import java.io.FileInputStream;import java.io.FileOutputStream;import org.junit.Test;public class JavaIO {    @Test    public void test() throws Exception{        //1、输入输出路径        String inputPath = "C:\\Users\\zwx474555\\Desktop\\E04D24C1-BB2F-424A-AD2D-7B770C96F9A1.png";  //图片路径        String outPath = "F:\\123.png";  //复制路径及文件名                //2、输入输出流对象        FileInputStream fis = new FileInputStream(inputPath);        FileOutputStream fos = new FileOutputStream(outPath);                //3、声明字节数组，每次按1K读取，按1K输出        byte[] bytes = new byte[1024];                int temp = 0;        while((temp = fis.read(bytes)) != -1){            fos.write(bytes, 0, temp); //一边读取，一边输出        }        //4、刷新输出流        fos.flush();                //5、关闭流        fis.close();        fos.close();            }}