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","1080秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [72,55.5,66,54,78,79.5,78,64.5,52.5,84,84,45,46.5,64.5,54,63,57,45,25.5,60,61.5,78,73.5,70.5,70.5,67.5,85.5,54], 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); };