def upload_articles(self, articles):
articles_data = []<EOL>for article in articles:<EOL><INDENT>articles_data.append({<EOL>'<STR_LIT>': article['<STR_LIT>'],<EOL>'<STR_LIT:title>': article['<STR_LIT:title>'],<EOL>'<STR_LIT:content>': article['<STR_LIT:content>'],<EOL>'<STR_LIT>': article.get('<STR_LIT>', '<STR_LIT>'),<EOL>'<STR_LIT>': article.get('<STR_LIT>', '<STR_LIT>'),<EOL>'<STR_LIT>': article.get('<STR_LIT>', '<STR_LIT>'),<EOL>'<STR_LIT>': article.get('<STR_LIT>', <NUM_LIT:0>)<EOL>})<EOL><DEDENT>return self._post(<EOL>'<STR_LIT>',<EOL>data={<EOL>'<STR_LIT>': articles_data<EOL>}<EOL>)<EOL>
上传图文消息素材
详情请参考
http://mp.weixin.qq.com/wiki/15/5380a4e6f02f2ffdc7981a8ed7a40753.html

:param articles: 图文消息数组
:return: 返回的 JSON 数据包