showtable.java

这是一个简单的考试系统

package login.UI;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Vector;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

import com.pogo.Grade;
import com.tool.writeExcel;
public class showTable extends JFrame implements ActionListener{
	private JTable jt;
	private JButton back;
	private DefaultTableModel dm;
	private Vector vtitle, vall;
	private ArrayList list;
	showTable(ArrayList list,int a){
		super("成绩统计");
		this.list=list;
		this.setSize(500,500);
		this.setLocation(200,200);
		this.setDefaultCloseOperation(3);
		this.setResizable(false);
		vtitle = new Vector();
		vtitle.add("名次");
		vtitle.add("姓名");
		vtitle.add("成绩");
		vall=new Vector();
		dm=new DefaultTableModel(vall,vtitle);
		jt=new JTable(dm);
		for(int i = 0;i<list.size();i++){
			   Grade s = (Grade)list.get(i);
			   Vector vline=new Vector();
			   vline.add(i+1+"");
			   vline.add(s.getName());
			   vline.add(s.getGrade()+"");
			   dm.addRow(vline);
		}
		back=new JButton("返回");
		back.addActionListener(this);;
		JPanel jp=new JPanel();
		jp.add(new JScrollPane(jt));
		jp.add(back);
		this.getContentPane().add(jp);
		this.setVisible(true);
		jt.setRowSelectionInterval(a,a);
	}
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==back){
			this.dispose();
			new login();
		}
	}
}