---sql select concat('insert into user(user_id,user_name,pswd) values(','''',user_id,''',','''',user_name,''',','''',pswd,'''',');') from user; ---result | insert into user(user_id,user_name,pswd) values('haiyoung','Haiyoung','123'); | insert into user(user_id,user_name,pswd) values('haiyoung001','Haiyoung001','123'); | insert into user(user_id,user_name,pswd) values('haiyoung002','Haiyoung002','123'); | insert into user(user_id,user_name,pswd) values('haiyoung003','Haiyoung003','123');
执行结果如图所示: