luokine的博客

现有两个表Book (图书)，Category(分类) public Book findByBid(String bid) { try { String sql="select * from book where bid=?"; //return qr.query(sql, new BeanHandler<Book>(Book.class),bid); Map&...

https://www.cnblogs.com/yufeng218/p/6622644.html浅析mybatis 增删改查 语句。