html2canvas依据DOM元素样式实现网页截图
html2canvas根据DOM元素样式实现网页截图
<html>
<head>
<meta name="layout" content="main">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="./jquery-1.8.3.min.js"></script>
<script type="text/javascript" src="./html2canvas.js"></script>
<!--<script type="text/javascript" src="http://html2canvas.hertzen.com/build/html2canvas.js"></script>-->
<script type="text/javascript">
$(document).ready(function() {
$("#button").on("click", function(event) {
event.preventDefault();
html2canvas(document.body, {
allowTaint: true,
taintTest: false,
onrendered: function(canvas) {
canvas.id = "mycanvas";
//document.body.appendChild(canvas);
//生成base64图片数据
var dataUrl = canvas.toDataURL();
// console.log(dataUrl);
var newImg = document.createElement("img");
newImg.src = dataUrl;
document.body.appendChild(newImg);
}
});
});
});
</script>
</head>
<body>
<textArea id="textArea" col="20" rows="10">
在此添加测试内容
</textArea>
<input id="button" type="button" value="截屏">
截屏生成图片如下：
</body>
</html>