chengjiview.java

秩序更改试题库

//导入所必须的包↓
import java.io.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.JOptionPane;
//导入所必须的包↑

public class Chengjiview  extends Dialog implements ActionListener {
    Button Queding;//定义确定按钮
    Label name, shiti;//姓名、试题标签
    TextArea chengji;//成绩文本区域

    public Chengjiview(Frame f, String s, boolean b) {
        super(f, "      "+s + "    成绩", b);
        //
        Photos canvas=new Photos(100,134,s);//定义画布对象
       setBounds(330, 200, 430, 380);//设置对话框大小
        name = new Label("姓名： " + s);
        shiti = new Label("分数：");
        chengji = new TextArea("",30, 20,chengji.SCROLLBARS_VERTICAL_ONLY);//实现只有垂直滚动条的文本区域
        Queding = new Button("关   闭");
        setLayout(null);
        add(name);
        name.setBounds(30, 40, 200, 15);
        add(canvas);
        canvas.setBounds(305,40,100,134);
        add(shiti);
        shiti.setBounds(30, 60, 35, 13);
        add(chengji);
        chengji.setEditable(false);
        chengji.setBounds(65, 60, 230, 260);
        add(Queding);
        Queding.setBounds(310, 260, 80, 50);
        Queding.addActionListener(this);

        //写入显示成绩↓
        while (true) {
            File jilu = new File("userdata/" + s + ".txt");
            try {

                BufferedReader Readline = new BufferedReader(new FileReader(
                        jilu));
                String Jiu = null;
                Jiu = Readline.readLine();
                while (!Jiu.equals(null)) {
                    chengji.append(Jiu + '\n');
                    Jiu = Readline.readLine();
                }
            } catch (Exception eee) {
            }
            break ;
        }
        //写入显示成绩↑

        validate();
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == Queding) {
            this.setVisible(false);
        }
    }

    class Photos extends Canvas { // 考生相片
        Toolkit tool;
       Image image;
       int widtha,heighta;
       String s;
       Photos(int widtha,int heighta,String s)
       {
           this.widtha=widtha;
           this.heighta=heighta;
           this.s=s;
           tool=getToolkit();
           image=tool.getImage("./classes/photo/"+this.s+".jpg");
       }
       public void paint(Graphics g)
       {
           g.drawImage(image,0,0,100,134,this);
       }
    }
}