Java将OutputStream转换为String

import java.io.ByteArrayOutputStream;

import java.io.IOException;

public class ByteArrayOutputStreamDemo {

   public static void main(String[] args) throws IOException {

      String str = "";

      byte[] bs = {65, 66, 67, 68, 69};

      ByteArrayOutputStream baos = null;



      try {

         // create new ByteArrayOutputStream

         baos = new ByteArrayOutputStream();



         // write byte array to the output stream

         baos.write(bs);



         // converts buffers using default character set

         str = baos.toString();



         // print

         System.out.println(str);

      } catch(Exception e) {

         // if I/O error occurs

         e.printStackTrace();

      } finally {

         if(baos!=null)

         baos.close();

      }

   }

}