file-upload

HTML Input=”file” Accept Attribute File Type (CSV)

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I have a file upload object on my page: <input type=”file” ID=”fileSelect” /> with the following excel files on my desktop: file1.xlsx file1.xls file.csv I want the file upload to ONLY show .xlsx, .xls, & .csv files. Using the accept attribute, I found these content-types took care of .xlsx & .xls extensions… accept= application/vnd.openxmlformats-officedocument.spreadsheetml.sheet (.XLSX) … Read more

How does HTTP file upload work?

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When I submit a simple form like this with a file attached: <form enctype=”multipart/form-data” action=”http://localhost:3000/upload?upload_progress_id=12344″ method=”POST”> <input type=”hidden” name=”MAX_FILE_SIZE” value=”100000″ /> Choose a file to upload: <input name=”uploadedfile” type=”file” /><br /> <input type=”submit” value=”Upload File” /> </form> How does it send the file internally? Is the file sent as part of the HTTP body as … Read more

How can I upload files to a server using JSP/Servlet?

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How can I upload files to server using JSP/Servlet? I tried this: <form action=”upload” method=”post”> <input type=”text” name=”description” /> <input type=”file” name=”file” /> <input type=”submit” /> </form> However, I only get the file name, not the file content. When I add enctype=”multipart/form-data” to the <form>, then request.getParameter() returns null. During research I stumbled upon Apache … Read more

Posting a File and Associated Data to a RESTful WebService preferably as JSON

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This is probably going to be a stupid question but I’m having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. … Read more