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","40秒","80秒","120秒","160秒","200秒","240秒","280秒","320秒","360秒","400秒","440秒","480秒","520秒","560秒","600秒","640秒","680秒","720秒","760秒","800秒","840秒","880秒","920秒","960秒","1000秒","1040秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [52.5,37.5,40.5,40.5,31.5,34.5,42,36,37.5,33,33,36,49.5,24,31.5,37.5,30,15,30,24,27,36,25.5,36,15,7.5,21], 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); };