在上传了图文消息之后，我使用测试号预览图文消息接口，得到的结果如下:
我想得到的结果如下:
我该如何实现首篇文章是大图的效果？
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附：公众号图文消息API
{ "articles": [ { "thumb_media_id":"qI6_Ze_6PtV7svjolgs-rN6stStuHIjs9_DidOHaj0Q-mwvBelOXCFZiq2OsIU-p", "author":"xxx", "title":"Happy Day", "content_source_url":"www.qq.com", "content":"content", "digest":"digest", "show_cover_pic":1, "need_open_comment":1, "only_fans_can_comment":1 }, { "thumb_media_id":"qI6_Ze_6PtV7svjolgs-rN6stStuHIjs9_DidOHaj0Q-mwvBelOXCFZiq2OsIU-p", "author":"xxx", "title":"Happy Day", "content_source_url":"www.qq.com", "content":"content", "digest":"digest", "show_cover_pic":0, "need_open_comment":1, "only_fans_can_comment":1 } ]} |
