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http://www.cnblogs.com/DreamDrive/p/7425281.html Demo private static void makeSingle(){ RandomAccessFile raf=null; FileChannel channel=null; FileLock 阅读全文
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file 写入文件： /** * //写入文件 * @param fileName �ļ����� * @param data json�ַ��� */ public void saveDataToFile(String groupid,String user){ BufferedWriter wr 阅读全文
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public class ISSIhttpserverThread extends Thread { private int port = 23024; DatagramSocket server = null; DatagramPacket packets = null; private int 阅读全文