它总是说假的原因是文件不存在，知道原因吗？因为你有一个\t，这意味着在这里放一个标签字符。

这很容易错过。

这样做：

The reason it always says false is that the file doesn''t exist, know why? Because you have a \t in there, which means "put a tab character here".
It''s an easy miss.
Do this:

它总是说错的原因是文件没有''存在，知道为什么吗？因为你有一个\t，这意味着在这里放一个标签字符。

这很容易错过。

这样做：

The reason it always says false is that the file doesn''t exist, know why? Because you have a \t in there, which means "put a tab character here".
It''s an easy miss.
Do this:

我认为它是*您的*特定环境。我使用vs2005并复制粘贴该代码，它工作正常。

告诉我文件不存在，然后我创建文件，它告诉我它确实存在。
>
你确定文件确实存在吗？

I think it is *your* specific environment. I use vs2005 and copy pasted that code and it worked correctly.
Told me file didn''t exist, then I create the file and it told me it did exist.

Are you SURE the file actually exists?