Python学习笔记 --- utf-8与utf-8-sig 两种编码格式区别

As UTF-8 is an 8-bit encoding no BOM is required and anyU+FEFF character in the decoded Unicode string (even if it’s the firstcharacter) is treated as a ZERO WIDTH NO-BREAK SPACE.

UTF-8以字节为编码单元,它的字节顺序在所有系统中都是一様的,没有字节序的问题,也因此它实际上并不需要BOM(“ByteOrder Mark”), 但是UTF-8 with BOM即utf-8-sig需要提供BOM("ByteOrder Mark")。

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