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","100秒","200秒","300秒","400秒","500秒","600秒","700秒","800秒","900秒","1000秒","1100秒","1200秒","1300秒","1400秒","1500秒","1600秒","1700秒","1800秒","1900秒","2000秒","2100秒","2200秒","2300秒","2400秒","2500秒","2600秒","2700秒","2800秒","2900秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [17.4,20.4,21,24.6,19.2,21,27.6,16.8,15,12,17.4,4.2,18.6,16.2,12.6,15.6,19.2,7.8,11.4,13.2,12.6,17.4,20.4,19.8,15.6,21.6,19.2,7.2,30,6], 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); };