//对象：spreadsheetReport，事件：onChartClick
                    function main(spreadsheetReport, spreadsheetReportChart) {
                        console.log(spreadsheetReportChart.chartData);
                    }
                    
                    // 输出：
                    {
                        category: [["小米"], ["汽水"], ["牛奶"], ...],
                        categoryDisplay: ["小米"], ["汽水"], ["牛奶"], ...,
                        name: "图表 1",
                        series: {
                            name: "销售量",
                            type: "COLUMN_STACKED",
                            points: Array(76)
                        }
                    }