拷貝圖片

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class Demo3 {

    /**
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        
        copyImage();
        
    }
    public static void copyImage() throws IOException {
        // 找到目標文件
        File file = new File("C:\\cc\\kk\\1.jpg");    
        // 創建通道
        FileInputStream inputStream = new FileInputStream(file);
    
        File file1 = new File("C:\\cc\\tc.jpg");
        FileOutputStream outputStream = new FileOutputStream(file1);

        //建立一個緩衝區
        byte[] b = new byte[1024 * 6];
        //循環遍歷文件內容，沒有就返回-1
        while (inputStream.read(b) != -1) {
            //寫入數據
            outputStream.write(b);        
        }
        //關閉流      關閉流的原則：先開後關，後開先關
        outputStream.close();
        inputStream.close();
        
    }
      
}