function getsAB(s,s1,s2:string):string; var i1,i2,i3:Integer; begin i1:=Pos(s1,s); i2:=Pos(s2,s); i3:=i2-i1; result:=Copy(s,i1+length(s1),i3-length(s1)); end;
你把‘100元’这个字符串传到一个变量中,然后写个函数直接取数字 以下也是在网上看见的某个高人写的函数:参考一下吧: function GetNumberFromStr(aStr: String): String; var i: integer; begin Try Result:= ''; for i:=1 to Length(aStr) do begin if ( Ord(aStr[i]) in [Ord('0')..ord('9')] ) then begin Result:= Result+aStr[i]; end; end; Except On E:Exception Do begin Result:=''; exit; end; End; end;
以下也是在网上看见的某个高人写的函数:参考一下吧:
function GetNumberFromStr(aStr: String): String;
var
i: integer;
begin
Try
Result:= '';
for i:=1 to Length(aStr) do
begin
if ( Ord(aStr[i]) in [Ord('0')..ord('9')] ) then
begin
Result:= Result+aStr[i];
end;
end;
Except
On E:Exception Do
begin
Result:='';
exit;
end;
End;
end;
phonecode: double; // 这个过程转换int64有问题,所以只好用double了
amount: cardinal;
confirm: string; scan(这里写上读取的串, '用户%f交了%d元%s', [@phonecode, @amount, @confirm]);
writeln(phonecode:11:0); // 测试
writeln(amount); // 测试
writeln(confirm); // 测试