我们在网络编程过程中需要向服务器上传文件。Multipart/form-data是上传文件的一种方式。
How Do I Upload Files to the database with SAFileUp? Don't do it! Use SAFileUp to upload the files to the server but do not store the image in the database. Instead store the path to the file. Better yet if the images will sit in the same folder just store the actual file name. Uploading the entire image to the database wastes too many resources. You need to upload the image in binary format which is slow. You also waste all that extra database space to store the image. Then you lose speed retrieving it. These are the requirements for uploading files with SAFileup. 1] You need SAFileUp installed on the server. 2] You need Read, Write, and Change permissions on the directory you are going to save the pictures to. In my example I named the folder Mypictures". Contact your ISP to set this up for you. This is the web form - upload.asp. Notice the multipart/form-data. We are not just uploading text here. We are pulling files from the hard drive. Special rules and instructions apply. INPUT TYPE="file" gives us the browser button on the screen which lets us access the hard drive. Category Alternate Text for banner: URL: http:// Get Add: The FORM Processing script - upload2.asp. Notice the upl.form("FORM_NAME"). you cannot use request.form to retrieve form data when uploading files. You must reference the form elements with the File Upload object. In this example it is upl".