【新手提问】请前辈帮我看看这段代码有没有什么问题..为什么不能显示JTable呢!!!

coolhty 2008-02-05 09:13:06

package com.newer.student;



import javax.swing.JTable;

import javax.swing.JScrollPane;

import javax.swing.JFrame;

import java.awt.*;

import java.awt.event.*;

import java.util.Vector;

import javax.swing.table.*;



public class Selectall{

	Vector<Object> stu = new Vector<Object>();

	Vector<Object> stu1 = new Vector<Object>();

	Vector<Object> colnames = new Vector<Object>();

	JFrame f = new JFrame();

	JScrollPane scr;

	TableModel tblmodel;

	public Selectall(){

		getcolname();

		stu = new Conn().selectbase();

		tblmodel = new DefaultTableModel(stu,colnames) {

     		 public boolean isCellEditable(int row, int column) {

          		return false;

     		 }

 		 };

		JTable stutable = new JTable(tblmodel);

		stutable.setPreferredScrollableViewportSize(new Dimension(475,265));

		stutable.setGridColor(Color.orange);

		stutable.setSelectionBackground(Color.pink);

		stutable.setOpaque(false);

		scr = new JScrollPane(stutable);

		scr.setVisible(true);

		f.getContentPane().add(scr,BorderLayout.CENTER);

		f.setLayout(null);

		f.setSize(new Dimension(500,300));

		f.setVisible(true);

        f.addWindowListener(new WindowAdapter() {

            public void windowClosing(WindowEvent e) {

                    System.exit(0);

            }

        }); 

	}

	public void getcolname(){

		colnames.add("学号");

		colnames.add("姓名");

		colnames.add("班级");

		colnames.add("年龄");

		colnames.add("性别");

		colnames.add("身高");

		colnames.add("电话");

		colnames.add("生日");

		colnames.add("家庭地址");

	}

	public JScrollPane getJscrollpane(){

		return scr;

	}

	public static void main(String[] args){

		new Selectall();

	}

}