Awesome Chartecharts bar' }, { type: 'bar' }, { type: 'bar配置项内容和展示

      option = {
    legend: {},
    tooltip: {},
    dataset: {
        source: [
            ['product', '2015', '2016', '2017'],
            ['Matcha Latte', 43.3, 85.8, 93.7],
            ['Milk Tea', 83.1, 73.4, 55.1],
            ['Cheese Cocoa', 86.4, 65.2, 82.5],
            ['Walnut Brownie', 72.4, 53.9, 390.1]
        ]
    },
    xAxis: {
        type: 'category'
    },
    yAxis: [{
        type: 'value'
    }, {
        type: 'value'
    }],
    // Declare several bar series, each will be mapped
    // to a column of dataset.source by default.
    series: [{
            type: 'bar'
        },
        {
            type: 'bar'
        },
        {
            type: 'bar',
            yAxisIndex: 1
        },
    ]
};