   name: 'bar',
                        type: 'bar',
                        stack: 'one',
                        itemStyle: itemStyle,
                        data: data1
                    }, {
                        name: 'bar2',
                        type: 'bar',
                        stack: 'one',
                        itemStyle: itemStyle,
                        data: data2
                    }, {
                        name: 'bar3',
                        type: 'bar',
                   