2. 转换Canvas并导出图片 <script src="./scripts/html2canvas.js"></script> <script>newhtml2canvas(document.getElementById('qianduanwz')).then(canvas =>{//canvas为转换后的Canvas对象let oImg =newImage(); oImg.src= canvas.toDataURL();//导出图片document.body.appendChild(oImg);//将生成的图...
使用htmlToCanvas有哪些常见的应用场景? 今天分享一个html转canvas的插件: http://html2canvas.hertzen.com/ 使用方式特别简单: 引入: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 pnpm install --save html2canvas # import html2canvas from 'html2canvas'; 或者直接上link 代码语言:javascript 代码运行...
html2canvas(document.querySelector("#capture")).then(canvas=>{document.body.appendChild(canvas)}); Try it outDocumentation Install NPM npm install --save html2canvas Install Yarn yarn add html2canvas html2canvas.jshtml2canvas.min.js
functiondraw(){varcanvas=document.getElementById('tutorial');if(!canvas.getContext)return;varctx=canvas.getContext("2d");ctx.beginPath();//新建一条pathctx.moveTo(50,50);//把画笔移动到指定的坐标ctx.lineTo(200,50);//绘制一条从当前位置到指定坐标(200, 50)的直线.//闭合路径。会拉一条从...
$("#btn-html2canvas").on("click",function(){//btn-html2canvas为按钮//content-main为要转换的元素的idhtml2canvas(document.getElementById('content-main'), { onrendered:function(canvas) { document.body.appendChild(canvas); }, width:300, ...
Canvas 对象Canvas 对象是 HTML5 中新增的。HTML5 <canvas> 标签用于绘制图像(通过脚本,通常是 JavaScript)。访问Canvas 对象您可以使用 getElementById() 来访问 <canvas> 元素:var x = document.getElementById("myCanvas"); 尝试一下 创建Canvas 对象您可以使用 document.createElement() 方法来创建 <canvas> ...
<canvas>标签是h5新增的,通过脚本(通常是js)来绘制图形,canvas只是一个图形容器,或者说是画布。 canvas可以绘制路径、图形、字以及添加图像。 2、创建一个画布 <canvas id="can" width="200" height="100"></canvas> canvas中需要指定一个id属性供脚本引用,width和height定义画布的大小。另外可以用style来添加画...
(0);//将jQuery对象转换为dom对象// 点击转成canvas$('.toCanvas').click(function(e){// 调用html2canvas插件html2canvas(test).then(function(canvas){// canvas宽度varcanvasWidth=canvas.width;// canvas高度varcanvasHeight=canvas.height;// 渲染canvas$('.toCanvas').after(canvas);// 显示‘转成...
this.xMax=this.canvas.width; this.yMax=this.canvas.height; . . Add a Method for Plotting a Line Example this.plotLine=function(x0, y0, x, y, color) { this.ctx.moveTo(x0, y0); this.ctx.lineTo(x, y); this.ctx.strokeStyle= color; ...
ctx.lineTo(xMax, f(xMax)); ctx.strokeStyle="black"; ctx.stroke(); // Line Function functionf(x) { returnx * slope + intercept; } Try it Yourself » Combined Source Code letxMax = canvas.height; letyMax = canvas.width; letslope =1.2; ...