例如provinces:27安徽-----117.984943,26.050118|8cities:17合肥-----117.282699,31.866942|12安庆-----117.058739,30.537898|13蚌埠-----117.35708,32.929499|13亳州-----115.787928,33.871211|13巢湖-----117.88049,31.608733|13池州-----117.494477,30.660019|14滁州-----118.32457,32.317351|13阜阳-----115.820932,32.901211|13淮北-----116.791447,33.960023|13淮南-