Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. Generally, we do not recommend downloading large files.
Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the bu
In the past few days, we have implemented an APK version update function, and found that it involves a lot of things. I have written the relevant content into a relatively independent category for future reference and share it with you. You are welcome to criticize and correct it.
The following classes are implemented:
(1) File Download: a custom class is designed. You only need to input a Handler, URLStr,
Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. generally, we do not recommend downloading large files.
The code is as follows:
Function sendFile ($ fileName, $ fancyName = '', $ forceDownload = true, $ speedLimit = 0, $ contentType = ''){If (! Is_readable ($ fileName )){Header ("HTTP/1.1 404 Not Found ");Retur
protected voidButton2_Click (Objectsender, EventArgs e) {Can be added here to determine whether the loginstringFileName ="chracater14.jpg";//file name saved by client (supported by other file formats) stringFilePath = Server.MapPath (".. /.. /images/chracater14.jpg");//PathFileInfo FileInfo=NewFileInfo (FilePath); Response.Clear (); Response.clearcontent ();
High score help How to set up XAMPP, now open the Web page, always prompt for file download, is to save this file, or to find a program online to open this file?
1. Functions based on downloading files on the Web
Public Function Putfile ($file _dir, $file _name) {$file _dir = Chop ($file _dir);//Remove extra spaces in the path//Get the path of the file to download if ($
The main point is to pay attention to the customer service to the server when the request, in the request header is able to set the server to return the data from where to end.When the server responds to the client, it can get the exact type and size of the data returned by the server.#import Large file download in iOS (single-threaded download)
Sometimes we need to hide the actual file download address, prevent malicious download, we can use the following method (refer to the network, infringement please Inform)
Security | download
????? You might laugh at me. "Downloading files" is so easy to say? Of course it's not as simple as imagination. For example, if you want the customer to fill out a form, you can download a file, your first idea must be "Redirect" method, first check whether the form has been completed and complete, and then the URL to the
XP system download file does not appear in the Download dialog box The specific description of the problem: the downloaded file is usually compressed files, other types of files are not to try the small series. Because this is a friend asked me a question, and download the z
Recently, the company encountered a php memory overflow problem when exporting order information. The reason is that the temporary file generated during download is too large to accommodate the PHP memory, when I thought of changing the PHP memory limit, it was just a slow task. so I thought of another way to read and download files in multiple parts. Recently, t
/QQ8.2/17724/QQ8.2.exe"); HttpURLConnection Conn=(HttpURLConnection) url.openconnection (); intSize =conn.getcontentlength (); //each purebred download that size intblock = size/num; //This class supports random access to a file, the first parameter is the file name, the second is the access mode, and RW represents the read-writeRandomaccessfile RAF =N
There was a problem with a PHP memory overflow during the recent export. The reason is that the download time to read the generated temporary file is too large, PHP memory can not accommodate, an open mind to change the PHP memory limit, but this is only a tactic, so think of another way is to read the file, and download
This article provides a detailed analysis of PHP large file downloads and resumable download solutions. For more information, see
This article provides a detailed analysis of PHP large file downloads and resumable download solutions. For more information, see
A php memory overflow problem occurred recently during
Today to bring you the simplest way to download the file, we follow the steps, three steps can be downloaded.
1, the following is the main method of downloading files, you can directly copy to the project inside, add a jar package on it.
/** * Download file public method, direct call can
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