CAdd

this.insertst();

开始

是

try {“成功”}catch (SQLException e) {“课程号已存在”}

this.getTitle() == \"修改\"

new CM(\"课程信息管理\").display();

否

class CAdd extends JFrame implements ActionListener{}public CAdd() {}public void connDB() {}public void closeDB(){}

isNewsm

插入记录

结束

e.getActionCommand() == \"取消\"

kch = tcno.getText();kcm = tcname.getText();xxkch=tpcno.getText();

public void actionPerformed(ActionEvent e) {}

e.getActionCommand() == \"确定\"

this.setVisible(false);new CM(\"课程信息管理\").display();

try {}catch (SQLException e) {}this.connDB();