[英]Google charts JSON format for stacked bar chart
编辑:我正在下面的布局中查找示例。 我可能是缺少某些东西,因为这是我第一次使用Google Charts ...感谢您的帮助!
{
"cols": [
{"id":"","label":"Store 1","pattern":"","type":"number"},
{"id":"","label":"Store 2","pattern":"","type":"number"},
{"id":"","label":"Store 3","pattern":"","type":"number"},...
],
"rows": [
{"c":[{"v":"morning","f":'15'},{"v":"noon","f":'20'},{"v":"night","f":'25'}]},...
]
}
我找不到任何示例说明如何为Google图表的堆叠条形图格式化JSON记录。 我尝试了几种组合,但是我正在努力使其形象化。
我的数据包含:
Store 1 Store 2
store_id walk-ins walk-ins
morning 20 25
noon 35 40
night 50 55
有20个存储库,以图表方式堆叠每行的值。
我的JSON现在看起来像:
[{"store_id":"Store 1","time":"morning","walk-ins":"20"}, and so on...]
一旦确定了格式化记录的格式,我将很高兴分享PHP! 有人可以指出一个我可能错过的例子吗? 谢谢你的帮助。
您是否检查过文档 ?
JSON格式似乎是一个数组数组:
var data = google.visualization.arrayToDataTable([
['Year', 'Sales', 'Expenses'],
['2004', 1000, 400],
['2005', 1170, 460],
['2006', 660, 1120],
['2007', 1030, 540]
]);
这意味着您的数据将如下所示:
[
["store_id", "time","walk-ins"],
["Store 1","morning","30"],
["Store 2","afternoon","40"],
["Store 3","night","50"]
]
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