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","90秒","180秒","270秒","360秒","450秒","540秒","630秒","720秒","810秒","900秒","990秒","1080秒","1170秒","1260秒","1350秒","1440秒","1530秒","1620秒","1710秒","1800秒","1890秒","1980秒","2070秒","2160秒","2250秒","2340秒","2430秒","2520秒"], datasets: [{ label: '瞬时速度', backgroundColor: window.chartColors.orange, borderColor: window.chartColors.orange, data: [22,26,30.7,26,30,34.7,26.7,26.7,23.3,25.3,26,28.7,27.3,27.3,32.7,22,29.3,32.7,26,28,23.3,29.3,30,28,18,25.3,26.7,32.7,16.7], 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); };