无涯教程-PHP - mysqli select db函数

mysqli select db - 语法

mysqli_select_db(connection,dbname);

此函数更改默认数据库。

mysqli select db - 返回值

成功时返回TRUE，失败时返回FALSE

mysqli select db - 示例

<?php
   $connection_mysql=mysqli_connect("localhost","user","password","db");
if (mysqli_connect_errno($connection_mysql)){
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
mysqli_select_db($connection_mysql</span><span class="pun">,</span><span class="str">"test"</span><span class="pun">);</span><span class="pln">
   mysqli_close</span><span class="pun">(</span><span class="pln">$connection_mysql);
?>

参考链接

www.learnfk.com/php/php-mys…