Introduction - If you have any usage issues, please Google them yourself
1, the freedom to set the maximum upload size, single file maximum upload size
2, free settings to allow the type of file upload
3, can be set to the text of the code to adapt to a variety of upload environment
4, the built-in progress bar, the user can choose to open and close (to cooperate with the client program)
5, a variety of error conditions
6, a variety of ways to save the file: the original file name, random file name, user defined file name
7, free to choose whether to overwrite the existing file
8, the complete save form data, support the same name form, does not support the file domain name
9, can get the common picture format wide high
10, the optimization of the upload proce