[原创代码] powershell 中文数字转阿拉伯数字

$dn = [ordered] @{
    "零"=0; "一"=1; "二"=2; "三"=3; "四"=4; "五"=5; "六"=6; "七"=7; "八"=8; "九"=9;
    "〇"=0; "壹"=1; "贰"=2; "叁"=3; "肆"=4; "伍"=5; "陆"=6; "柒"=7; "捌"=8; "玖"=9;
    "拾"="十"; "佰"="百"; "仟"="千"; "两"=2; "廿"="2十";
}

$dr = [ordered] @{
    "0"=0; "1"=1; "2"=2; "3"=3; "4"=4; "5"=5; "6"=6; "7"=7; "8"=8; "9"=9;
    "十"=10; "百"=100; "千"=1000; "拾"=10; "佰"=100; "仟"=1000; 
    "万"=10000;
    "亿"=100000000;
    "兆"=10000000000000000;
}

$rank = [ordered] @{
    "0"=0; "1"=0; "2"=0; "3"=0; "4"=0; "5"=0; "6"=0; "7"=0; "8"=0; "9"=0;
    "10"=1; "100"=1; "1000"=1; 
    "10000"=2;
    "100000000"=3;
    "10000000000000000"=4;
}

function convert_zwzs ($str)
{
    #ss  [0] 数字  [2~n] 单位
    [long[]] $ss = @(0) * 5
    $i = 0
    $str.GetEnumerator() | foreach {
        $i++
        $v = [long] $dr[$_.ToString()]
        $r = $rank[[string]$v]
        write-Debug  ('{0,2} {1,4} {2,4} {3,-8} {4,-6} {5}' -f $i , "b:" , "s:$s" , "v:$v" , "r:$r" , "ss: $ss" )
        if ($r -eq 0)
        {
            $ss[0] = $ss[0] * 10 + $v
        }
        elseif ( $r -eq 1)
        {
            $ss[1] += $ss[0] * $v
            $ss[0] = 0
        }
        elseif ( $r -ge 2)
        {
            for($m = 0 ; $m -le $r - 1 ; $m++)
            {
                $ss[$r] += $ss[$m]
                $ss[$m] = 0
            }
            $ss[$r] *= $v
        }
        write-Debug  ('{0,2} {1,4} {2,4} {3,-8} {4,-6} {5}' -f $i , "e:" , "s:$s" , "v:$v" , "r:$r" , "ss: $ss" )
    }
    
    if($str -match "([百千拾佰仟万亿兆]+)(\d+)$") # 末尾数字无单位
    {
        # $m1 = $matches
        $v = 1
        $matches[1].GetEnumerator() | foreach-object {
            $v *= [long] $dr[[string]$_]
        }
        if ($matches[2] -match "^([1-9]*)0*([0-9]*)$")
        {
            $ss[0] = ([int] $matches[1]) * $v / [math]::pow(10,$matches[1].length) + ([int] $matches[2])
        }
    }
    
    $n=$ss.GetUpperBound(0)
    for($m = 0 ; $m -le $n - 1 ; $m++)
    {
        $ss[$n] += $ss[$m]
        $ss[$m] = 0
    }
    
    return $ss[-1]
}

# 主函数
function convert_zw_num ($str)
{
    $str = $str -replace "\s+",""
    if ($str -match "^[-负]")
    {
        $numSgn = "-"
        $str = $str -replace "^[-负]",""
    }
    $dn.GetEnumerator() | ForEach-Object {
        $str = $str -replace $_.key , $_.value
    }
    $str = $str -replace "[元圆正整点.]+","."
    $str = $str -replace "[.]$",""
    $str = $str -replace "^[.]","0."
    $str = $str -replace "(?<=^|[^1-9])(?=[十])","1"
    
    if ($str -match "^[\d.]+$") # 纯数字
    {
        [string] $num = $str
    }
    elseif ($str -match "(\d+[.]\d+)([仟万亿兆]+)$") # 数字 + 单位
    {
        [double] $num1 = $matches[1]
        $matches[2].GetEnumerator() | foreach-object {
            $num1 *= [long] $dr[ [string]$_ ]
        }
        [string] $num = $num1
    }
    elseif ($str -notmatch "([.])") # 中文整数
    {
        [string] $num = convert_zwzs $str
    }
    elseif ($str -match "(.*)[.](\d+)$") # 中文整数.小数
    {
        [string] $num1 = convert_zwzs $matches[1]
        [string] $num2 = $matches[2]
        [string] $num = $num1 + "." + $num2
    }
    elseif ($str -match "[角分]+")  # 中文金额
    {
        if ($str -match "([^.角分]*)[.]*(\d+角)*(\d+分)*$")
        {
            [string] $num1 = convert_zwzs $matches[1]
            $num2 = [double] ( $matches[2] -replace "角","" ) /10
            $num2 += [double] ( $matches[3] -replace "分","" ) /100
            [string] $num = [double] $num1 + $num2
        }
    }
    
    return $numSgn + [string] $num
}

convert_zw_num "壹拾壹元壹角壹分"
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