多线程下载器。该小程序模范迅雷等下载器的下载原理实现多线程下载，可作为小实验利用！-Multi-threaded downloaders. The model of small procedures, such as Thunderbolt' s download download the principle of the realization of multi-threaded download, can be used as a small experiment to use!

登陆验证下载，功能完整，操作简单，供学习之用-login and download