google API 需要 .......
#-*- coding: utf8 -*-
from xml.dom import minidom
import urllib2, urllib
#这个KEY本来是google要求的,否则不允许用它的API,可是我没用这个KEY也可以啊...囧了
KEY = 'ABQIAAAAm5e8FerSsVCrPjUC9W8BqBShYm95JTkTs6vbZ7nB48Si7EEJuhQJur9kGGJoqUiYond0w-7lKR6JpQ'
class GetData(object):
def __init__(self):
self.values = {'q': '',
'sensor': 'false',
'output': 'xml',
'oe': 'utf8'}
self.url = 'http://maps.google.com/maps/geo'
def catchData(self, city, key=KEY):
'''
利用google map api从网上获取city的经纬度。
'''
self.values['q'] = city
#self.values['key'] = key
arguments = urllib.urlencode(self.values)
url_get = self.url + '?' + arguments
handler = urllib2.urlopen(url_get)
try:
self.lon, self.lat = self.parseXML(handler)
#print 'lon:%d\tlat:%d' % (self.lon, self.lat)
return self.lon, self.lat
except IndexError:
print '城市: %s 发生异常!' % (city,)
finally:
handler.close()
def parseXML(self, handler):
'''
解析从API上获取的XML数据。
'''
xml_data = minidom.parse(handler)
data = xml_data.getElementsByTagName('coordinates')[0].firstChild.data
coordinates = data.split(',')
lon = int(float(coordinates[0]) * 1000000)
lat = int(float(coordinates[1]) * 1000000)
return lon, lat
if __name__ == '__main__':
getData = GetData()
cityName = raw_input('请输入一个城市:')
longitude, latitude = getData.catchData(cityName)
print '%s \n经度:%d\n纬度:%d\n' % (cityName, longitude, latitude)
利用google的API获取世界城市经纬度(python实现)
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转载自hugoren.iteye.com/blog/2313563
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