The main features of the file Upload component are:
1, batch file simultaneous multi-threaded upload.
2, the breakpoint continues to transmit the function.
3, before uploading according to the file extension to compress, after uploading to decompress.
4, you can set the file upload to the server after the storage path.
5. Set the extension of files that are not allowed to be uploaded.
6, upload process, progress bar real-time prompt progress. And you can display detailed progress information for each uploaded file.
7, the upload process, close the progress bar, will interrupt the upload, if you click Upload, you can continue to upload.
8, can set the maximum number of uploaded files
9. Maximum limit of individual files can be set
10. Other auxiliary functions
11. User Directory Management
Http://www.cnblogs.com/xdp-gacl/p/4200090.html
File upload Download