html2canvas兼容ie9,html2canvas.js not Working in IE9/10/11

weixin_39911998

于 2021-06-19 15:11:12 发布

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文章标签： html2canvas兼容ie9

在尝试使用html2canvas.js API捕获网页中IFrame内的Div元素截图时，遇到兼容性问题，该代码在Firefox和Chrome上运行正常，但在IE9/10/11中失败。错误信息提示'getComputedStyle'方法未被支持。问题可能源于html2canvas.js在IE浏览器的兼容性处理。寻求解决方案或替代方法以实现IE浏览器的截图功能。

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We want to capture screenshot of Div (HTML element) which is inside an IFrame. IFrame loads inside another Div at runtime in a html page. For capturing screenshot we are using html2canvas.js API.

Code is working very well with Mozilla and Chrome but not working in IE9/10/11.

The basic requirement is that to capture screenshot of Div and send that image byte-array to Flex application.

Function which captures screenshot is:

function capturImage() {

html2canvas(document.getElementById('map_canvas'), {

proxy: "server.js",

useCORS: true,

onrenderd: function (canvas) {

var imageData = canvas.todataURL('image/png', 1.0);

imageDataOnly = imageData.split(",");

falshObj.getImage(imageDataOnly[1]);

}

});

}

Error In IE:

SCRIPT438: Object doesn't support property or method 'getComputedStyle' File: html2canvas.js, Line: 2269, Column: 5

Please let me know if anyone had similar experience or has any clue in resolving the issue.