https://segmentfault.com/a/1190000008722404
https://segmentfault.com/q/1010000008313181----(省市3级联动)
http://blog.csdn.net/fdipzone/article/details/37974511----h5上传图片
http://www.cnblogs.com/shijingjing07/p/5782650.html----百度地图api
https://zhidao.baidu.com/question/747522071090983092.html-----增删改查思路分析