用的是官网的CDN:http://html2canvas.hertzen.com/dist/html2canvas.min.js
function comfirmSaveImg() { var copyDom = $(".content");//要保存的dom var width = copyDom.offsetWidth; //dom宽 var height = copyDom.offsetHeight; //dom高 var scale = 2; //放大倍数 html2canvas(copyDom[0], { dpi: window.devicePixelRatio * 2, scale: scale, width, heigth: height, useCORS: true // 【重要】开启跨域配置 }).then(function(canvas) { var url = canvas.toDataURL(); var triggerDownload = $("<a>").attr("href", url).attr("download", "详情.png").appendTo("body"); triggerDownload[0].click(); triggerDownload.remove(); }); }
来源:https://www.cnblogs.com/stt-bky/p/9518591.html