你试试看!create table test_table_1(id int)然后插入数据insert into test_table_1 values(1)insert into test_table_1 values(2)这样数据库里面就有两条数据了!然后你再运行:create table test_table_2(id int)再执行:insert into test_table_2 select id from test_table_1ok了!共同学习!