如何解決php中文字元亂碼,中文字元入庫亂碼的問題

/*
 @中文字符入库乱码的解决方法
 @bbs.it-home.org
*/
include_once("conn.php");
include_once("include.php");
mysql_query("set names 'gbk'")or die("设置字符库失败n");
mysql_select_db($db)or die("连接数据库失败!n");
$exec = "select * from $table";
//echo $exec;
$result = mysql_query($exec,$conn)or die("查询数据库失败n");
echo "";for($cout=0;$cout{$city = mysql_result($result,$cout,city);$name = mysql_result($result,$cout,name);$phone = mysql_result($result,$cout,phone);echo "";echo "city: $city";echo "name: $name";echo "phone: $phone";echo "";}echo "






";
?>