使用mysql自带的mysqldump备份mysqldump-ugame-p--databasesd_channeld_guildd_taiwand_taiwan_secud_technical_reporttaiwan_billingtaiwan_caintaiwan_cain_2ndtaiwan_cain_auction_cerataiwan_cain_auction_goldtaiwan_cain_logtaiwan_cain_webtaiwan_game_e