从 Java 中的字符串中删除 BOM
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/26847500/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
Remove BOM from string in Java
提问by nkuhta
I have string in file, that contains BOM (from UTF-8). I want to convert this string to win-1251 and put it in file.
我在文件中有字符串，其中包含 BOM（来自 UTF-8）。我想将此字符串转换为 win-1251 并将其放入文件中。
I trying to remove BOM from string in this way:
我试图以这种方式从字符串中删除 BOM：
out.write(l.replace('\uFEFF','?1,...SOME_TEXT_HERE
') + "\n");
But it don't work. Why?
但它不起作用。为什么？
Output of this string in win-1251 file:
此字符串在 win-1251 文件中的输出：
out.write(l.replace("\uFEFF", "") + "\n");
First "?" sign is illegal.
第一的 ”？” 标志是非法的。
回答by Jon Skeet
You're replacing the BOM with U+0000, rather than with an empty string. You should replace the BOM with the empty string, e.g.
您正在用 U+0000 代替 BOM，而不是用空字符串。您应该用空字符串替换 BOM，例如
##代码##