同一个dom绘制两个bar图，第二个显示不贴X轴echarts 柱状配置项内容和展示

同一个dom绘制两个bar图，第二个显示不贴X轴

      app.title = '堆叠条形图';

option = {
    tooltip : {
        trigger: 'axis',
        axisPointer : {            // 坐标轴指示器，坐标轴触发有效
            type : 'shadow'        // 默认为直线，可选为：'line' | 'shadow'
        }
    },
    legend: [
            {
        data: ['直接访问', '邮件营销','联盟广告'],
        left: '3%'
    },{
        data: ['视频广告','搜索引擎'],
        left: '50%'
    }
        ],
    grid: [{
        left: '3%',
        bottom: '3%',
        width: '40%',
        containLabel: true
    },{
        left: '50%',
        bottom: '3%',
        width: '40%',
        containLabel: true
    }],
    xAxis: [ {
        gridIndex: 0,
         type: 'category',
        data: ['周一','周二','周三']
    }, {
        gridIndex: 1,
         type: 'category',
        data: ['周六','周日']
    }],
    yAxis: [{
        gridIndex: 0,
        type: 'value'
    },{
        gridIndex: 1,
        type: 'value'
    }],
    series: [
        {
            name: '直接访问',
            xAxisIndex: 0,
            yAxisIndex: 0,
            type: 'bar',
            stack: '总量',
            label: {
                normal: {
                    show: true,
                    position: 'insideRight'
                }
            },
            data: [320, 302, 301]
        },
        {
            name: '邮件营销',
            xAxisIndex: 0,
            yAxisIndex: 0,
            type: 'bar',
            stack: '总量',
            label: {
                normal: {
                    show: true,
                    position: 'insideRight'
                }
            },
            data: [120, 132, 101]
        },
        {
            name: '联盟广告',
            xAxisIndex: 0,
            yAxisIndex: 0,
            type: 'bar',
            stack: '总量',
            label: {
                normal: {
                    show: true,
                    position: 'insideRight'
                }
            },
            data: [220, 182, 191]
        },
        {
            name: '视频广告',
            xAxisIndex: 1,
            yAxisIndex: 1,
            type: 'bar',
            stack: '总量1',
            label: {
                normal: {
                    show: true,
                    position: 'insideRight'
                }
            },
            data: [330, 410]
        },
        {
            name: '搜索引擎',
            xAxisIndex: 1,
            yAxisIndex: 1,
            type: 'bar',
            stack: '总量1',
            label: {
                normal: {
                    show: true,
                    position: 'insideRight'
                }
            },
            data: [1330, 1320]
        }
    ]
};