(btnCancel);
(p);
;
(this);
(this);
(this);
(this);
();
}
public void connDB() { isplay();
}
isNewsm = true;
}
if () == " 取消 ") {
(false);
new SM().display();
}
}
public void itemStateChanged(ItemEvent e) { ;
import .*;
import .*;
class SCM extends JFrame implements ActionListener {xecuteQuery("select * from sc where sno='" + mscxh + "'");
while ()) {
playerInfo[j][0] = ("sno");
playerInfo[j][1] = ("cno");
playerInfo[j][2] = ("g");
j++;
}
} catch (SQLException e) {
();
}
if (playerInfo[0][1] == null) {
();
(null, "课程号不存在！");
new SCM("选课信息管理").display();
} else {
sTable = new JTable(playerInfo, columnNames);
(sTable);
scroll = new JScrollPane(sTable);
(scroll);
}
}
public void actionPerformed(ActionEvent e) {