一个阿拉伯数字转中文数字的函数

  •   2009-07-31/23:00
  • 最近因需要,写了个“阿拉伯数字转中文数字的函数”。搜索了精华区只见到一个类似的。
    感觉到我的算法不错,所以贴出来共享一下如果要用于金额的转换,对小数部分的处理要做一下修改
    <?php
    function ch_num($num,$mode=true) {
      $char = array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖");
      $dw = array("","拾","佰","仟","","萬","億","兆");
      $dec = "點";
      $retval = "";

      if($mode)
        preg_match_all("/^0*(\d*)\.?(\d*)/",$num, $ar);
      else
        preg_match_all("/(\d*)\.?(\d*)/",$num, $ar);

      if($ar[2][0] != "")
        $retval = $dec . ch_num($ar[2][0],false); //如果有小数,先递归处理小数
      if($ar[1][0] != "") {
        $str = strrev($ar[1][0]);
        for($i=0;$i<strlen($str);$i++) {
          $out[$i] = $char[$str[$i]];
          if($mode) {
            $out[$i] .= $str[$i] != "0"? $dw[$i%4] : "";
            if($str[$i]+$str[$i-1] == 0)
              $out[$i] = "";
            if($i%4 == 0)
              $out[$i] .= $dw[4+floor($i/4)];
          }
        }
        $retval = join("",array_reverse($out)) . $retval;
      }
      return $retval;
    }

    //echo ch_num("12345006789001.123");
    //echo ch_num("880079.1234");
    echo ch_num("300045.0123");

    ?>


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