如何在Java中将ANSI转换为utf8? [英] how to convert ANSI to utf8 in java?

问题描述

我有一个文本文件，它是ANSI编码，我必须将其转换为UTF8编码.

I have a text file it is ANSI Encoding, i have to convert it into UTF8 encoding.

我的文本文件是这样的随机程序设计是研究数学程序设计的一个领域如何在不确定性下建模决策问题.例如，尽管在给定的时间点可能需要做出决定，基本信息可能要等到以后才能使用.

My text file is like this Stochastic programming is an area of mathematical programming that studies how to model decision problems under uncertainty. For example, although a decision might be necessary at a given point in time, essential information might not be available until a later time.

推荐答案

您可以使用java.nio.charset.Charset类(windows-1252是ANSI的专有名称)来明确显示:

You can be explicit with the java.nio.charset.Charset class (windows-1252 is the proper name for ANSI):

public static void main(String[] args) throws IOException {
    Path p = Paths.get("file.txt");
    ByteBuffer bb = ByteBuffer.wrap(Files.readAllBytes(p));
    CharBuffer cb = Charset.forName("windows-1252").decode(bb);
    bb = Charset.forName("UTF-8").encode(cb);
    Files.write(p, bb.array());
}

或者如果您喜欢=，也可以一行显示

Or in one line if you prefer =)

Files.write(Paths.get("file.txt"), Charset.forName("UTF-8").encode(Charset.forName("windows-1252").decode(ByteBuffer.wrap(Files.readAllBytes(Paths.get("file.txt"))))).array());

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