public?static?void?main(String[]?args)?throws?Exception?{
GoddessDao?g?=?new?GoddessDao();
List<Goddess>?gs?=?g.query();
for(Goddess?goddess?:?gs){
System.out.println(goddess.getUser_name()+","+goddess.getAge());
}
}
public?List<Goddess>?query()?throws?Exception{
Connection?conn=DBUtil.getConnection();
Statement?stmt?=?conn.createStatement();
ResultSet?rs?=?stmt.executeQuery("select?user_name,age?from?imooc_goddess?");
List<Goddess>?gs?=new?ArrayList<Goddess>();
Goddess?g?=?null;
?
while(rs.next()){
g=new?Goddess();
g.setAge(rs.getInt("age"));
g.setUser_name(rs.getString("user_name"));
????????????
????????????
????????????gs.add(g);
}
return?gs;
}
2016-10-13
建議打斷點調試,看數據是什么時候不見的