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  public static String generateShortUrl(String url) {   try {    HttpPost httpost = new HttpPost("http://dwz.cn/create.php");    List params = new ArrayList();    params.add(new BasicNameValueP

 public  static String StringFilter(String   str)   throws   PatternSyntaxException   {          // 只允许字母和数字            // String   regEx  =  "[^a-zA-Z0-9]";                          // 清除掉所

 /**   * 获取二维码   *   * @throws IOException   */  public static void createqrImg(String path,String codetype, String telephone, String mecode, String meetname, HttpServletRequest request) thro