import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class DemoCopy {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
copy();
}
public static void copy() throws IOException{
//1.讀取數據輸入字節流
//找到圖片路徑
File file = new File("D:\\img\\01.jpg");
FileInputStream inputStream = new FileInputStream(file);
//2.寫入數據輸出字節流
File file1 = new File("D:\\01.jpg");
FileOutputStream outputStream = new FileOutputStream(file1);
byte [] b = new byte[1024];
while (inputStream.read(b)!=-1) {
outputStream.write(b);
}
//關閉流 關閉流原則：先開后關，后開先關。
outputStream.close();
inputStream.close();
}
}