Java：无法保存为UTF-8 [英] Java: can't save in UTF-8

问题描述

我在java中有这行代码：

I have this line of code in java:

new BufferedWriter(new OutputStreamWriter(new FileOutputStream(name, append), "UTF-8"));

此编写器不会写入UTF-8文件，因为当我在记事本++中打开它时，编码为：ANSI为UTF-8。我需要它是纯UTF-8。

This writer does not write an UTF-8 file, because when I open it in notepad++ it says that the encoding is: ANSI as UTF-8. I need it to be pure UTF-8.

你有什么建议吗？

推荐答案

notepad ++（和任何其他工具）只能猜测编码，它不会写入文件（或某些元数据）的任何位置。

notepad++ (and any other tool) can only guess the encoding, it's not written anywhere in your file (or in some metadata).

如果您编写的文本不包含任何超出ASCII范围的字符（即没有Unicode码点大于127的字符），那么具有ANSI编码的文件与UTF-8编码中的文件不可区分。

And if the text you've written doesn't contain any characters outside the ASCII range (i.e. no character with a Unicode codepoint > 127), then a file with ANSI encoding is indistinguishable from one in UTF-8 encoding.

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