python：解决json.dump中文乱码问题

Python2.7

# -*- coding: utf-8 -*-
m = {'a' : '你好'}

print m
=>{'a': '\xe4\xbd\xa0\xe5\xa5\xbd'}

print json.dumps(m)
=>{"a": "\u4f60\u597d"}

print json.dumps(m,ensure_ascii=False)
=>{"a": "浣犲ソ"}

print json.dumps(m,ensure_ascii=False).decode('utf8').encode('gb2312')
=>{"a": "你好"}

Python3

print json.dumps(m,ensure_ascii=False)

=>{"a": "你好"}

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