设置字符集使用mysqli_set_charset(); 字符集目前我们大都使用utf8mb4,因为他支持4个字节长度的字符。他支持一些emoji表情字符。当然如果你不需要支持4字节字符的话可以选择使用utf8,因为他比较剩空间。 mysqli_set_chartset($mysqli, 'utf8mb4'); 重新选择数据库 数据库连接后,还可以重新选择数据库。 mysqli...
$user, $password, $dbName); $mysqli->set_charset('utf8mb4'); $result = $mysqli->query('SELECT * FROM non_existent_table'); // The following line will never be executed due to the mysqli_sql_exception being thrown above foreach ($result as $row) { // ... ...
...扩展 classmysqli{ } //数据库连接 $mysqli= newmysqli("localhost", "my_user", "my_password", "world"); /.../数据库连接错误号码 $mysqli->connect_errno //数据库连接错误内容 $mysqli->connect_error //设置编码 $mysqli->set_charset("utf8mb4...")) //执行sql语句 $result=$...
...扩展 classmysqli{ } //数据库连接 $mysqli= newmysqli("localhost", "my_user", "my_password", "world"); /.../数据库连接错误号码 $mysqli->connect_errno //数据库连接错误内容 $mysqli->connect_error //设置编码 $mysqli->set_charset("utf8mb4...")) //执行sql语句 $result=$...
$mysqli->set_charset('UTF8'); } ?> 2.封装类文件(comment.class.php): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
ini_get("mysqli.default_socket") ); if ( $error = mysqli_connect_error() ) { error_log("connect error: $error in :: {$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"); return false; } $dbConn->set_charset('utf8mb4'); self::$dbConns[$connectionType] = $dbConn; ...
boolmysqli_set_charset( mysqli $link , string $charset ) 这应该是首选的用于改变字符编码的方法,不建议使用 mysqli_query()执行SQL请求的SET NAMES ...(如SET NAMES utf8)。 用法: <?php $mysqli = new mysqli("localhost", "my_user", "my_password", "test")...
set_charset #获取字符集 character_set_name 获取数据库对象 //创建mysqli对象方式 1 //屏蔽连接产生的错误 $mysqli = new mysqli('127.0.0.1', 'root', '', 'test'); //只能用函数来判断是否连接成功 if(mysqli_connect_errno()) { echo mysqli_connect_error(); ...
php $con = mysqli_connect("localhost", usr, pwd, instance); mysqli_set_charset( $con, "utf8mb4" ); if (mysqli_connect_errno($con)) { die('Failed to connect to MySQL : ' .mysqli_connect_error()); } $aA= (int)$_POST['AA']; $aB= (int)$_POST['AB']; $c3po= $_...
$mysqli->set_charset("utf8mb4");} catch(Exception $e) { error_log($e->getMessage()); exit('Error connecting to database'); //Should be a message a typical user could understand} 插入、更新、删除 PDO $stmt = $pdo->prepare("INSERT INTO myTable (name, age) VALUES (?, ?)");...