php写下mysql中文乱码啊已经是utf8了

<br><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><br><br>$conn = mysql_connect("localhost","test","test");<br>if (!$conn)<br>  {<br>  die('Could not connect: ' . mysql_error());<br>  }<br>//mysql_query("set test 'utf8'");<br>mysql_set_charset("utf8" , $conn); <br>//选择数据库<br>mysql_select_db("test", $conn);<br><br>//往表里插数据<br>mysql_query("INSERT INTO test (id, myusername) <br>VALUES (2,'中文2')");<br><br>//mysql_query("INSERT INTO user (id, myusername) <br>//VALUES (". intval($str_id) . "," . $str_name . ")");<br><br>//关闭数据库连接<br>mysql_close($conn);<br>