Created
January 11, 2013 12:28
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calculating md5 from file.api
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| <html> | |
| <head> | |
| <title>HTML5 File example</title> | |
| <STYLE TYPE="text/css"> | |
| <!-- | |
| TD{font-family: Arial, Helvetica, sans-serif; font-size: 8pt;} | |
| ---> | |
| </STYLE> | |
| <style>.example{padding:10px;border:1px solid #ccc}#drop_zone{border:2px dashed #bbb;-moz-border-radius:5px;-webkit-border-radius:5px;border-radius:5px;padding:25px;text-align:center;font:20pt bold,"Vollkorn";color:#bbb}.thumb{height:75px;border:1px solid #000;margin:10px 5px 0 0}#progress_bar{margin:10px 0;padding:3px;border:1px solid #000;font-size:14px;clear:both;opacity:0;-o-transition:opacity 1s linear;-moz-transition:opacity 1s linear;-webkit-transition:opacity 1s linear;-ms-transition:opacity 1s linear}#progress_bar.loading{opacity:1}#progress_bar .percent{background-color:#9cf;height:auto;width:0}#byte_content{margin:5px 0;max-height:100px;overflow-y:auto;overflow-x:hidden}#byte_range{margin-top:5px}</style> | |
| <script src="http://www.myersdaily.org/joseph/javascript/md5.js"></script> | |
| <div id="drop_zone">Drop files here</div> | |
| <output id="list"></output> | |
| <script> | |
| function handleFileSelect(evt) { | |
| evt.stopPropagation(); | |
| evt.preventDefault(); | |
| var files = evt.dataTransfer.files; // FileList object. | |
| // files is a FileList of File objects. List some properties. | |
| var output = []; | |
| for (var i = 0, f; f = files[i]; i++) { | |
| output.push('<li><strong>', escape(f.name), '</strong> (', f.type || 'n/a', ') - ', | |
| f.size, ' bytes, last modified: ', | |
| f.lastModifiedDate ? f.lastModifiedDate.toLocaleDateString() : 'n/a', | |
| '</li>'); | |
| var reader = new FileReader(); | |
| reader.onloadend = function(evt) { | |
| if (evt.target.readyState == FileReader.DONE) { // DONE == 2 | |
| console.log(md5(evt.target.result)) | |
| } | |
| }; | |
| reader.readAsBinaryString(f); | |
| } | |
| document.getElementById('list').innerHTML = '<ul>' + output.join('') + '</ul>'; | |
| } | |
| function handleDragOver(evt) { | |
| evt.stopPropagation(); | |
| evt.preventDefault(); | |
| evt.dataTransfer.dropEffect = 'copy'; // Explicitly show this is a copy. | |
| } | |
| // Setup the dnd listeners. | |
| var dropZone = document.getElementById('drop_zone'); | |
| dropZone.addEventListener('dragover', handleDragOver, false); | |
| dropZone.addEventListener('drop', handleFileSelect, false); | |
| </script> | |
| </body> | |
| </html> |
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