When IE downloads files with the docx (xlsx, pptx) extension, the extension is automatically changed to zip.When we download files with extensions such as dotx, docx, pot, xlsx, and pptx from a Web server such as IIS or Tomcat through a binary
According to personal experience, in PHP processing file upload, often can use the following ways to determine the type of file
By file name suffix, unsafe, very easy to cheat
By mime, some types of files can be spoofed by modifying the file
The compatibility of the processing code is a common occurrence for the front-end siege engineers, which are generally compatible with various browsers. But sometimes we also encounter factors outside the browser that are often overlooked. For
Jquery validate verifies the File Upload type
Because jquery validate is used by the project development to verify the uploaded files, it is found that the built-in verification function is rich and easy to use. However, some MIME files are not
UIWebView is an iOS built-in browser that can browse Web pages, open documents html/htm PDF Docx txt, and other formats. The Safari browser is done through UIWebView.The server tells the browser to use that plug-in to read the relevant files by
1, Mime_content_type () function to judge get file type
Mime_content_type returns the MIME type of the specified file.
Usage:
The code is as follows
Copy Code
Echomime_content_type (' Php.gif '). " n ";Echomime_content_
UIWebView is an iOS built-in browser that can browse Web pages, open documents html/htm PDF Docx txt, and other formats. The Safari browser is done through UIWebView.The server tells the browser to use that plug-in to read the relevant files by
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