function first() {
return $this->_results[0];
}
public function error() {
return $this->_error;
}
public function count() {
return $this->_count;
}
}
?>
感谢您的快速回复