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delphi 循环 Low High 用法
var
S: string;
I: Integer;
Found: Boolean;
begin
S := 'Hello World';
Found := False;
for I := Low (S) to High (S) do
Memo1.Lines.Add(S[I]);
另一个循环用法:
var
S: string;
I: Integer;
Found: Boolean;
begin
S := 'Hello World';
Found := False;
I := Low (S);
while not Found and (I <= High(S)) do
begin
Memo1.Lines.Add(S[I]);
{if (S[I]) = 'o' then
Found := True; }
Inc (I);
end;