我只是從mysql_ *切換到PDO,因爲我讀了mysql_ *將在未來被刪除,現在我不知道要插入,更新抽象我當前類和刪除操作PDO ,也許有人可以指出如何將它翻譯成基於PDO的?使抽象的PDO類
這是我處理所有的連接和其他相關功能連接類(我已經做這一個PDO所以這個沒問題)
<?php
require_once(folder.ds."constants.php");
class MySQLDatabase {
private $dbh;
private $host = DB_SERVER;
private $dbname = DB_NAME;
private $stmt;
public $query_terakhir;
public $error_text;
function __construct(){
$this->open_connection();
}
public function open_connection(){
$dsn = 'mysql:host=' . $this->host . ';dbname=' . $this->dbname;
$options = array(
PDO::ATTR_PERSISTENT => true,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
);
try{
$this->dbh = new PDO($dsn,DB_USER,DB_PASS,$options);
}
catch(PDOException $e) {
date_default_timezone_set('Asia/Jakarta');
$dt = time();
$waktu = strftime("%Y-%m-%d %H:%M:%S", $dt);
$log = array_shift(debug_backtrace());
file_put_contents('PDOErrors.txt',$waktu. ": " .$e->getMessage(). ": " .$log['file']. ": line " .$log['line']. "\n", FILE_APPEND);
}
}
public function query($sql){
$this->stmt = $this->dbh->prepare($sql);
}
public function bind($param, $value, $type = null){
if (is_null($type)) {
switch (true) {
case is_int($value):
$type = PDO::PARAM_INT;
break;
case is_bool($value):
$type = PDO::PARAM_BOOL;
break;
case is_null($value):
$type = PDO::PARAM_NULL;
break;
default:
$type = PDO::PARAM_STR;
}
}
$this->stmt->bindValue($param, $value, $type);
}
public function execute(){
return $this->stmt->execute();
}
public function fetchall(){
return $this->stmt->fetchAll(PDO::FETCH_ASSOC);
}
public function fetch(){
return $this->stmt->fetch(PDO::FETCH_ASSOC);
}
public function rowCount(){
return $this->stmt->rowCount();
}
public function lastInsertId(){
return $this->dbh->lastInsertId();
}
public function beginTransaction(){
return $this->dbh->beginTransaction();
}
public function endTransaction(){
return $this->dbh->commit();
}
public function cancelTransaction(){
return $this->dbh->rollBack();
}
public function debugDumpParams(){
return $this->stmt->debugDumpParams();
}
}
$database = new MySQLDatabase();
?>
,這裏是我班的一個幫助我不要保存(創建或更新),刪除等,這個類我只需要改變我的表的字段和公共$ XXXXX $ nama_tabel對錶的名稱,$ db_fields我的表中的字段匹配和創建,更新和刪除功能工作完全...
但PDO我只是無法弄清楚如何使它工作的創建,更新和刪除機智小時上面相同的方法....
<?php
require_once('database.php');
class staff{
public static $nama_tabel="staff";
protected static $db_fields = array('id','name','job');
public $id;
public $name;
public $job;
private function has_attribute($attribute){
$object_var = $this->attributes();
return array_key_exists($attribute,$object_var);
}
protected function attributes(){
$attributes = array();
foreach(self::$db_fields as $field){
if(property_exists($this, $field)){
$attributes[$field] = $this->$field;
}
}
return $attributes;
}
protected function sanitized_attributes(){
global $database;
$clean_attributes = array();
foreach($this->attributes() as $key => $value){
$clean_attributes[$key] = $database->escape_value($value);
}
return $clean_attributes;
}
public function create(){
global $database;
$attributes = $this->sanitized_attributes();
$sql = "INSERT INTO " .self::$nama_tabel." (" ;
$sql .= join(", ", array_keys($attributes));
$sql .=")VALUES('";
$sql .= join("', '", array_values($attributes));
$sql .= "')";
if($database->query($sql)){
$this->id_kategori = $database->insert_id();
return true;
}else{
return false;
}
}
public function update(){
global $database;
$attributes = $this->sanitized_attributes();
$attribute_pairs = array();
foreach($attributes as $key => $value){
$attribute_pairs[] = "{$key}='{$value}'";
}
$sql ="UPDATE " .self::$nama_tabel." SET ";
$sql .= join(", ", $attribute_pairs);
$sql .=" WHERE id=" . $database->escape_value($this->id);
$database->query($sql);
return($database->affected_rows() == 1) ? true : false;
}
public function delete(){
global $database;
$sql = "DELETE FROM " .self::$nama_tabel;
$sql .= " WHERE id=". $database->escape_value($this->id);
