金额大写转小写SQL

Create Or Replace Function Money2Chinese(Money In Number) Return Varchar2 Is

  strYuan       Varchar2(150);

  strYuanFen    Varchar2(152);

  numLenYuan    Number;

  numLenYuanFen Number;

  strRstYuan    Varchar2(600);

  strRstFen     Varchar2(200);

  strRst        Varchar2(800);

  Type typeTabMapping Is Table Of Varchar2(2) Index By Binary_Integer;

  tabNumMapping  typeTabMapping;

  tabUnitMapping typeTabMapping;

  numUnitIndex   Number;

  i              Number;

  j              Number;

  charCurrentNum Char(1);

Begin

  If Money Is Null Then

    Return Null;

  End If;

  strYuan := TO_CHAR(FLOOR(Money));

  If strYuan = '0' Then

    numLenYuan := 0;

    strYuanFen := lpad(TO_CHAR(FLOOR(Money * 100)), 2, '0');

  Else

    numLenYuan := length(strYuan);

    strYuanFen := TO_CHAR(FLOOR(Money * 100));

  End If;

  If strYuanFen = '0' Then

    numLenYuanFen := 0;

  Else

    numLenYuanFen := length(strYuanFen);

  End If;

  If numLenYuan = 0 Or numLenYuanFen = 0 Then

    strRst := '零圆整';

    Return strRst;

  End If;

  tabNumMapping(0) := '零';

  tabNumMapping(1) := '壹';

  tabNumMapping(2) := '贰';

  tabNumMapping(3) := '叁';

  tabNumMapping(4) := '肆';

  tabNumMapping(5) := '伍';

  tabNumMapping(6) := '陆';

  tabNumMapping(7) := '柒';

  tabNumMapping(8) := '捌';

  tabNumMapping(9) := '玖';

  tabUnitMapping(-2) := '分';

  tabUnitMapping(-1) := '角';

  tabUnitMapping(1) := '';

  tabUnitMapping(2) := '拾';

  tabUnitMapping(3) := '佰';

  tabUnitMapping(4) := '仟';

  tabUnitMapping(5) := '万';

  tabUnitMapping(6) := '拾';

  tabUnitMapping(7) := '佰';

  tabUnitMapping(8) := '仟';

  tabUnitMapping(9) := '亿';

  For i In 1 .. numLenYuan Loop

    j            := numLenYuan - i + 1;

    numUnitIndex := Mod(i, 8);

    If numUnitIndex = 0 Then

      numUnitIndex := 8;

    End If;

    If numUnitIndex = 1 And i > 1 Then

      strRstYuan := tabUnitMapping(9) || strRstYuan;

    End If;

    charCurrentNum := substr(strYuan, j, 1);

    If charCurrentNum <> 0 Then

      strRstYuan := tabNumMapping(charCurrentNum) ||

                    tabUnitMapping(numUnitIndex) || strRstYuan;

    Else

      If (i = 1 Or i = 5) Then

        If substr(strYuan, j - 3, 4) <> '0000' Then

          strRstYuan := tabUnitMapping(numUnitIndex) || strRstYuan;

        End If;

      Else

        If substr(strYuan, j + 1, 1) <> '0' Then

          strRstYuan := tabNumMapping(charCurrentNum) || strRstYuan;

        End If;

      End If;

    End If;

  End Loop;

  For i In -2 .. -1 Loop

    j              := numLenYuan - i;

    charCurrentNum := substr(strYuanFen, j, 1);

    If charCurrentNum <> '0' Then

      strRstFen := tabNumMapping(charCurrentNum) || tabUnitMapping(i) ||

                   strRstFen;

    End If;

  End Loop;

  If strRstYuan Is Not Null Then

    strRstYuan := strRstYuan || '圆';

  End If;

  If strRstFen Is Null Then

    strRstYuan := strRstYuan || '整';

  Elsif length(strRstFen) = 2 And substr(strRstFen, 2) = '角' Then

    strRstFen := strRstFen || '整';

  End If;

  strRst := strRstYuan || strRstFen;

  --strRst := Replace(strRst, '亿零', '亿');

  --strRst := Replace(strRst, '万零', '万');

  Return strRst;

End Money2Chinese;

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