javascript - 請教chart.js的曲線圖如何加上類似echarts dataZoom的功能？

問題描述

’use strict’;var salesChartCanvas = $('#salesChart').get(0).getContext('2d');var salesChart = new Chart(salesChartCanvas);var salesChartData = { labels: ['1日', '2日', '3日', '4日', '5日', '6日', '7日', '8日', '9日', '10日', '11日', '12日', '13日', '14日', '15日', '16日', '17日', '18日', '19日', '20日', '21日', '22日', '23日', '24日', '25日', '26日', '27日', '28日', '29日', '30日', '31日'], datasets: [{ label: 'Electronics', fillColor: 'rgb(210, 214, 222)', strokeColor: 'rgb(210, 214, 222)', pointColor: 'rgb(210, 214, 222)', pointStrokeColor: '#c1c7d1', pointHighlightFill: '#fff', pointHighlightStroke: 'rgb(220,220,220)', data: beian //[59, 65, 80, 81, 56, 55, 40,65, 59, 80, 81, 56, 55, 40,65, 59, 80, 81, 56, 55, 40,65, 59, 80, 81, 56, 55, 40,28, 48, 40]},{ label: 'Digital Goods', fillColor: 'rgba(60,141,188,0.9)', strokeColor: 'rgba(60,141,188,0.8)', pointColor: '#3b8bba', pointStrokeColor: 'rgba(60,141,188,1)', pointHighlightFill: '#fff', pointHighlightStroke: 'rgba(60,141,188,1)', data: lengen //[28, 19, 27, 48, 40, 86, 90, 48, 40, 19, 27,28, 86, 90,28, 27,48, 40, 19, 86, 90,28, 48, 40, 19, 27, 86, 90,0,0,0]} ]};var salesChartOptions = { showScale: true, scaleShowGridLines: false, scaleGridLineColor: 'rgba(0,0,0,.05)', scaleGridLineWidth: 1, scaleShowHorizontalLines: true, scaleShowVerticalLines: true, bezierCurve: true, bezierCurveTension: 0.3, pointDot: false, pointDotRadius: 4, pointDotStrokeWidth: 1, pointHitDetectionRadius: 20, datasetStroke: true, datasetStrokeWidth: 2, datasetFill: true, legendTemplate: '<ul class='<%=name.toLowerCase()%>-legend'><% for (var i=0; i<datasets.length; i++){%><li><span style='background-color:<%=datasets[i].lineColor%>'></span><%=datasets[i].label%></li><%}%></ul>', maintainAspectRatio: true, responsive: true};//Create the line chartsalesChart.Line(salesChartData, salesChartOptions);

圖片

問題解答

來自Github Chart.js Issue：https://github.com/chartjs/Ch...

里面提到了這個插件：ChartJS Zoom