pnlfa.java

来自「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。」· Java 代码 · 共 61 行

/*此类负责政策法规与功能的实现*/
package pro;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;

public class PnlFa extends JPanel
{
	
	private JTextArea jtxt;
	private JScrollPane jsp;
	public PnlFa()
	{
		
		  this.setLayout(null);
	      jsp=new JScrollPane();
		  jtxt =new JTextArea();
		  jtxt.setEditable(false);
		  jtxt.setLineWrap(true);
		  //jtxt.setBackground();
	      jsp.getViewport().add(jtxt);
		  this.add(jsp);
		  //jsp.setSize(550,460);
		  //jtxt.setSize(450,400);
    	  jsp.setBounds(32,35,540,450);
		  jtxt.setBounds(32,35,506,300);
	      /*读文件*/
	      try {
			    
			   File file = new File("PC.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(500,500);
		this.setVisible(true);
	}
		public void paintComponent(Graphics g)//传一个画笔进来!
		{
			javax.swing.ImageIcon ii = new ImageIcon("img/pnlFaTuPian.jpg");//把图片读出来!
			g.drawImage(ii.getImage(), 0, 0, this);//画画,定位置!
		}
}