output_buffering = On
如果使用默认的 4096，那么 PHP 在 IIS6 里面性能将非常糟糕
register_globals = Off
extension_dir = "c:\PHP\ext"
upload_max_filesize = 100M
extension=php_mbstring.dll
extension=php_mysql.dll
mysql.default_port = 3306(重点,之前我就忘了加,一直出现服务器500错误.)
mysql.default_host = localhost
mysql.default_user = root