//用途: 金额小写转大写

//范围: 万亿>= (-,-) >=分

//作者: 283879541

/*

example:

$test = new digit2chinese;

$test->num = '5009999999.12';

$test->chuli();

$test->huey_print();

*/

class digit2chinese

{

var $num; //金额小写

private $d = array('零','壹','贰','叁','肆','伍','陆','柒','捌','玖');

private $e = array('圆','拾','佰','仟','万','拾万','百万','千万','亿','拾亿','佰亿','仟亿','万亿');

private $p = array('分','角');

private $zheng=''; //追加"整"字

private $final = array(); //结果

public function chuli()

{

$inwan=0; //是否有万

$inyi=0; //是否有亿

$len_pointdigit=0; //小数点后长度

$y=0;

if($c = strpos($this->num, '.'))

{ //有小数点

$len_pointdigit = strlen($this->num)-strpos($this->num, '.')-1;

if($c>13) //简单的错误处理

{

echo "数额太大,已经超出万亿.";

die();

}

elseif($len_pointdigit>2)

{

echo "小数点后只支持2位.";

die();

}

}

else //无小数点

{

$c = strlen($this->num);

$this->zheng = '整';

}

for($i=0;$i

{

$bit_num = substr($this->num, $i, 1); //逐字读取 左->右

if($bit_num!=0 || substr($this->num, $i+1, 1)!=0) //当前是零 下一位还是零的话 就不显示

@$low2chinses = $low2chinses.$this->d[$bit_num];

if($bit_num || $i==$c-1)

@$low2chinses = $low2chinses.$this->e[$c-$i-1];

}

for($j=$len_pointdigit; $j>=1; $j--) //处理小数部分

{

$this->point_num = substr($this->num, strlen($this->num)-$j, 1); //逐字读取 左->右

if($this->point_num != 0)

@$low2chinses = $low2chinses.$this->d[$this->point_num].$this->p[$j-1];

if(substr($this->num, strlen($this->num)-2, 1)==0 && substr($this->num, strlen($this->num)-1, 1)==0)

$this->zheng = '整';

}

$chinses = str_split($low2chinses,2); //字符串转换成数组

for($x=sizeof($chinses)-1;$x>=0;$x--) //过滤无效的信息

{

if($inwan==0&&$chinses[$x]==$this->e[4]) //过滤重复的"万"

{

$this->final[$y++] = $chinses[$x];

$inwan=1;

}

if($inyi==0&&$chinses[$x]==$this->e[8]) //过滤重复的"亿"

{

$this->final[$y++] = $chinses[$x];

$inyi=1;

$inwan=0;

}

if($chinses[$x]!=$this->e[4]&&$chinses[$x]!=$this->e[8])

$this->final[$y++] = $chinses[$x];

}

}

public function huey_print()

{

for($y=sizeof($this->final)-1; $y>=0; $y--) //打印出结果

{

echo $this->final[$y];

}

echo $this->zheng;

}

}

/*$test = new digit2chinese;

$test->num = '3300';

$test->chuli();

$test->huey_print();*/

?>