注意管道流需要用到多线程
package test; import java.io.*; import java.sql.SQLClientInfoException; import java.text.DateFormat; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.*; import java.util.concurrent.CountDownLatch; import java.util.zip.InflaterInputStream; import javax.annotation.processing.FilerException; import javax.management.RuntimeErrorException; import privateclass.Filterby_Name; import privateclass.Filterby_hidden; import privateclass.Filterby_java; import privateclass.MyBufferedReader; import privateclass.Person; public class Main { private static final String space_operator = " "; private static final double pi = Math.PI; private static final String LINE_SEPARATOR = System.getProperty("line.separator"); private static final int SIZE = 1024*1024; /* * 管道流需要配合多线程 * 因为单线程容易出现死锁 * 因为当在一个在进行另外一个就会阻塞 * 我们再用管道的时候一定要记得连接 * connect */ public static void main(String[] args) throws Exception { PipedInputStream pis = new PipedInputStream(); PipedOutputStream pos = new PipedOutputStream(); pis.connect(pos); Thread t1 = new Thread(new Input(pis)); Thread t2 = new Thread(new Output(pos)); t1.start(); t2.start(); } } class Input implements Runnable { private PipedInputStream pis; public Input(PipedInputStream pis) { super(); this.pis = pis; } @Override public void run() { byte buf[] = new byte[1024]; try { pis.read(buf); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } String s = new String(buf); System.out.println(s); } } class Output implements Runnable { private PipedOutputStream pos; public Output(PipedOutputStream pos) { super(); this.pos = pos; } @Override public void run() { /* * 让线程在这里睡一会 * 你会发现更好的观察管道之间的联系 */ try { Thread.sleep(5000); } catch (InterruptedException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } try { pos.write("我是写入管道2333".getBytes()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }