graphicsanalyse.java

学生成绩管理系统：能输入学科

package 学生考试成绩分析程序;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


public class GraphicsAnalyse extends JFrame implements ActionListener
{
    JButton jbHistogram,jbCaky,jbExit;
    static String Class,course;
    public GraphicsAnalyse(String sClass,String sCourse)
    {
        Class=sClass;
        course=sCourse;
        jbHistogram=new JButton("柱状图分析");
        jbCaky=new JButton("饼状图分析");
        jbExit=new JButton("退出");
        
        JPanel jpanel1=new JPanel();
        JPanel jpanel2=new JPanel();
        jpanel1.add(jbHistogram);
        jpanel1.add(jbCaky);
        jpanel2.add(jbExit);
        jbHistogram.addActionListener(this);
        jbCaky.addActionListener(this);
        jbExit.addActionListener(this);
        getContentPane().add(jpanel1,BorderLayout.CENTER);
        getContentPane().add(jpanel2,BorderLayout.SOUTH);
        
        this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        this.setTitle("考试成绩统计图");
        this.setSize(350,150);
        this.setLocation(450,300);
        this.setVisible(true);
        
         
    }

   public void actionPerformed(ActionEvent e)
    {
        if(e.getSource()==jbHistogram){
            new Histogram(Class,course); 
        }
        else if(e.getSource()==jbCaky){ 
             new Caky(Class,course); 
            
        }
        else if(e.getSource()==jbExit)
            this.setVisible(false);
       
    }


}