摘要：MySQL的join语句用的很多，比如和字典进行联查时，可以用left join或者inner join; 两张MySQL表: t1: t2: join进行update update t1 inner join t2 on t1.a = t2.a set t1.b =t2.c where 1=1; 阅读全文

摘要：@Transactional(rollbackFor = {RuntimeException.class, Error.class}) @Override public boolean create() { create1(); create2(); return true; } public vo 阅读全文