超酷HTML5 Canvas图表应用Chart.js自定义提示折线图
实现图http://www.shouce.ren/example/try?pc=/api/jq/Chart/index.html
实例代码
<div class="htmleaf-container"> <div class="htmleaf-content"> <div style="width:30%;margin:0 auto;"> <div> <canvas id="canvas" height="450" width="600"></canvas> </div> </div> </div> </div> <script src="/api/jq/Chart/js/Chart.js"></script> <script> var randomScalingFactor = function() { return Math.round(Math.random() * 100) }; var lineChartData = { labels: ["January", "February", "March", "April", "May", "June", "July"], datasets: [ { label: "My First dataset", fillColor: "rgba(220,220,220,0.2)", strokeColor: "rgba(220,220,220,1)", pointColor: "rgba(220,220,220,1)", pointStrokeColor: "#fff", pointHighlightFill: "#fff", pointHighlightStroke: "rgba(220,220,220,1)", data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()] }, { label: "My Second dataset", fillColor: "rgba(151,187,205,0.2)", strokeColor: "rgba(151,187,205,1)", pointColor: "rgba(151,187,205,1)", pointStrokeColor: "#fff", pointHighlightFill: "#fff", pointHighlightStroke: "rgba(151,187,205,1)", data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()] } ] } window.onload = function() { var ctx = document.getElementById("canvas").getContext("2d"); window.myLine = new Chart(ctx).Line(lineChartData, { responsive: true }); } </script>