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","75秒","150秒","225秒","300秒","375秒","450秒","525秒","600秒","675秒","750秒","825秒","900秒","975秒","1050秒","1125秒","1200秒","1275秒","1350秒","1425秒","1500秒","1575秒","1650秒","1725秒","1800秒","1875秒","1950秒","2025秒","2100秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [28,30.4,40.8,23.2,24.8,32,24.8,39.2,22.4,27.2,32,32,28,32.8,24.8,39.2,33.6,27.2,38.4,16,1.6,41.6,24.8,28.8,34.4,37.6,35.2,31.2,23.2], 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); };