function num_str(ls: Variant): string;
var
dx_sz, dx_dw, str_int, str_dec, dx_str, fu: string;
a, b, b2, c, d: string;
num_int, num_dec, len_int, i, a_int, pp: integer; //dx_str为返回字符串
begin
dx_sz := '零壹贰叁肆伍陆柒捌玖';
dx_dw := '万仟佰拾亿仟佰拾万仟佰拾元';
//处理金额小于零情况
if ls < 0 then
begin
ls := ls * -1;
fu := '负';
end
else
fu := '';
//取得整数值及整数串
dx_str := ls;
if (ls > 0) and (ls < 1) then dx_str := '0' + dx_str;
pp := pos('.', dx_str);
if pp > 0 then
str_int := copy(dx_str, 1, pos('.', dx_str) - 1)
else
str_int := dx_str;
num_int := strtoint(str_int);
//取得小数值及小数串
if (ls > 0) and (ls < 1) then
num_dec := ls * 100
else
num_dec := (ls - num_int) * 100;
str_dec := inttostr(num_dec);
len_int := Length(str_int);
dx_str := '';
//转换整数部分
for i := 1 to len_int do
begin
//a为小写数字字符,b为对应的大写字符
//c为对应大写单位,d为当前大写字符串的最后一个汉字
a := copy(str_int, i, 1);
a_int := strtoint(a);
b := copy(dx_sz, (a_int * 2 + 1), 2);
c := copy(dx_dw, ((13 - len_int + i - 1) * 2 + 1), 2);
if dx_str<> '' then
d := copy(dx_str, Length(dx_str) - 1, 2)
else
d := '';
if (b = '零') and ((d = '零') or (b = b2) or (c = '元') or (c = '万') or (c = '亿')) then b := '';
if (a = '0') and (c <> '元') and (c <> '万') and (c <> '亿') then c := '';
if ((c = '元') or (c = '万') or (c = '亿')) and (d = '零') and (a = '0') then
begin
dx_str := copy(dx_str, 1, Length(dx_str) - 2);
d := copy(dx_str, Length(dx_str) - 1, 2);
if ((c = '元') and (d = '万')) or ((c = '万') and (d = '亿')) then c := '';
end;
dx_str := dx_str + b + c;
b2 := b;
end;
//处理金额小于1的情况
if Length(dx_str) <= 2 then dx_str := '';
//转换小数部分
if (num_dec < 10) and (ls > 0) then
begin
a_int := strtoint(str_dec);
b := copy(dx_sz, (a_int * 2 + 1), 2);
if num_dec = 0 then dx_str := dx_str + '整';
if num_dec > 0 then dx_str := dx_str + '零' + b + '分';
end;
if num_dec >= 10 then
begin
a_int := strtoint(copy(str_dec, 1, 1));
a := copy(dx_sz, (a_int * 2 + 1), 2);
a_int := strtoint(copy(str_dec, 2, 1));
b := copy(dx_sz, (a_int * 2 + 1), 2);
if a <> '零' then a := a + '角';
if b <> '零' then
b := b + '分'
else
b := '';
dx_str := dx_str + a + b;
end;
if ls = 0 then dx_str := '零元整';
dx_str := fu + dx_str;
//函数返回字符串
Result := dx_str;
end;