使用HTML截图并保存为本地图片的实现代码
本文通过实例代码给大家分享了使用HTML截图并保存为本地图片的实现代码，代码简单易懂，非常不错，具有一定的参考借鉴价值，需要的朋友参考下吧
具体代码如下所示：
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>html2canvas_download</title><style>a {cursor: pointer;color: rgb(85, 26, 139);text-decoration: underline;}</style></head><body><div id="oDiv" style="width: 300px; height: 300px; margin: 10px; background: red; border: 5px solid gray;"><h1>hello world!</h1></div><!-- <script type="text/javascript" src="../dist/html2canvas.js"></script> --><script src="https://cdn.bootcss.com/html2canvas/0.5.0-beta4/html2canvas.min.js"></script><script type="text/javascript">var oDiv = document.getElementById('oDiv');// body截图// html2canvas(document.body).then(function(canvas) {// document.body.appendChild(canvas);// });html2canvas(oDiv).then(function(canvas) {document.body.appendChild(canvas);var oCavans = document.getElementsByTagName('canvas')[0];var strDataURI = oCavans.toDataURL();downLoadFn(strDataURI);});//判断浏览器类型function myBrowser() {var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串var isOpera = userAgent.indexOf("Opera") > -1;if(isOpera) {return "Opera"}; //判断是否Opera浏览器if(userAgent.indexOf("Firefox") > -1) {return "FF";} //判断是否Firefox浏览器if(userAgent.indexOf("Chrome") > -1) {return "Chrome";}if(userAgent.indexOf("Safari") > -1) {return "Safari";} //判断是否Safari浏览器if(userAgent.indexOf("compatible") > -1 &&; userAgent.indexOf("MSIE") > -1 && !isOpera) {return "IE";}; //判断是否IE浏览器if(userAgent.indexOf("Trident") > -1) {return "Edge";} //判断是否Edge浏览器}//IE浏览器图片保存本地function SaveAs5(imgURL) {var oPop = window.open(imgURL, "", "width=1, height=1, top=5000, left=5000");for(; oPop.document.readyState != "complete";) {if(oPop.document.readyState == "complete") break;}oPop.document.execCommand("SaveAs");oPop.close();}// chrome14+,firefox20+,pera15+,Edge 13+,Safari未实现function download(strDataURI) {var link = document.createElement('a');link.innerHTML = 'download_canvas_image';link.download = 'mypainting.png';link.addEventListener('click', function(ev) {link.href = strDataURI;}, false);document.body.appendChild(link);};function downLoadFn(url) {if(myBrowser() === "IE" || myBrowser() === "Edge") {SaveAs5(url);} else {download(url);}}</script></body></html>总结
以上所述是小编给大家介绍的使用HTML截图并保存为本地图片的实现代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对我们网站的支持！