dome8.java

来自「小游戏用ＪＡＶＡ做的」· Java 代码 · 共 53 行

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

public class Dome8
{
	public static final int SIZE = 1024*1024;
	
	public static void main(String [] args) throws Exception
	{
		File fin = new File("Dome.exe");
		
		BufferedInputStream bis = new BufferedInputStream(
			new FileInputStream(fin));
		
		int count = fin.length()%SIZE == 0 ? 
			(int)(fin.length()/SIZE) : 
			(int)(fin.length()/SIZE+1);
		
		File [] fout = new File[count];
		BufferedOutputStream[] bos = 
			new BufferedOutputStream[count];
		
		for (int i = 0; i < count; i++)
		{
			fout[i] = new File("Dome."+i);
			bos[i] = new BufferedOutputStream(
				new FileOutputStream(fout[i]));
		}
		
		byte [] bt = new byte[SIZE];
		
		for (int i = 0; i < count-1; i++)
		{
			System.out.println ("已完成"+(i*100/count)+"%");
			bis.read(bt);
			bos[i].write(bt);
			bos[i].close();
		}
		System.out.println ("已完成"+((count-1)*100/count)+"%");
		bt = new byte[(int)(fin.length()%SIZE)];
		if (bt.length != 0)
		{
			bis.read(bt);
			bos[count-1].write(bt);
			bos[count-1].close();
			System.out.println ("已完成100%");
		}
		bis.close();
	}
}