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","45秒","90秒","135秒","180秒","225秒","270秒","315秒","360秒","405秒","450秒","495秒","540秒","585秒","630秒","675秒","720秒","765秒","810秒","855秒","900秒","945秒","990秒","1035秒","1080秒","1125秒","1170秒","1215秒","1260秒","1305秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [45.3,61.3,48,53.3,49.3,44,36,60,78.7,48,56,56,38.7,44,49.3,57.3,60,38.7,42.7,33.3,61.3,41.3,45.3,54.7,54.7,66.7,58.7,57.3,41.3,14.7], 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); };