Php/func mysqli set charset
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PHP mysqli set_charset()函数
示例-面向对象的样式
更改默认的客户端字符集:
<?php $mysqli = new mysqli("localhost","my_user","my_password","my_db"); if ($mysqli -> connect_errno) { echo "Failed to connect to MySQL: " . $mysqli -> connect_error; exit(); } echo "Initial character set is: " . $mysqli -> character_set_name(); // Change character set to utf8 $mysqli -> set_charset("utf8"); echo "Current character set is: " . $mysqli -> character_set_name(); $mysqli -> close(); ?>
在底部查看程序样式的示例。
定义和用法
set_charset()/ mysqli_set_charset()函数指定在与数据库服务器之间发送数据时使用的默认字符集。
注意: 为了使此功能在Windows平台上运行,您需要MySQL客户端库4.1.11或更高版本(对于MySQL 5.0,则需要5.0.6或更高版本)。
句法
面向对象的样式:
$mysqli -> set_charset(charset)
程序风格:
mysqli_set_charset(connection, charset)
参数值
参数 | 描述 |
---|---|
connection | 需要。指定要使用的MySQL连接 |
charset | 需要。指定默认字符集 |
技术细节
返回值: | 成功则为真。失败时为假 |
PHP版本: | 5.0.5+ |
示例-程序风格
更改默认的客户端字符集:
<?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno()) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); exit; } echo "Initial character set is: " . mysqli_character_set_name($con); // Change character set to utf8 mysqli_set_charset($con,"utf8"); echo "Current character set is: " . mysqli_character_set_name($con); mysqli_close($con); ?>