需要 html 代码来打印网页图像,焦点


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Coupon Page</title>
<script type="text/javascript">
function printCoupon() {
var timeout = 1000;
self.focus();
window.print();
setTimeout("self.close()", timeout);;
self.focus();
}
</script>
</head>
<body onload="printCoupon();">
<p><img src="https://nebula.phx3.secureserver.net/2247f0de910e14f95483f60fdae499a0?
AccessKeyId=8BBF3308EC59517C0B34&disposition=0&alloworigin=1" originalattribute="src" originalpath="coupon.jpg" width="585" height="250">
</p>
</body>
</html>

我已经搜索了html编码,仅在单击图像(w585 w250(,图像的实际大小或相关按钮时才打印网页图像。我发现编码工作完美,但打印我的图像真的失焦了。您显示的编码通过说明重点等来解决此问题,我已经为此工作了近一个月但没有成功,请帮助

您可以尝试在 css 中进行媒体查询来打印图像。

检查naturalWidthnaturalHeight并与图像widthheight进行比较,以便如果它们匹配,则print页面。

function printCoupon() {
var timeout = 1000;
var naturalWidth = $('#img')[0].naturalWidth;
var naturalHeight = $('#img')[0].naturalHeight;
var width = $('#img').width()
var height = $('#img').height();
if (naturalWidth == width && naturalHeight == height) {
self.focus();
window.print();
setTimeout("self.close()", timeout);;
self.focus();
}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<body onload="printCoupon();">
<p><img id="img" src="https://nebula.phx3.secureserver.net/2247f0de910e14f95483f60fdae499a0?
AccessKeyId=8BBF3308EC59517C0B34&disposition=0&alloworigin=1" originalattribute="src" originalpath="coupon.jpg" width="585" height="250">
</p>

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