去他妈的那么多参考，静下来看进去学会才最要紧
先来一堆参考：

1. https://blog.csdn.net/sdfkfkd/article/details/7050733
2. http://www.cppblog.com/twzheng/archive/2008/03/10/44086.html
3. https://www.cnblogs.com/zzyyll2/archive/2007/11/06/950584.html
4. https://www.cnblogs.com/xiesong/p/10320893.html
5. https://www.cnblogs.com/zl0316/p/10729706.html

笨鸟就要多扑棱翅膀，进度慢就多花时间。不要怕挨说，老李批评能使人进步，吧