Created
May 9, 2013 20:15
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Este código exibe o preview de uma imagem e recupera seu tamanho original.
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| <html> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script> | |
| <script src="http://fancyapps.com/fancybox/source/jquery.fancybox.pack.js?v=2.1.4"></script> | |
| <link rel="stylesheet" type="text/css" href="http://fancyapps.com/fancybox/source/jquery.fancybox.css?v=2.1.4" media="screen" /> | |
| <style type="text/css"> | |
| #imgPreview {width: 100px;} | |
| </style> | |
| <script> | |
| var reader = new FileReader(); | |
| reader.onload = onLoadFile; | |
| function onLoadFile(e) { | |
| $("#imgPreview").attr('src', e.target.result); | |
| $("#single_1").attr('href', e.target.result); | |
| } | |
| function preSizeCalc() { | |
| var file = document.getElementById('fileImg'); | |
| if(reader){ | |
| reader.readAsDataURL(file.files[0]); | |
| } else { | |
| log("Seu navegador não tem suporte a HTML5, troque por um mais recente"); | |
| } | |
| } | |
| $(document).ready(function(){ | |
| $("#fileImg").change(function(){ | |
| preSizeCalc(); | |
| }); | |
| $("#imgPreview").load(function(){ | |
| var image = new Image(); | |
| image.src = $(this).attr('src'); | |
| alert(image.width); | |
| }); | |
| }); | |
| </script> | |
| <body> | |
| <h1>File API</h1> | |
| <div class="escondefile"> | |
| <input type="file" id="fileImg"/><br/> | |
| </div> | |
| <p>Preview:</p> | |
| <a id="single_1" href="" title=""> | |
| <img id="imgPreview"/> | |
| </a> | |
| <label id="output"/><br/> | |
| </body> | |
| </html> |
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