php/45190.html">php;"><?php/** * php 根據(jù)自增id創(chuàng)建唯一編號類 * Date:  2016-11-27 * Author: fdipzone * Ver:   1.0 * * Func * Public create 創(chuàng)建編號 */class IDCode{ // class start  /**   * 創(chuàng)建編號   * @param Int  $id     自增id   * @param Int  $num_length 數(shù)字最大位數(shù)   * @param String $prefix   前綴   * @return String   */  public static function create($id, $num_length, $prefix){    // 基數(shù)    $base = pow(10, $num_length);    // 生成字母部分    $division = (int)($id/$base);    $word = '';    while($division){      $tmp = fmod($division, 26); // 只使用26個大寫字母      $tmp = chr($tmp + 65);   // 轉(zhuǎn)為字母      $word .= $tmp;      $division = floor($division/26);    }    if($word==''){      $word = chr(65);    }    // 生成數(shù)字部分    $mod = $id % $base;    $digital = str_pad($mod, $num_length, 0, STR_PAD_LEFT);    $code = sprintf('%s-%s-%s', $prefix, $word, $digital);    return $code;  }} // class end?>

<?phprequire 'IDCode.class.php';$test_ids = array(1,9,10,99,100,999,1000,1009,2099,3999,9999,14999,99999);foreach($test_ids as $test_id){  echo $test_id.' = '.IDCode::create($test_id, 3, 'F').'<br>';}?>

1 = F-A-0019 = F-A-00910 = F-A-01099 = F-A-099100 = F-A-100999 = F-A-9991000 = F-B-0001009 = F-B-0092099 = F-C-0993999 = F-D-9999999 = F-J-99914999 = F-O-99999999 = F-VD-999