摘要:
1.今天学习了 修改功能中查询信息的 Servlet package bean; public class Hero { public int id; public String name; public float hp; public int damage; public int getId() 阅读全文
摘要:
1.今天学习了 使用 PrepraredStatement public class Tester { public void tx_insertDemo() { Dao.dao.execute("delete from user"); Dao.dao.execute("insert user (u 阅读全文