package swing;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.Vector;

import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
public class table extends JFrame{
	Container container;
	JTable table;
	table(){
		container=this.getContentPane();
		Vector vector=new Vector();//存放学生所有信息
		Vector vector1=new Vector();//存放第一行内容
		Vector vector2=new Vector();//存放第二行内容
		vector1.add("张三");
		vector1.add("23");
		vector1.add("网络");
		vector.add(vector1);
		vector2.add("李四");
		vector2.add("21");
		vector2.add("安全");
		vector.add(vector2);
		Vector vc=new Vector();
		vc.add("姓名");
		vc.add("年龄");
		vc.add("专业");
		table=new JTable(vector,vc);
		table.setEnabled(false);//设置表格不可编辑
		table.setPreferredScrollableViewportSize(new Dimension(0,120));
		DefaultTableCellRenderer tcr = new DefaultTableCellRenderer();// 设置table内容居中
		tcr.setHorizontalAlignment(SwingConstants.CENTER);
		// tcr.setHorizontalAlignment(JLabel.CENTER);这句和上句作用一样
		table.setDefaultRenderer(Object.class, tcr);
		JScrollPane jsp=new JScrollPane();
		jsp.setViewportView(table);//放置到滚动面板
		jsp.setBorder(BorderFactory.createTitledBorder("学生信息"));//提示信息
		container.add(BorderLayout.CENTER,jsp);
		validate();//刷新窗口
		this.setTitle("表格练习");
		this.setSize(600,450);
		this.show();
		}
	public static  void main(String []args) {
		new table();
}
}

  运行结果: