Php 如何将mysql转换为PDO连接?
如何将下面的mysql代码转换为pdo连接?因为我有一些网络问题Php 如何将mysql转换为PDO连接?,php,mysql,pdo,Php,Mysql,Pdo,如何将下面的mysql代码转换为pdo连接?因为我有一些网络问题 $gaSql['user'] = "root"; $gaSql['password'] = ""; $gaSql['db'] = "test"; $gaSql['server'] = "localhost"; // DB connection function dbinit(&$gaSql) { // if error rezults 500 function fatal_error($sErrorMessage =
$gaSql['user'] = "root";
$gaSql['password'] = "";
$gaSql['db'] = "test";
$gaSql['server'] = "localhost";
// DB connection
function dbinit(&$gaSql) {
// if error rezults 500
function fatal_error($sErrorMessage = '') {
header($_SERVER['SERVER_PROTOCOL'] .' 500 Internal Server Error');
die($sErrorMessage);
}
// connecting to mysql
if ( !$gaSql['link'] = @mysql_connect($gaSql['server'], $gaSql['user'], $gaSql['password']) ) {
fatal_error('Could not open connection to server');
}
// select the DB
if ( !mysql_select_db($gaSql['db'], $gaSql['link']) ) {
fatal_error('Could not select database');
}
}
您可以尝试以下方法:
try {
$pdo = new PDO('mysql:host=' . $gaSql['server'] . ';dbname=' . $gaSql['db'], $gaSql['user'], $gaSql['password']);
} catch (PDOException $ex) {
if ($ex->getCode() == 1049) {
throw new Exception('Unknown Database: ' . $gaSql['db']);
} elseif ($ex->getCode() == 1045) {
throw new Exception('Wrong credentials for user: ' . $gaSql['user']);
}
}
希望,这有帮助;-) 您可以尝试以下方法:
try {
$pdo = new PDO('mysql:host=' . $gaSql['server'] . ';dbname=' . $gaSql['db'], $gaSql['user'], $gaSql['password']);
} catch (PDOException $ex) {
if ($ex->getCode() == 1049) {
throw new Exception('Unknown Database: ' . $gaSql['db']);
} elseif ($ex->getCode() == 1045) {
throw new Exception('Wrong credentials for user: ' . $gaSql['user']);
}
}
希望,这有帮助;-) 正确的PDO db连接
<?php
$host = '127.0.0.1';
$db = 'your db';
$user = 'root';
$pass = '';
$charset = 'utf8';
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
$dbh = new PDO($dsn, $user, $pass, $options);
?>
参考:
我在所有的pdo连接中都使用它,它可以完美地工作正确的pdo db连接
<?php
$host = '127.0.0.1';
$db = 'your db';
$user = 'root';
$pass = '';
$charset = 'utf8';
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
$dbh = new PDO($dsn, $user, $pass, $options);
?>
参考:
我在我所有的pdo连接中都使用了它。它工作得非常好。加载资源失败:服务器响应状态为500(内部服务器错误)。pdo的优点是它可以自行发出致命错误,使任何额外的代码多余。加载资源失败:服务器响应状态为500(内部服务器错误)PDO的好处是它可以自行发出致命错误,使任何额外的代码都成为PDO试图读取的多余代码&这一点。为什么您要使用函数来查找错误,而不是使用
mysql\u error()
。对于PDO,请尝试阅读此内容。为什么要使用函数来查找错误,而不是mysql\u error()
。