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我的MySQL隨機第二個端口分配給這樣的請求地址：MySQL的隨機分配第二個端口/ PHP
[2002]無法分配請求的地址（試圖通過TCP連接：//127.0.0.1：3306： 3306）
此行爲在我的本地主機和我的服務器上觸發，所以我想它可能是我的代碼。我通過一個自寫的類來連接，它只使用常量來連接（這是正確的，在這些常量中沒有第二個端口），所以我非常無知，爲什麼有時會觸發這種行爲，以及第二個端口來自哪裏從。發生此錯誤時，腳本的執行將終止。
如果有人想瀏覽，我在這篇文章中添加了這個類。
任何建議，歡迎修復或環繞此。
提前致謝！
class mysql{
protected $query = false;
protected $lastquery = false;
protected $result = false;
protected $row = false;
protected $args = array('');
protected static $mysqli = null;
public function __construct(\mysqli $mysqli = null){
self::$mysqli = $mysqli;
$this->establishAutoConnection();
}
// Tries to establish connection, if none is set.
protected function establishAutoConnection(){
IF(empty(self::$mysqli)):
SWITCH($_SERVER['SERVER_NAME']):
case 'localhost':
self::$mysqli = new mysqli(MYSQL_HOST, MYSQL_USER, MYSQL_PASSWD, MYSQL_DATABASE);
break;
case 'AN IP.IP.IP':
$this->connectToSlave();
break;
default:
self::$mysqli = new mysqli(MYSQL_HOST_SERVER, MYSQL_USER_SERVER, MYSQL_PASSWD_SERVER, MYSQL_DATABASE_SERVER);
ENDSWITCH;
ENDIF;
}
public function connectToSlave(){
self::$mysqli = new mysqli(SLAVE_HOST_SERVER, SLAVE_USER_SERVER, SLAVE_PASSWD_SERVER, SLAVE_DATABASE_SERVER);
}
public function connectToMaster(){
self::$mysqli = new mysqli(MASTER_HOST_SERVER, MASTER_USER_SERVER, MASTER_PASSWD_SERVER, MASTER_DATABASE_SERVER);
}
// Sets the PDO arguments, which need to be replaced by '?'
public function setArgs(&$data, $type = false){
$type = $type ?: $this->getTypeString($data);
$this->args[0] .= $type;
$this->args[] = &$data;
return $this;
}
// Reset function needs to be called in order to make a new query.
public function reset(){
$this->args = array('');
$this->row = false;
$this->result = false;
return $this;
}
// Loops through the found results.
public function loopThroughResults(){
return ($this->row = $this->result->fetch_assoc())
? true
: false;
}
// Returns the row unformatted. If no result is found an emtpy array is returned.
public function getRow(){
$this->row = $this->row ?: $this->result->fetch_assoc();
return $this->row ?: array();
}
// Returns the first result of the first row.
public function getSingleResult(){
FOREACH($this->getRow() as $assoc => $value):
return $value ?: false;
ENDFOREACH;
return false;
}
// Returns the result by rowname
public function getByName($name){
return isset($this->row[$name])
? $this->row[$name]
: false;
}
// If a new query is made, while the former query has not been resetted, a warning is stored or an error is thrown.
protected function isResetted(){
IF($this->result):
$this->warning("PDO has not been resetted from query: ". $this->lastquery ." // new query: ". $this->query);
ENDIF;
}
// Executes the prepared query.
public function query($sql){
$this->query = $sql;
$this->isResetted();
$this->lastquery = $sql;
IF($prep = self::$mysqli->prepare($this->query)):
IF(count($this->args) > 1):
call_user_func_array(array($prep, 'bind_param'), $this->args);
ENDIF;
$prep->execute();
$this->result = $prep->get_result();
$prep->close();
ELSE:
$this->error("Query $sql failed to prepare.");
ENDIF;
}
// Automatically generates the string of types for the submitted params if not set. ("ssisdss") etc.
protected function getTypeString($string){
SWITCH(gettype($string)):
case 'string':
return 's';
case 'double':
return 'd';
case 'boolean':
case 'integer':
return 'i';
case 'array':
$this->error('Unserialized array submitted to PDO.');
break;
default:
$this->error('Unknown param type submitted to PDO. ' . print_r($string) . ' type: ' . gettype($string));
break;
ENDSWITCH;
}
protected function error($msg){
IF(!new error($msg)):
trigger_error($msg);
ENDIF;
}
protected function warning($msg){
IF(!new warning($msg)):
trigger_error($msg);
ENDIF;
}
}