UnicodeEncodeError: 'ascii' codec can't encode character u'xe9' in position 7: ordinal not in range(128) [duplicate]

Python在往文件里写东西的时候，如果ascii码报错

参考

http://stackoverflow.com/questions/19833440/unicodeencodeerror-ascii-codec-cant-encode-character-u-xe9-in-position-7

You need to encode Unicode explicitly before writing to a file, otherwise Python does it for you with the default ASCII codec.

Pick an encoding and stick with it:

f.write(printinfo.encode('utf8') + '
')