1. http://m.blog.csdn.net/article/details?id=46505671
2. http://m.blog.csdn.net/article/details?id=46537821
3. http://m.blog.csdn.net/article/details?id=46573669
4. http://m.blog.csdn.net/article/details?id=46593235
5. http://m.blog.csdn.net/article/details?id=46622751
6. http://m.blog.csdn.net/article/details?id=46670395
7. http://m.blog.csdn.net/article/details?id=46763575
8.