复制控制台输出的内容到txt文件

最新推荐文章于 2025-07-02 20:10:05 发布

a447095304

最新推荐文章于 2025-07-02 20:10:05 发布

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分类专栏： java学习文章标签： stream class string java

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public class Test2 {

	/**
	 * @param args
	 * @throws IOException 
	 */


	public static void main(String[] args) throws IOException {
		//将java console的输出写入文件 mathematics.txt
		PrintStream oldPrintStream = System.out;
		FileOutputStream bos;
		try {
			bos = new FileOutputStream("F:/Bo/书籍资料/代码规范练习题/mathematics.txt");
			 MultiOutputStream multi = new MultiOutputStream(new PrintStream(bos),oldPrintStream);
			 System.setOut(new PrintStream(multi));
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		 
		
		System.out.println("请随便输~~~~~："); 
	

	}

public class MultiOutputStream extends OutputStream{
	//新建一个继承java.io.OutputStream的类，实现多输出方式
	 OutputStream outputStream1,outputStream2;
	 public MultiOutputStream(OutputStream stream1, OutputStream stream2 ) 
	 throws IOException{
	  outputStream1 = stream1;
	  outputStream2 = stream2;
	 }
	@Override
	public void write(int b) throws IOException {
		// TODO Auto-generated method stub
		 outputStream1.write(b);
		 outputStream2.write(b);
	}

}