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' }, }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true, }, xAxis: [ { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], axisTick: { alignWithLabel: true, }, }, ], yAxis: [ { type: 'value', }, ], series: [ { name: '背景', type: 'bar', data: [100, 100, 100, 100, 100], itemStyle: { normal: { color: 'rgba(0, 255, 255,.3)', borderColor: '#00ffff', }, }, }, { name: '背景2', type: 'bar', data: [100, 100, 100, 100, 100], itemStyle: { normal: { color: 'rgba(255, 204, 0,.3)', borderColor: '#ffcc00', }, }, }, ], };