.csv文件读取困难
[英]Difficulty reading .csv file
问题描述
I am trying to read in a .csv file (output from Excel) in C. I assumed the file would only be text values, but I have found 3 characters at the beginning of the file. 
我试图读取C中的.csv文件（Excel的输出）。我认为该文件只是文本值，但是我在文件的开头发现了3个字符。 They are (unsigned char): 239, 187, 191. 它们是（无符号字符）：239、187、191。
Since I am not expecting these values, my reader gets confused and causes problems. 由于我不期望这些值，所以我的读者会感到困惑并引起问题。 But I have not been able to find documentation. 但是我一直找不到文档。 I saved the file as a UTF-8 .csv file from Excel. 我从Excel将文件另存为UTF-8 .csv文件。
1 个解决方案
解决方案1
0 2018-03-22 13:06:36
The UTF-8 representation of the BOM (byte order mark) is the (hexadecimal) byte sequence 0xEF,0xBB,0xBF. BOM的UTF-8表示形式（字节顺序标记）是（十六进制）字节序列0xEF，0xBB，0xBF。 These may be displayed as the characters . 这些可能显示为字符。
In decimal, these values are 239, 187, and 191 as shown above. 如上所示，以十进制表示的这些值为239、187和191。
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