这个仿163网盘无刷新文件上传系统，并没有用使用控件，完全的手工制作。 本来觉得这个系统会很复杂，但把每个部分都分析清楚后，其实需要的技术并不高。不过当我把各个功能函数都整理好准备进行封装时，却发现要把程序封装不是那么容易，因为程序跟html的耦合度太高。-This imitation 163 network disk without refresh file upload system, and not with the use of control, completely handmade. I thought that the system would be complicated, but each part of the analysis is clear, in fact, the technology required is not high. But when I put the finishing functions of each function is ready to be packaged, they found that the program should package is not so easy, because the program with a high degree of coupling html.