Bootstrap-select

参考链接：
http://www.cindaz.com/admin/a/165
https://www.v2ex.com/t/211579
https://blog.csdn.net/LiyangBai/article/details/82584599
https://blog.csdn.net/sayoko06/article/details/82628937
https://blog.csdn.net/tr1912/article/details/78767356

来源：CSDN

作者：YAYA776

链接：https://blog.csdn.net/YAYA776/article/details/104611507