Technical architecture: Struts2(json-plugin) + Spring2 + ExtJS2.2 Functions implemented without database:
1. Batch upload of multiple file queues, friendly upload progress bar, and complete upload progress information.
2. Implemented online file compression and decompression function (can be compressed into zip format, and can directly decompress RAR file format)
3. Implemented creating new folders and deleting files and folders.
Problems:
Deleting files sometimes causes problems.
Note that tomcat (server.xml) is best to set URIEncoding
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