辛淼 Jin

Introduction From : http://www.html5rocks.com/en/tutorials/file/dndfiles/ HTML5 finally provides a standard way to interact with local files, via the File API specification. As example of its capabilities, the File API could be used to create a thumbnail preview of images as they're being sent to the server, or allow an app to save a file reference while the user is offline. Additionally, you could use client-side logic to verify an upload's mimetype matches its file extension or restrict the size of an upload. The spec provides several interfaces for accessing files from a 'local' filesystem: File - an individual file; provides readonly information such as name, file size, mimetype, and a reference to the file handle. FileList - an array-like sequence of File objects. (Think <input type="file" multiple> or dragging a directory of files from the desktop). Blob - Allows for slicing a file into byte ranges. When used in conju...

A Beginner's Guide to Using the Application Cache http://www.html5rocks.com/en/tutorials/appcache/beginner/?redirect_from_locale=eg   A manifest file needs to be served with the correct MIME-type, which is "text/cache-manifest". Must be configured on the web server. In glassfish3\glassfish\domains\domain1\config\ default-web.xml   <mime-mapping>     <extension>manifest</extension>     <mime-type>text/cache-manifest</mime-type>   </mime-mapping> 

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