|  |  | 
 |  |  | import java.net.InetSocketAddress; | 
 |  |  | import java.net.Socket; | 
 |  |  | import java.net.SocketAddress; | 
 |  |  | import java.net.SocketTimeoutException; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * 条码扫描仪线程 | 
 |  |  | 
 |  |  |         connect(); | 
 |  |  |         while (true) { | 
 |  |  |             try { | 
 |  |  |                 write("T".getBytes(), "T".length()); | 
 |  |  |                 byte[] read = read(11, 1000); | 
 |  |  | //                write("T".getBytes(), "T".length()); | 
 |  |  |                 byte[] read = read(11, 200); | 
 |  |  |                 if (null != read) { | 
 |  |  |                     barcode = new String(read); | 
 |  |  |                 } | 
 |  |  |                 Thread.sleep(100); | 
 |  |  |             } catch (SocketTimeoutException ignore) { | 
 |  |  |             } catch (Exception e) { | 
 |  |  |                 e.printStackTrace(); | 
 |  |  | //                e.printStackTrace(); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  | 
 |  |  |         if (socket == null) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         socket.setSoTimeout(timeOut * 1000); | 
 |  |  |         socket.setSoTimeout(timeOut); | 
 |  |  |         byte[] bytes = new byte[bufferSize]; | 
 |  |  |         int len = dataInputStream.read(bytes); | 
 |  |  |         byte[] tempBytes = null; | 
 |  |  | 
 |  |  |         boolean connect = barcodeThread.connect(); | 
 |  |  |         System.out.println(connect); | 
 |  |  |         barcodeThread.write("T".getBytes(), "T".length()); | 
 |  |  |         byte[] read = barcodeThread.read(11, 1000); | 
 |  |  |         byte[] read = barcodeThread.read(11, 1); | 
 |  |  |         System.out.println(new String(read)); | 
 |  |  |     } | 
 |  |  | } |