通过百度地图API--获取全国地图的经纬度

因为要做一个前端画图需要经纬度，一个个的查询过麻烦，最终弄出这个，以备后查！

 import threading , time
 import requests
 from decimal import Decimal
 #爬取数据
 def hq(address,name_id):
     url = 'http://api.map.baidu.com/geocoder?output=json&key=f247cdb592eb43ebac6ccd27f796e2d2&location=' + str(address)
     response = requests.get(url)
     answer = response.json()
     print('得到反解数据', answer)
     lng = answer['result']['location']['lng']
     lat = answer['result']['location']['lat']
     formatted_address = answer['result']['formatted_address']
     business = answer['result']['business']
     city = answer['result']['addressComponent']['city']
     direction = answer['result']['addressComponent']['city']
     distance = answer['result']['addressComponent']['direction']
     district = answer['result']['addressComponent']['district']
     province = answer['result']['addressComponent']['province']
     street = answer['result']['addressComponent']['street']
     street_number = answer['result']['addressComponent']['street_number']
     cityCode = answer['result']['cityCode']
     lin_list = str('%6f' % lng) + '|' + str('%6f' % lat) + '|' + str(formatted_address) + '|' + str(business) + '|' + str(
         city) + '|' + str(direction) + '|' + str(distance) + '|' + str(district) + '|' + str(province) + '|' + str(
         street) + '|' + str(street_number) + '|' + str(cityCode)
     if cityCode==0:
         #print('外国')
         pass
     else:

         name=str(name_id)+'list'
         print(name)
         with open(name, 'a+', encoding=('utf-8')) as f:
             f.write(lin_list+'\n')
         print('文件写入完成')

 #经度纬度处理
 def longitude_proces(longitude, interval, latitude, latitude_end, name_id):
     while longitude >= latitude:
         address = '%s,%s' % (longitude, latitude_end)  # 请求时，经度，纬度，需要互换
         hq(address, name_id)
         longitude -= interval

 class Thre(threading.Thread):#继承线程中的类
     def __init__(self,lists,interval,name_id,times):
         super(Thre,self).__init__()
         self.interval=interval
         self.lists=lists
         self.name_id=name_id
         self.times=times
     def run(self):
         print('执行线程开始时间:',self.times,self.lists,'==================start=============================================')
         slog,elog,slat,elat=self.lists
         #print(slog,elog,slat,elat)
         longitude = Decimal(slog)#经度longitude开始
         longitude_end = Decimal(elog)#经度结束
         latitude=Decimal(slat)# 纬度latitude开始
         latitude_end=Decimal(elat)#纬度结束

         while latitude>=latitude_end:
             latitude -= self.interval
             longitude_proces(longitude,self.interval,longitude_end,latitude,self.name_id)
         else:
             den_time=time.time()-self.times
             print('执行线程所用时间:',den_time,self.lists,'==================end=============================================')

 def main():
     itude_list=[
         ['42.000000', '30.000000', '105.000000', '79.800000'],  #
         ['42.000000', '21.000000', '129.000000', '105.000000'],  #
         ['50.000000', '42.000000', '135.000000','129.000000'],  #
         ['54.000000', '42.000000', '129.000000', '115.000000'],  #
         ['45.500000', '42.000000', '115.000000', '105.000000'],  #
         ['49.200000', '42.000000', '91.500000', '79.800000'],  #
         ['42.000000', '30.000000', '79.800000', '73.400000'],  #
         ['45.500000', '42.000000', '105.000000', '91.500000'],  #
         ['30.000000', '21.000000', '105.000000', '97.300000'],  #
         ['42.000000', '30.000000', '97.300000', '79.800000'],  #
         ['21.000000', '3.000000', '129.000000', '105.000000'],  # （南海）
     ]

     interval = Decimal('3.0001000')#间隔
     number = 0
     thre_list=[]

     for itude in itude_list:
         start_times=time.time()
         number += 1
         temp=Thre(itude_list,interval,number,start_times)
         thre_list.append(temp)

     for thre in thre_list:
         thre.start()

 if __name__ == '__main__':
     main()