Linux下打开windows中文文本乱码问题

$ file test_file.txt
test_file.txt: ISO- text, with very long lines$ file train_model.py
train_model.py: Python script, UTF- Unicode text executable$ file 接口文档.docx
接口文档.docx: Microsoft Word +

$ iconv -f gb2312 -t utf- test_file.txt -o test_file_utf8.txt
$ file test_file_utf8.txt
test_file_utf8.txt: UTF- Unicode text

$ iconv --help
Usage: iconv [OPTION...] [FILE...]
Convert encoding of given files from one encoding to another. Input/Output format specification:
-f, --from-code=NAME encoding of original text
-t, --to-code=NAME encoding for output Information:
-l, --list list all known coded character sets Output control:
-c omit invalid characters from output
-o, --output=FILE output file
-s, --silent suppress warnings
--verbose print progress information -?, --help Give this help list
--usage Give a short usage message
-V, --version Print program versionMandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.For bug reporting instructions, please see:
<https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs>.