绘制折线图
我有一个正在绘制折线图的谷歌图表调用...我的问题是
http://chart.apis.google.com/chart?chxl=0:|Jan|Feb|March|June|July&chxt=x,y&chf=bg,lg,90,efefef,0,ffffff,1&chd=s:FP9XlFP9Xl&chdl=first+data+set+label|second+data+set+label&chtt=metallica's+recent+requests&cht=lc&chs=770x300&chxr=0,10,120
我如何进行一些研究并发现这部分 chd=s:FP9XlFP9Xl 正在绘制但如何.. .我看到的只是字母。另外,我还指定了像一月和二月这样的月份。我怎么说折线图中的一些图是一个月,一个是另一个月……任何帮助将不胜感激……
i have this google charts call which is plotting a line graph...my question is how
http://chart.apis.google.com/chart?chxl=0:|Jan|Feb|March|June|July&chxt=x,y&chf=bg,lg,90,efefef,0,ffffff,1&chd=s:FP9XlFP9Xl&chdl=first+data+set+label|second+data+set+label&chtt=metallica's+recent+requests&cht=lc&chs=770x300&chxr=0,10,120
I did some research and found that this part chd=s:FP9XlFP9Xl
is what is doing the plotting but how...all i see is letters. Also I am specifying months like January and February ext.. how do i say that some plots in the line graph are for one month and one for another...Any help would be highly appreciated...
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有关 Google 图表数据编码的更多信息,请参见此处 http://code .google.com/apis/chart/docs/data_formats.html#extended
There's more information on the encoding of the google chart data here http://code.google.com/apis/chart/docs/data_formats.html#extended