这个是一个简单的显示当前系统进程的程序，代码比较简短，不过需要的朋友可以借鉴一下下啊，不要向我扔西瓜皮。-This is a simple process shows that the current system of procedures, code relatively brief, but it needs a friend can learn from you under ah, do not throw to me西瓜皮.