利用spinner作成的省市区3级联动，为了简单直接在程序中的写出了省市级区，也可以将它们存入数据库，连接数据库进行调用。感兴趣的可以看一下，算是抛砖引玉了。- Use spinner made of three provinces linkage, for simplicity write directly in the program of the provincial and municipal area, they can also be stored in the , the c