option = { legend: {}, tooltip: {}, dataset: { source: [ ['product', '2012', '2013', '2014', '2015', '2016', '2017'], ['Milk Tea', 86.5, 92.1, 85.7, 83.1, 73.4, 55.1], ['Matcha Latte', 41.1, 30.4, 65.1, 53.3, 83.8, 98.7], ['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4, 65.2, 82.5], ['Walnut Brownie', 55.2, 67.1, 69.2, 72.4, 53.9, 39.1] ] }, yAxis: { type: 'category', boundaryGap: true }, xAxis: { type: 'value' }, series: [ { type: 'bar', stack: '产品', seriesLayoutBy: 'column', label: { show: true, position: 'inside' }, encode: { y: 'product', x: '2012', itemName: 'product', value: '2012' } }, { type: 'bar', stack: '产品', seriesLayoutBy: 'column', label: { show: true, position: 'inside' }, encode: { y: 'product', x: '2012', itemName: 'product', value: '2013' } }, { type: 'bar', stack: '产品', seriesLayoutBy: 'column', label: { show: true, position: 'inside' }, encode: { y: 'product', x: '2012', itemName: 'product', value: '2014' } }, { type: 'bar', stack: '产品', seriesLayoutBy: 'column', label: { show: true, position: 'inside' }, encode: { y: 'product', x: '2012', itemName: 'product', value: '2015' } } ] };