网络以字节码传输
String s = "我恨你"; //转成字节: byte[] brr = s.getBytes();//gbk //iE:utf-8 String s1 = new String(brr); brr = s1.getBytes("utf-8");//中:97 98 99 //你 String s2 =new String(brr,"utf-8");//gbk:97 98 System.out.println(s2);