摘要：
http://www.cnblogs.com/xiaozhi_5638/p/4554051.html http://www.cnblogs.com/wayfarer/archive/2009/11/10/1600467.html 阅读全文
摘要：
http://blog.csdn.net/pkgray/article/details/27591283 http://www.matlus.com/html5-file-upload-with-progress/ 阅读全文