MySQL测试通过 方法1. INSERT IGNORE INTO insert ignore into actor values ('3', 'WD', 'GUINESS', '2006-02-15 12:34:33'); 方法2. on duplicate key update;MySQL适用 insert into actor(actor_id, first_name, last_name, last_update)values ('3', 'WD', 'GUINESS', '2006-02-15 12:34:33')on duplicate key update first_name=...