https://blog.csdn.net/WRian_Ban/article/details/70230732
https://blog.csdn.net/zp_love666/article/details/76043276
https://blog.csdn.net/xiongxianhe/article/details/24110057
https://blog.csdn.net/coder_on_way/article/details/50119889
https://blog.csdn.net/Lancelot_Lewis/article/details/60114496
https://blog.paddings.cn/2017/03/03/jquery/jQuery-File-Upload-blueimp-%E7%88%AC%E5%9D%91%E6%8C%87%E5%8D%97/
https://github.com/LancelotLewis/jqeury-file-upload-demo