说明：  1.这个教程非常全面 2.教程大量采用实例讲解，简单易懂 3.作者很有心，在教程中间插入了许多有趣的东西，让大家学习过程当中不在感到枯燥[不过在这里为了方便大家收录，我给去掉了，SORRY啊] 4.教程写得很细。 5.由于教程非常全面，完成可以把它当作你学习的参考资料，在遇到问题的时候在这里一般都可以找到解决的方法。
(1. This tutorial is very comprehensive 2. Tutorial extensive use of examples to explain, easy to understand 3. On the very heart and center in the tutorial into a number of interesting things, so that we do not feel boring learning process [but included here for the convenience of everyone, I have to removed, SORRY ah] 4. tutorial was very small. 5. As the tutorials are very comprehensive and complete study of it as your reference, when the trouble usually can be found here solution.)