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标题: [php] 数字金额转大写金额 [打印本页]

作者: tzlink 时间: 2007-9-30 14:04
标题: [php] 数字金额转大写金额
<?php
/**
* @file
* @version 1.0
* @author 网海浪子
* @date 2006-6-16
* @email sxf02615@163.com
* @brief 数字金额转大写金额
* @转载请注明出处
*/

class moneyToChinese
{
//数字金额
var $numMoney       = null;

//整数单位可继续扩展
var $intNumBit       = array(1=>"",2=>"拾",3=>"佰",4=>"仟",5=>"万",6=>"拾",7=>"佰",8=>"仟",9=>"亿",10=>"拾",11=>"佰",12=>"仟");

//小数单位可继续扩展
var $floatNumBit = array(1=>"角",2=>"分");

//阿拉伯数字中文大写
var $moneyOfNum       = array(0=>'零',1=>'壹',2=>'贰',3=>'叁',4=>'肆',5=>'伍',6=>'陆',7=>'柒',8=>'捌',9=>'玖');

//数字金额的整数部分
var $intNum       = null;

//数字金额的小数部分
var $floatNum       = null;

//转换后的大写金额
var $ChineseStr    = null;

/**
* @brief  构造函数
*
* @param $num: 初始化数字金额
*
* @return 无返回值
*/
function moneyToChinese($num)
{
      if(strlen($num)>12)
      {
         $this->ChineseStr = "位数暂时不能大于12位";
         return false;
      }
      if(is_int($num)||is_float($num))
      {
         $this->numMoney = strval($num);
         $data = moneyToChinese::expNum($num);
         $this->intNum = $data['int'];
         $this->floatNum = $data['float'];
         $this->intToChinese($this->intNum);
         $this->ChineseStr.= "元";
         $this->floatToChinese($this->floatNum);
         $this->ChineseStr.= "整";
      }
}

/**
* @brief  分割数为整数与小数返回数组
*
* @param $num: 金额
*
* @return 如果是float数则返回整数和小数部分为字符串如果是整数返回整数部分
*/
function expNum($num)
{
      $data['int'] = null;
      $data['float'] = null;
      if(is_int($num))
      {
         $data['int'] = $num;
         return $data;
      }
      else
      {
         $expArray = explode(".",$num);
         $data['int'] = $expArray[0];
         $data['float']  = $expArray[1];
         return $data;
      }
}

/**
* @brief  初始化对象 this 转换整数部分
*
* @param $intNum: 整数金额部分转换大写
*
* @return 无返回值
*/
function intToChinese($intNum)
{
      if($intNum =='')return false;
      $num_index = 0;//初始化数组小标从0开始
      $num_len = strlen($intNum);//整数位的长度
      $pre_num = 8;//初始化前序数为非零,null,false 值避免与0冲突
      for($num_index;$num_index<$num_len;$num_index++)
      {
         $curr_num       = substr($intNum,$num_index,1);//从$num_index位置开始取1个数出来作为当前数
         $curr_bit_index = $num_len-$num_index;//当前数的位数组下标
         if($curr_num!=0)
         {
            if($pre_num==0) //当且仅当前序数为零当前数不为零时加人民币"零"
            {
                  $this->ChineseStr.=$this->moneyOfNum[0];
            }
            $this->ChineseStr.=$this->moneyOfNum[$curr_num];
            $this->ChineseStr.=$this->intNumBit[$curr_bit_index];
         }
         else
         {
            $pre_zero_num = 0;//前面三个前序数为0的位的个数
            $pre_num_index = $num_index;
            $for_num       = 3;
            for($for_num=1;$for_num<=3;$for_num++)
            {
                  $pre_num_index--;
                  if(substr($intNum,$pre_num_index,1)!=0)$pre_zero_num++;
            }
            if($pre_zero_num!=0)
            {
                  if($curr_bit_index==5)$this->ChineseStr.="万";
                  if($curr_bit_index==9)$this->ChineseStr.="亿";
            }
         }
         $pre_num = $curr_num;//用当前值初始化下次循环的前序数
      }
}

/**
* @brief  初始化对象 this 转换小数部分
*
* @param $intNum: 小数金额部分转换大写
*
* @return 无返回值
*/
function floatToChinese($floatNum)
{
      if($floatNum =='')return false;
      $numLen       = strlen($floatNum);
      $pre_num = null;
      $zero_num = 0;
      for($i=0;$i<$numLen;$i++)
      {
         $j= $i+1;
         $num = substr($floatNum,$i,1);
         $pre_num = $num;
         if($pre_num == $num&&$pre_num ==0)
         {
            $zero_num++;
            if($zero_num==1)$this->ChineseStr.= "零";
            continue;
         }
         else
         {
            $pre_num = null;
            $zero_num = 0;
         }
         $this->ChineseStr.= $this->moneyOfNum[$num];
         $this->ChineseStr.= $this->floatNumBit[$j];
      }
}
}
//echo "<pre>";
//$test = new moneyToChinese(100000000.12);
//print_r ($test);
?>

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