SELECT c.username,c.sex,c.attentions,c.fans,a.id
,a.content
,a.isnum
,a.times
,a.turm
,a.keep
,a.comments
,a.uid
,b.mini
,b.mednum
,b.maxs
FROM (wb_userinfo c LEFT JOIN wb_weibo a ON c.uid = a.uid)
LEFT JOIN wb_picture b ON a.id
= b.wid
WHERE a.uid
IN(SELECT follow
FROM wb_follow WHERE fans
= 27) OR a.uid
= 27 ORDER BY a.times
LIMIT 0,10;
有用or的可以考虑换成用union来尝试下