// 使用JavaScript调用Google Maps Geocoding API
function getPostalCode(address) {
  const apiKey = 'YOUR_API_KEY';
  const encodedAddress = encodeURIComponent(address);
  const url = `https://maps.googleapis.com/maps/api/geocode/json?address=${encodedAddress}&key=${apiKey}`;
  
  fetch(url)
    .then(response => response.json())
    .then(data => {
      if (data.status === 'OK') {
        const result = data.results[0];
        const postalCode = result.address_components.find(
          component => component.types.includes('postal_code')
        );
        if (postalCode) {
          console.log('邮政编码:', postalCode.long_name);
        } else {
          console.log('未找到邮政编码');
        }
      } else {
        console.error('地理编码失败:', data.status);
      }
    })
    .catch(error => console.error('请求失败:', error));
}

// 使用示例
getPostalCode('1600 Amphitheatre Parkway, Mountain View, CA');

# Python示例使用反向地理编码获取邮政编码
import requests

def get_postal_code_from_coords(lat, lng, api_key):
    url = f"https://maps.googleapis.com/maps/api/geocode/json?latlng={lat},{lng}&key={api_key}"
    
    try:
        response = requests.get(url)
        data = response.json()
        
        if data['status'] == 'OK':
            for component in data['results'][0]['address_components']:
                if 'postal_code' in component['types']:
                    return component['long_name']
        return None
    except Exception as e:
        print(f"Error: {e}")
        return None

# 使用示例
api_key = "YOUR_API_KEY"
latitude = 37.4224764
longitude = -122.0842499
postal_code = get_postal_code_from_coords(latitude, longitude, api_key)
print(f"邮政编码: {postal_code}")