C# attributes和property

参考链接：

1. https://developer.51cto.com/art/200908/141545.htm
2. https://jingyan.baidu.com/article/75ab0bcbcf6a24d6864db2dd.html
3. https://www.jb51.net/article/67087.htm
4. https://bbs.csdn.net/topics/380173740
5. https://blog.csdn.net/thebesttome/article/details/6794212
6. https://blog.csdn.net/tjvictor/article/details/1492913