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delphi 字符串前后翻转
演示图
function reverse(s: string): string;
var
i, num: Integer;
st: string;
begin
num := Length(s);
st := '';
for i := num downto 1 do
begin
st := st + s[i];
end;
Result := st;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
Memo1.Text:=reverse('我是中国人');
end;