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我在html頁面中有多個圖像。我想使用html2canvas將頁面轉換爲圖像。圖像是本地的並且來自相同的源。它始終保持顯示錯誤msg 「無法從畫布獲取圖像數據,因爲畫布已被交叉源數據污染。」html2canvas爲具有來自同一來源的多個圖像的html頁面
相同的代碼將適用於一個圖像或同一圖像的多個副本。
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="language" content="de">
<script type="text/javascript" src="./js/jquery-1.9.1.js"></script>
<script type="text/javascript" src="js/html2canvas.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var target = $('#mainDiv');
html2canvas(target, {
onrendered: function(canvas) {
var data = canvas.toDataURL();
var img = document.getElementById('img1');
img.src = data;
}
});
});
</script>
</head>
<body>
<div id="mainDiv">
<div id="div1" ><p>paragraph 1 paragraph 1 paragraph 1 paragraph 1 paragraph 1 paragraph 1 paragraph 1 paragraph 1 </p></div>
<div id="div2" ><p>paragraph2 paragraph2 paragraph2 paragraph2 paragraph2 paragraph2 paragraph2 paragraph2 </p></div>
<img src="images/01.jpg" >
<img src="images/02.jpg" >
<img src="images/03.jpg" >
<img src="images/04.jpg" >
</div>
<img id="img1"></img>
</body>
</html>
我不知道什麼是錯誤消息mean.Also如果有人能告訴我如何使多個圖像這項工作,這將是非常有益的