图片转base64
https://segmentfault.com/a/1190000004268074
http://www.cnblogs.com/tugenhua0707/p/3568134.html
中国省市 Json 二级联动
http://www.cnblogs.com/sxhNicole/p/4583163.html
全国多少个省市区？
http://zhidao.baidu.com/link?url=GmkYxUAXuYTRYVVAQNjf-Ds5ha8sOnnzXsdbXKCxBcKucCdR6eSyLzXjrvo7vhFHaQthR7PrhM15a6I6zLxePq
http://www.maplestage.com/episode/140932/%E6%BB%BE%E7%9F%B3%E6%84%9B%E6%83%85%E6%95%85%E4%BA%8B+%E7%AC%AC9%E9%9B%86+rock+records+in+love+ep+9/
http://tw.lovetvshow.info/2016/04/1-rock-records-in-love-ep1.html
93848855