PHP 数字金额转换成中文大写金额的函数

水深无声 2022-08-09 05:19 258阅读 0赞

/**
     *数字金额转换成中文大写金额的函数
     *String Int  $num  要转换的小写数字或小写字符串
     *return 大写字母
     *小数位为两位
    **/
    function num_to_rmb($num){
            $c1 = "零壹贰叁肆伍陆柒捌玖";
            $c2 = "分角元拾佰仟万拾佰仟亿";
            //精确到分后面就不要了，所以只留两个小数位
            $num = round($num, 2); 
            //将数字转化为整数
            $num = $num * 100;
            if (strlen($num) > 10) {
                    return "金额太大，请检查";
            } 
            $i = 0;
            $c = "";
            while (1) {
                    if ($i == 0) {
                            //获取最后一位数字
                            $n = substr($num, strlen($num)-1, 1);
                    } else {
                            $n = $num % 10;
                    }
                    //每次将最后一位数字转化为中文
                    $p1 = substr($c1, 3 * $n, 3);
                    $p2 = substr($c2, 3 * $i, 3);
                    if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {
                            $c = $p1 . $p2 . $c;
                    } else {
                            $c = $p1 . $c;
                    }
                    $i = $i + 1;
                    //去掉数字最后一位了
                    $num = $num / 10;
                    $num = (int)$num;
                    //结束循环
                    if ($num == 0) {
                            break;
                    } 
            }
            $j = 0;
            $slen = strlen($c);
            while ($j < $slen) {
                    //utf8一个汉字相当3个字符
                    $m = substr($c, $j, 6);
                    //处理数字中很多0的情况,每次循环去掉一个汉字“零”
                    if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {
                            $left = substr($c, 0, $j);
                            $right = substr($c, $j + 3);
                            $c = $left . $right;
                            $j = $j-3;
                            $slen = $slen-3;
                    } 
                    $j = $j + 3;
            } 
            //这个是为了去掉类似23.0中最后一个“零”字
            if (substr($c, strlen($c)-3, 3) == '零') {
                    $c = substr($c, 0, strlen($c)-3);
            }
            //将处理的汉字加上“整”
            if (empty($c)) {
                    return "零元整";
            }else{
                    return $c . "整";
            }
    }
    echo num_to_rmb(23000000.00); //贰仟叁佰万元整