byte[] tmp = new byte[512];
                         tmp = str_send.getBytes();
                         //OutputS.print(str_send);                         OutputStream out;
                         out = Client.getOutputStream();
                         out.write(tmp,0,str_send.length());
                         //接收数据包
                         InputStream in;
                         in = Client.getInputStream();
以上是客户端socket