ziliaoceshi的博客

http://www.zhujiangroad.com/program/JAVA/2568.html在 Java 应用程序中访问USB设备 http://blog.sina.com.cn/s/blog_6d95ca170100umu6.html http://sourceforge.net/projects/jusb/ http://usr.cc/member.php?mod=register http://qq477768302-sina-com.iteye.com/blog/1668029 加密狗Java的USB算法 http://soft.chinabyte.com/database/52/12057052.shtml http://blog.youkuaiyun.com/zhenanlin/article/details/7902989 http://wenku.baidu.com/view/99c9ccb169dc5022aaea0031.html http://blog.youkuaiyun.com/wangshouh/article/details/19678785 http://blog.youkuaiyun.com/zhou_zion/article/details/7714892

rxtx-2.1-7-bins-r2.zip

MD5数据加密，数字1-999999999，数据库为mysql package text; import java.security.MessageDigest; import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; /** * 采用MD5加密 */ public class MD5Util { /*** * MD5加密 生成32位md5码 * @param 待加密字符串 * @return 返回32位md5码 */ public static String md5Encode(String inStr) throws Exception { MessageDigest md5 = null; try { md5 = MessageDigest.getInstance("MD5"); } catch (Exception e) { System.out.println(e.toString()); e.printStackTrace(); return ""; } byte[] byteArray = inStr.getBytes("UTF-8"); byte[] md5Bytes = md5.digest(byteArray); StringBuffer hexValue = new StringBuffer(); for (int i = 0; i < md5Bytes.length; i++) { int val = ((int) md5Bytes[i]) & 0xff; if (val < 16) { hexValue.append("0"); } hexValue.append(Integer.toHexString(val)); } return hexValue.toString(); } /** * 测试主函数 * @param args * @throws Exception */ public static void main(String args[]) throws Exception { // TODO Auto-generated method stub //连接数据字段 String sConnStr = "jdbc:mysql://localhost:3306/test"; Connection connect = null; for(int i=0;i<99999999;i++) { System.out.println("原始：" + i); String keyname = String.valueOf( i); String md5name=md5Encode(keyname); System.out.println("MD5后：" + md5name); try { //将两个字段插入数据表 Statement stmt = null; String sql="insert into tb(keyname,md5name) values('"+keyname+"','"+md5name.substring(0,32)+"')"; connect = DriverManager.getConnection(sConnStr, "root", "123"); stmt = connect.createStatement(); stmt.executeUpdate(sql); stmt.close(); connect.close(); } catch (Exception e) { System.out.println("keyname为"+keyname+"的MD5数据生成错误，不能完成插入！"); } } } }