一、預設設定 xampp\mysql\bin\my.ini 找到 [client] 區塊> default-character-set=utf8 找到 [mysqld] 區塊> character-set-server=utf8 collation-server=utf8_general_ci 二、修改已建table ALTER TABLE tbl_name CONVERT TO CHARACTER SET utf8 ; 三、PDO連線時設定 $dbh = new PDO ( "mysql:$connstr" , $user , $password ); $dbh -> exec ( "set names utf8" ); 四、meta時設定 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />