                       data:['上证指数','成交金额(万)','虚拟数据']
                    },
                    toolbox: {
                        show : true,
                        feature : {
                            mark : {show: true},
                            dataZoom : {show: true},
                            magicType : {show: true, type: ['line', 'bar']},
                            restore : {show: true},
                            saveAsImage : {show: true}
                   