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关于文件的复制粘贴

程序员文章站 2022-05-14 22:20:41
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01 FileInputStream and FileOutputStream

public static void main(String[] args) throws IOException {
		//输入流
		FileInputStream f = new FileInputStream("D:\\Fiel\\p.txt");
		//输出流
		FileOutputStream fi = new FileOutputStream("D:\\2.3\\oop.txt");
		byte [] b = new byte[1024];
		int temp = 0;
		while((temp=f.read(b))!=-1){
			fi.write(b,0,temp);
		}
		fi.flush();
		f.close();
		fi.close();
	}

02 FileReader and FileWriter

//只能复制纯文本文件
	public static void main(String[] args) throws IOException {
		FileReader f = new FileReader("D:\\\\ppp\\\\p.txt");
		FileWriter ff = new FileWriter("D:\\ppp\\qpqp.txt");
		
		char [] c = new char[512];
		int temp = 0;
		while((temp = f.read(c))!= -1) {
			ff.write(c, 0, temp);
		}
		
		ff.flush();
		f.close();
		ff.close();
	}