I can’t remember the source of the technique but this seems to be cross-browser. Tested in: Google Chrome 9 FireFox 3.6 Internet Explorer 6-9 Opera 10 Safari for Windows Here is the complete code: HTML: <div> <button><!– this is skinnable –>Pick a file …</button> <input type=”file” /> </div> CSS: div { position:relative; width: 100px; height: … Read more
Yahoo’s YUI Uploader is your friend.
ASPX <asp:CustomValidator ID=”customValidatorUpload” runat=”server” ErrorMessage=”” ControlToValidate=”fileUpload” ClientValidationFunction=”setUploadButtonState();” /> <asp:Button ID=”button_fileUpload” runat=”server” Text=”Upload File” OnClick=”button_fileUpload_Click” Enabled=”false” /> <asp:Label ID=”lbl_uploadMessage” runat=”server” Text=”” /> jQuery function setUploadButtonState() { var maxFileSize = 4194304; // 4MB -> 4 * 1024 * 1024 var fileUpload = $(‘#fileUpload’); if (fileUpload.val() == ”) { return false; } else { if (fileUpload[0].files[0].size < maxFileSize) … Read more
const EL = (sel) => document.querySelector(sel); const ctx = EL(“#canvas”).getContext(“2d”); function readImage() { if (!this.files || !this.files[0]) return; const FR = new FileReader(); FR.addEventListener(“load”, (evt) => { const img = new Image(); img.addEventListener(“load”, () => { ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); ctx.drawImage(img, 0, 0); }); img.src = evt.target.result; }); FR.readAsDataURL(this.files[0]); } EL(“#fileUpload”).addEventListener(“change”, readImage); canvas {display: block;} … Read more
File Upload Tutorial HTML <form enctype=”multipart/form-data” action=”action.php” method=”POST”> <input type=”hidden” name=”MAX_FILE_SIZE” value=”1000000″ /> <input name=”userfile” type=”file” /> <input type=”submit” value=”Go” /> </form> action.php is the name of a PHP file that will process the upload (shown below) MAX_FILE_SIZE must appear immediately before the input with type file. This value can easily be manipulated on the … Read more
Webdriver can handle this quite easily in IE and Firefox. Its a simple case of finding the element and typing into it. driver = webdriver.Firefox() element = driver.find_element_by_id(“fileUpload”) element.send_keys(“myfile.txt”) The above example is in Python but you get the idea
You can’t move the value of one file input to another. Instead, clone the input, place the clone where the original is, and move the original into the hidden form. $(“.inputfield1”).change(function(){ var $this = $(this), $clone = $this.clone(); $this.after($clone).appendTo(hiddenform); });
Just an update (07-2014), as I’m not able to add comments: As correctly noted above, newer Express versions have deprecated the use of the limit middleware and now provide it as a built-in option for the BodyParser middleware: var express = require(‘express’) var bodyParser = require(‘body-parser’) var app = express() app.use(bodyParser.json({ limit: ‘5mb’ }))
This is how i am using in my app private class MyWebChromeClient extends WebChromeClient { //The undocumented magic method override //Eclipse will swear at you if you try to put @Override here // For Android 3.0+ public void openFileChooser(ValueCallback uploadMsg, String acceptType) { mUploadMessage = uploadMsg; Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType(“*/*”); startActivityForResult(Intent.createChooser(intent, “File … Read more
You can achieve file uploading with Meteor without using any more packages or a third party Option 1: DDP, saving file to a mongo collection /*** client.js ***/ // asign a change event into input tag ‘change input’ : function(event,template){ var file = event.target.files[0]; //assuming 1 file only if (!file) return; var reader = new … Read more