使用Google Analytics核心报告API查询中的数据绘制图表

I have a question regarding the Google Analytics Core Reporting API and displaying the result Data within a Chart. I´ve managed to make a query to Analytics, which works just fine. I can choose a start and end-date, the Property and some Dimensions and Metrics in a Web-Formular. Then in return I´m getting all the data, I think in a dataTable Format,because of the Query-Option 'output': 'datatable'I have a question regarding the Google Analytic