数据库连接

<?php
$conn = @mysql_connect("localhost","root","root123");
if (!$conn){
    die("连接数据库失败：" . mysql_error());
}
mysql_select_db("test", $conn);
//字符转换，读库
mysql_query("set character set 'gbk'");
//写库
mysql_query("set names 'gbk'");
?>