window.chartColors = { red: 'rgb(255, 99, 132)', orange: 'rgb(255, 159, 64)', yellow: 'rgb(255, 205, 86)', green: 'rgb(75, 192, 192)', blue: 'rgb(54, 162, 235)', purple: 'rgb(153, 102, 255)', grey: 'rgb(201, 203, 207)' }; var config = { type: 'line', data: { labels: ["0秒","85秒","170秒","255秒","340秒","425秒","510秒","595秒","680秒","765秒","850秒","935秒","1020秒","1105秒","1190秒","1275秒","1360秒","1445秒","1530秒","1615秒","1700秒","1785秒","1870秒","1955秒","2040秒","2125秒","2210秒","2295秒","2380秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [28.9,33.2,31.1,31.8,38.8,36.7,40.2,46.6,39.5,33.9,41.6,33.9,42.4,36,24,23.3,35.3,36,41.6,23.3,40.9,46.6,39.5,32.5,36.7,33.2,43.1,43.1,7.8], fill: false, }] }, options: { responsive: true, title: { display: false, text: '打字速度曲线' }, tooltips: { mode: 'index', intersect: false, }, hover: { mode: 'nearest', intersect: true }, scales: { xAxes: [{ display: true, scaleLabel: { display: true, labelString: '时间' } }], yAxes: [{ display: true, scaleLabel: { display: true, labelString: '速度' } }] } } }; window.onload = function() { var ctx = document.getElementById('canvas').getContext('2d'); window.myLine = new Chart(ctx, config); };