About file upload Download the following points are mainly considered:1. File type:When you get the demand, look at the file type there are no restrictions, if there is a limit to the requirements of the file test; If there is no limit to the upload type, the following aspec
This article introduces a PHP implementation of a file download function, you can support the download of a variety of format files. Refer to a friend who needs it.PHP file Download function share, the code is as follows:
404 File
the display nameReadfile('file name .rar 'on the server ');//
File to be downloaded, including the path
Common MIME types. Doc application/msword. Docx application/vnd.openxmlformats-officedocument.wordprocessingml.doc ument. Rtf application/rtf. Xls application/vnd. ms-excel application/x-excel. Xlsx application/vnd. openxmlformats-officedocument.spreadsheetml.sheet. Ppt application/vnd. ms-powerpo
Several common download methods for asp.net are as follows. You can add
Then, use the jquery statement to specify the download link.
$ ("# IDownload"). attr ("src", "download. ashx? Filename = "+ encodeURI ($ (this). children (" span "). first (). text ()));
Protected void button#click (object sender, EventArgs e)
{
/*
Microsoft provides a new TransmitFile
File downloads are simple:
You can use hyperlinks in HTML to jump to a file for downloading:
The use method is the user directly clicks the hyperlink in the browser.
But this download method has some problems: some browsers can directly identify the type of data, such as text, part of the image and so on. will be displayed directly in the browser rather than
PHP header send various types of files and settings file download name
Header (' content-type:application/image/pjpeg ');//type of output
Header (' content-disposition:attachment; filename= ' downloaded.jpg '); Download the displayed name, note the formatReadFile (' my.jpg ');and send this file with the type out
represent the source code of the computer. Print_r($_files); Echo' _post:'; Print_r ($_post);? >_files[] is a two-dimensional array. Array[uploadfile] Key name depends onType= the name value in the "File" tab. It marks the upload file information of this control, so we can put more than one upload control, set a different name, of course, the same name can be set, can completely put them all in an a
The article is also very simple. we only need to use the head to send the header information to download the file to the local device. we can also directly send the header information and store the file on the server and then send it with the header, for more information, see. Use the header method to download the code
This example describes the way PHP uses the Pclzip class to implement file compression. Share to everyone for your reference, specific as follows:
Use Pclzip (zip format) compression, first need to download its package file ( Click here to download ). The Pclzip function is
is transformed accordinglyHeader (' Content-type:application/octet-stream '); // type of output, depending on the MIME table provided below, select the appropriate type Header (' content-disposition:attachment; filename= "Download display name. rar"); // Download the displayed name ReadFile (' File name on the server. rar '); //Output
e) { FileInfo info = new fil Einfo (filepath); Long filesize = info.length; Response.Clear (); Response.ContentType = "application/x-zip-compressed"; Response.AddHeader ("Content-disposition", "attachment;filename=" + filename); //Does not indicate that the flush will not show download progress Response.AddHeader ("Content-length", filesize.tostring () content-length); Response.TransmitFile (filepat
application/vnd.android.package-archive:
Application/vnd.android.package-archive apk;
Restart Apache
server Nginx support for. apk File Download Settings
apk and. IPA are the extensions for Android apps and iOS apps respectively. NBSP automatically renames a zip file when the browser downloads files that are su
Unity3d C # HttpWebRequest Asynchronous download file, because it is still invalid to compile the project into Il2cpp, prompting HttpWebRequest is not supported in the current version, so seek other ways.Just the branch of the colleague also encountered the download file bug, but they are only able to
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