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UTF-8，UTF-16

UTF-8，UTF-16

UTF-8，UTF-16

UTF-8，UTF-16

1

Omit the XML declaration , and use the UTF-8 encoding , or use a UTF-16 Unicode Byte Order Mark (BOM) at the beginning of your document .

在文档的开头部分，省略 XML 声明，并使用 UTF-8 编码，或者使用 UTF-16Unicode 字节顺序标记（ByteOrderMark，BOM ）。

2

Even documents that use the default UTF-8 and UTF-16 encodings should have such a declaration .

即使采用默认 UTF-8 和 UTF-16 编码的文档也应该有这样的声明。

3

UTF-8 is less likely than UTF-16 or other Unicode encodings to cause problems for systems that are unaware of Unicode and XML .

与 UTF-16 或其他 Unicode 编码相比，对于不支持 Unicode 和 XML 的系统，UTF-8 更不容易造成问题。

4

First , unlike UTF-16, UTF-8 has no endianness issues .

首先，与 UTF-16 相比，UTF-8 没有 endianness 问题。

5

Notepad. Exe can save files that are encoded in the current system ANSI codepage, in UTF-8, or in UTF-16 (also called Unicode ).

Notepad.exe 可以保存当前系统 ANSI 代码页中用 UTF-8 或 UTF-16 （也称为 Unicode ）编码的文件。

6

For CJK scripts, however , UTF-8 can require three bytes for each character, potentially causing larger data sizes than UTF-16.

但是，对于 CJK 语言，UTF-8 可能要求每个字符使用三个字节，这样，数据大小可能超过 UTF-16 。

7

8

Big-endian and little-endian UTF-8 are identical , because UTF-8 is defined in terms of 8-bit bytes rather than 16-bit words .

UTF-8 用 Big-endian 和 little-endian 来表示都是一样的，因为 UTF-8 是按 8 位字节而不是 16 位字定义的。

9

Use UTF-8, ASCII, and UTF-16 character encodings, which are faster than ANSI and Windows codepage encodings .

使用 UTF-8 、ASCII 和 UTF-16 字符编码，它们比 ANSI 和 Windows 代码页编码更快。

10

Characters in the ASCII range occupy only half the space in UTF-8 that they do in some other encodings of Unicode , particularly UTF-16.

与其他 Unicode 编码特别是 UTF-16 相比，在 UTF-8 中 ASCII 字符占用的空间只有一半。

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