$sql .= " LIMIT 1";
$database->query($sql);
if(!empty($this->gambar)){
$target = website .ds. $this->upload_dir .ds. $this->gambar;
unlink($target);
}
return($database->affected_rows() == 1) ? true : false;
}
}
?>
更新:這是我的方法從更新功能調整從GolezTrol,但不插入值,而不是之後創建函數插入它的名字=:名稱和含量=:內容等 更新:它已經固定!這裏是正確的
public function create(){
global $database;
$attributes = $this->attributes();
$attribute_pairs = array();
foreach($attributes as $key => $value){
$attribute_pairs[] = ":{$key}";
}
$sql = "INSERT INTO " .self::$nama_tabel." (" ;
$sql .= join(", ", array_keys($attributes));
$sql .=")VALUES(";
$sql .= join(", ", $attribute_pairs);
$sql .= ")";
$database->query($sql);
foreach($attributes as $key => $value){
$database->bind(":$key", $value);
}
if($database->execute()){
$this->id = $database->lastInsertId();
return true;
}else{
return false;
}
}
月2日更新:我遇到了一些奇怪的事情在同時,在那裏我做的,而與同時裏面我檢查該字段ID與我的其他表ID相等的,那麼我會告訴循環操作該ID名稱字段......這顯示,但回採我while循環,所以我只得到1行while循環(它應該顯示40行)
$database->query($sql_tampil);
$database->execute();
while($row = $database->fetch()){
$output = "<tr>";
if(!empty($row['id']))
$output .="<td><a data-toggle=\"tooltip\" data-placement=\"top\"
title=\"Tekan untuk mengubah informasi kegiatan ini\"
href=\"ubah_cuprimer.php?cu={$row['id']}\"
>{$row['id']}</a></td>";
else
$output .="<td>-</td>";
if(!empty($row['name'])){
$y = "";
$x = $row['name'];
if(strlen($x)<=40)
$y = $x;
else
$y=substr($x,0,40) . '...';
$output .="<td><a data-toggle=\"tooltip\" data-placement=\"top\"
title=\"{$row['name']}\"
href=\"ubah_cuprimer.php?cu={$row['id']}\"
> {$y} </td>";
}else
$output .="<td>-</td>";
$wilayah_cuprimer->id = $row['wilayah'];
$sel_kategori = $wilayah_cuprimer->get_subject_by_id();
if(!empty($sel_kategori))
$output .="<td><a href=\"#\" class=\"modal1\"
data-toggle=\"tooltip\" data-placement=\"top\"
title=\"Tekan untuk mengubah kategori artikel ini\"
name={$row['id']}>{$sel_kategori['name']}</a></td>";
else
$output .="<td><a href=\"#\" class=\"modal1\"
data-toggle=\"tooltip\" data-placement=\"top\"
title=\"Tekan untuk mengubah kategori artikel ini\"
name={$row['id']}>Tidak masuk wilayah</a></td>";
if(!empty($row['content'])){
$content = html_entity_decode($row['content']);
$content = strip_tags($content);
$z = "";
$v = $content;
if(strlen($v)<=40)
$z = $v;
else
$z=substr($v,0,40) . '...';
$output .="<td><a data-toggle=\"tooltip\" data-placement=\"top\"
title=\"{$content}\"
href=\"ubah_cuprimer.php?cu={$row['id']}\"
>{$z}</a> </td>";
}else
$output .="<td>-</td>";
if(!empty($row['tanggal']))
$output .="<td>{$row['tanggal']}</td>";
else
$output .="<td>-</td>";
if(!empty($row['id']))
$output .="<td><button class=\"btn btn-default modal2\"
name=\"{$row['id']}\"
data-toggle=\"tooltip\" data-placement=\"top\"
title=\"Tekan untuk menghapus layanan ini\" ><span
class=\"glyphicon glyphicon-trash\"></span></button></td>";
else
$output .="<td>-</td>";
$output .="</tr>";
echo $output;
}
這裏是我的$ wilayah_cuprimer-> get_subject_by_id( );功能
public function get_subject_by_id(){
global $database;
$sql = "SELECT * ";
$sql .= "FROM ".self::$nama_tabel;
$sql .= " WHERE id = :id" ;
$sql .= " LIMIT 1";
$database->query($sql);
$database->bind(":id",$this->id);
$database->execute();
$array = $database->fetch();
return $array;
}
哇感謝你的幫助,它可以很好地用於更新的方法,但是當我試圖實施創造功能,它GVE輸入喜歡的名字我的領域則表現出表「NAME =:名稱」你可以點我在哪裏錯了? (我更新了我的問題以顯示我的插入方法) – PUCUK 2014-09-25 08:48:43
插入語法的語法略有不同,您可以寫入INSERT INTO TABLE(Field1,Field2)VALUES(Value1,Value2)'。因此,佔位符'Field1 =:Field1'不起作用。幸運的是,MySQL知道另一種插入語法,即INSERT INTO Table SET Field1 = Value1,Field2 = Value2'。這與更新語法非常相似,因此如果使用該語法,則可以使用幾乎相同的代碼。請參閱[MySQL插入語法](http://dev.mysql.com/doc/refman/5.6/en/insert。html) – GolezTrol 2014-09-25 09:55:40
哦好吧我已經修復了它......現在我正在改變while循環但遇到一些奇怪的事情......我做了一個while循環和while循環內我檢查這個行位置字段ID是否與ID相等在我的位置表中,它會顯示位置名稱並顯示!但之後,我的while循環停止...所以它只顯示1行數據...我將在後 – PUCUK 2014-09-25 10:16:36