Created
December 15, 2015 18:00
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submit a form with a blob
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| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script> | |
| function init() { | |
| var form = document.getElementById('f'); | |
| if(form) { | |
| form.addEventListener('submit', function(event) { | |
| if(form.ajax.checked) { | |
| var formData = new FormData(); | |
| for(var i=0; i<form.length; i++) { | |
| if(form[i].type == 'file') { | |
| var files = form[i].files; | |
| var blob = files[0].slice(0, files[0].size, files[0].type); | |
| formData.append(form[i].name, blob, files[0].name); | |
| } | |
| else { | |
| formData.append(form[i].name, form[i].value); | |
| } | |
| } | |
| var xhr = new XMLHttpRequest(); | |
| xhr.responseType = 'blob'; | |
| xhr.onreadystatechange = function() { | |
| if(xhr.readyState == 4) { | |
| // what do I do here? | |
| // is it | |
| // window.location = URL.createObjectURL(xhr.response); | |
| // or should it be | |
| // document.write(responseText); | |
| // or even | |
| // document.close(); document.open(); document.write(xhr.responseText); | |
| // or? | |
| } | |
| }; | |
| xhr.open('POST', form.action, true); | |
| xhr.send(formData); | |
| event.preventDefault(); | |
| } | |
| }, false); | |
| } | |
| } | |
| </script> | |
| </head> | |
| <body onload='init()'> | |
| <?php | |
| if(isset($_FILES['file'])) { | |
| echo '<ul>'; | |
| echo '<li>name: '.$_FILES['file']['name'].'</li>'; | |
| echo '<li>type: '.$_FILES['file']['type'].'</li>'; | |
| echo '<li>size: '.$_FILES['file']['size'].'</li>'; | |
| echo '<li>upload type: '.$_POST['ajax'].'</li>'; | |
| echo '</ul>'; | |
| echo "<a href='http://localhost/test.php'>reset</a>"; | |
| } | |
| else { | |
| ?> | |
| <form enctype='multipart/form-data' id='f' method='POST'> | |
| <input name='file' type='file'/> | |
| ajax: <input name='ajax' type='checkbox'/> | |
| <input type='submit'/> | |
| </form> | |
| <?php | |
| } | |
| ?> | |
| </body> | |
| </html> |
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