option = { tooltip: { trigger: 'axis', }, legend: { data: ['准时率'] }, grid: { left: '4%', right: '4%', bottom: '3%', containLabel: true }, xAxis: { boundaryGap: false, data: ['12月01', '12月02', '12月03', '12月04', '12月05', '12月06', '12月07'] }, yAxis: { name: '百分比(%)', type: 'value' }, series: [{ name: '准时率', type: 'line', data: [89, 62, 71, 84, 80, 67, 73] }] }; myChart.setOption(option); function randomData() { return Math.round(Math.random() * 1000); }