pnlic.java

长沙公交查询管理系统,主要实现对人员资料的管理以及车辆的分配路线。

package pro;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class PnlIc extends JPanel
{
	private JTextArea jtxt;
	private JScrollPane jsp;
	public PnlIc()
	{
		
		  this.setLayout(null);
	      jsp=new JScrollPane();
		  jtxt =new JTextArea();
		  jtxt.setEditable(false);
		  
	      jsp.getViewport().add(jtxt);
		  this.add(jsp);
	
    	  jsp.setBounds(32,35,540,450);
		  jtxt.setBounds(32,35,506,300);
			
	      try {
			      File file = new File("Ic.txt"); 
			      FileInputStream fis = new FileInputStream(file);
			      byte[] buf = new byte[(int)(file.length())];
			      fis.read(buf);  
			      String str = new String(buf);  
			     
			      jtxt.setText(str);
			      fis.close();     
	          } 
	          catch (FileNotFoundException fnfe)
	          {
	          System.out.println("文件打开失败。");
	          }
	          catch (IOException ioe) 
	          {
	          ioe.printStackTrace();
	          }
		this.setSize(700,700);
		this.setVisible(true);
	}
		public void paintComponent(Graphics g)//传一个画笔进来!
		{
			javax.swing.ImageIcon ii = new ImageIcon("img/pnlIcTuPian.jpg");//把图片读出来!
			g.drawImage(ii.getImage(), 0, 0, this);//画画,定位置!
		
        }
}