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具体实现流程与上一篇博客(上一篇博客点击这里)
代码如下:
package course;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import dao.CourseManager;;;
public class Cadd extends Dialog implements ActionListener{
private Panel p1,p2,p3;
private Label lab1,lab2,lab3,lab4;
private TextField t1,t2,t3,t4;
private Button btn1,btn2;
public Cadd(Frame f,String title,boolean mo) {
super(f, title, mo);
p1.setLayout(new GridLayout(4,1));
lab1=new Label("课程号");
lab2=new Label("课程名称");
lab3=new Label("课程类型");
lab4=new Label("课程内容");
p1.add(lab1);
p1.add(lab2);
p1.add(lab3);
p1.add(lab4);
this.add(p1, BorderLayout.WEST);
p2=new Panel();
p2.setLayout(new GridLayout(4, 1));
t1=new TextField();
t2=new TextField();
t3=new TextField();
t4=new TextField();
p2.add(t1);
p2.add(t2);
p2.add(t3);
p2.add(t4);
this.add(p2, BorderLayout.CENTER);
//创建第三个面板,并添加两个按钮
p3=new Panel();
btn1=new Button("确定");
btn1=new Button("取消");
btn1.addActionListener(this);
btn2.addActionListener(this);
p3.add(btn1);
p3.add(btn2);
this.add(p3,BorderLayout.SOUTH);
Toolkit tk = Toolkit.getDefaultToolkit();
Dimension dim= tk.getScreenSize();
this.setBounds(300, 400, 200, 200);
this.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==btn1) {
CourseManager sm = new CourseManager();//实例化业务处理类
String sql = "insert course values(?,?,?,?)";
String[] param=new String[] {t1.getText().trim(),t2.getText().trim(),t3.getText().trim(),t4.getText().trim()};
sm.addCourse(sql, param);
this.dispose();
}else if(e.getSource()==btn2) {
this.dispose();
}
}
}