这是一个词典的初级源代码，虽然只是实现了用户登录的功能，但是已经用到了C/S架构，数据库等知识，有兴趣的人可以自己完善它。-This is a dictionary of the primary source, although only the user sign-on capabilities, but has used the knowledge of C/S architecture, database and other interested people can improve it

Hysteresis current control HCC for photovoltaic system