解决php mysql查询插入中文乱码问题

CREATE TABLE IF NOT EXISTS `userain` (
`id` int(4) NOT NULL AUTO_INCREMENT,
`username` varchar(20) DEFAULT NULL,
`userpass` varchar(40) DEFAULT NULL,
`logins` int(4) NOT NULL DEFAULT '0' COMMENT '登陆次数',
`logintime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`mid` char(1) NOT NULL DEFAULT '0',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=7 ;

INSERT INTO `userain` (`id`, `我是中文`, `userpass`, `logins`, `logintime`, `mid`) VALUES
(1, 'admin', '7c1f03139281878059b909c42ccf2f6a', 0, '2010-04-14 14:20:26', '1');

//配置mysql数据库连接参数
$db = mysql_connect("localhost", "user","password");
mysql_select_db("message",$db);
//在执行sql语句之前加上下面这一行

?>

//配置mysql数据库连接参数
$db = mysql_connect(www.45it.net, "user","password");
mysql_select_db("message",$db);
//在执行sql语句之前加上下面这一行
mysql_query("SET NAMES 'utf8'",$db);