利用html2canvas插件 对网页截图 并下载和上传图片。
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <!--此网页演示了html2canvas网页截图下载 --> <head> <!-- base.js实际上是jquery库,html2canvas.js是html2canvas自带的js库 --> <script type="text/javascript" src="http://html2canvas.hertzen.com/build/html2canvas.js"></script> <script type="text/javascript" src="http://www.boolaw.com/tpl/default/js/jquery-1.8.3.min.js"></script> <title>html2canvas网页截图</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <!--<link rel="stylesheet" type="text/css" href="./styles.css">--> <!--需要注意的是,这里一定要等待js库和网页加载完毕后再执行函数 --> <!-- html2canvas()中,第一个参数是要截图的Dom对象，第二个参数时渲染完成后回调的canvas对象。 --> <script type="text/javascript"> $(function(){ print(); }); function print(){ html2canvas( $("#canv") ,{ onrendered: function(canvas){ $('#down_button').attr( 'href' , canvas.toDataURL() ) ; $('#down_button').attr( 'download' , 'myjobdeer.png' ) ; //$('#down_button').css('display','inline-block'); var html_canvas = canvas.toDataURL(); $.post('', {order_id:1,type_id:2,html_canvas:html_canvas}, function(json){ }, 'json'); } }); } </script> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div id="canv"> 此网页演示了html2canvas截图后将截图后的网页追加到了原网页之上 <br> <br> 这里可以看作是边界线 <hr/> </div> <a type="button" id="down_button">下载</a> <?php if(isset($_POST['html_canvas'])){ $order_id = $_POST['order_id']; $type_id = $_POST['type_id']; $html_canvas = $_POST['html_canvas']; $image = base64_decode(substr($html_canvas, 22)); header('Content-Type: image/png'); $filename = $order_id.'-'.$type_id.".png"; $fp = fopen($filename, 'w'); fwrite($fp, $image); fclose($fp); } ?> </body> </html>
http://blog.163.com/yangyan6032@126/blog/static/1218798372014112225122898/