官网：/chartjs/Chart.js
用到的是里面的chart.js-3.5.0\package\dist\chart.js文件
编写测试例子：
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>test</title><script src="chart.js"></script></head><body><!--柱状图。用div容器包装，可修改图表大小、背景颜色--><div style="width:400px;height:300px;background-color:#0a073a;display:inline-block;margin-right:50px;"><canvas id="myChart" width="400" height="300" ></canvas></div><!--折线图--><div style="width:400px;height:300px;background-color:#0a073a;display:inline-block;"><canvas id="myChart2" width="400" height="300" ></canvas></div><script>var ctx = document.getElementById("myChart").getContext('2d');var myChart = new Chart(ctx, {type: 'bar',data: {labels: ["颜值","身材","高冷","贴心","主见","可靠","聪明"],datasets: [{label: '特点值',data: [6.7,6.7,8.0,8.5,6.7,8.6,8.2],backgroundColor: ['rgba(255, 99, 132, 0.8)','rgba(54, 162, 235, 0.8)','rgba(255, 206, 86, 0.8)','rgba(75, 192, 192, 0.8)','rgba(153, 102, 255, 0.8)','rgba(255, 159, 64, 0.8)','rgba(208 ,100, 82,0.8)'],borderColor: ['rgba(255,99,132,0.8)','rgba(54, 162, 235, 0.8)','rgba(255, 206, 86, 0.8)','rgba(75, 192, 192, 0.8)','rgba(153, 102, 255, 0.8)','rgba(255, 159, 64,0.8)','rgba(208 ,100, 82,0.8)'],borderWidth: 1}]},options: {//从零开始scales: {yAxes: [{ticks: {beginAtZero:true}}]}}});var ctx = document.getElementById("myChart2").getContext('2d');var myChart = new Chart(ctx, {type: "line",data: {labels: [".09", ".10", ".11",".12", ".01", ".02", ".03", ".04", ".05", ".06", ".07", ".08"],datasets: [{label: '心动值',data: [5.1,5.5,6.5,7.3,8.1,8.4,8.7,9.1,9.2,9.3,9.2,9.4],backgroundColor: ['rgba(255, 99, 132, 0.8)','rgba(54, 162, 235, 0.8)','rgba(255, 206, 86, 0.8)','rgba(75, 192, 192, 0.8)','rgba(153, 102, 255, 0.8)','rgba(255, 159, 64, 0.8)','rgba(40,177,164,0.8)','rgba(206, 51 ,27,0.8)','rgba(42 ,187, 60,0.8)','rgba(213, 34 ,199,0.8)'],borderColor: ['rgba(255,99,132,1)','rgba(54, 162, 235, 1)','rgba(255, 206, 86, 1)','rgba(75, 192, 192, 1)','rgba(153, 102, 255, 1)','rgba(255, 159, 64, 1)','rgba(40 ,177, 164,1)','rgba(206, 51 ,27,1)','rgba(42 ,187, 60,1)','rgba(213, 34 ,199,1)'],borderWidth: 1}]},options: {scales: {yAxes: [{ticks: {beginAtZero:true}}]}}});</script></body></html>
图表效果如下：
在学习绘画图表时发现的插件，但其实用起来还有点问题，比如图表大小的设置。
