我有这个疑问,这将使我那些有场“用户名”行复制: SELECT id, jos_users.username, email, password, lastvisitDate
FROM jos_users
INNER JOIN (SELECT username
FROM jos_users
GROUP BY username HAVING count(id) > 1)
我试图绘制堆积面积(填充线)在某些点上叠加与空多个系列就像是 series 1: [0,5],[1,3],[2,2],[3,2],[4,2]
series 2: [0,5],[1,2],[2,null],[3,1],[4,2]
series 3: [0,5],[1,3],[2,2],[3,5],[4,2]
在上述情况下,在点2,海军报不绘制系列3:[2,2] 我看到图表绘制3系列在堆,