1 ：在views.py中

//阿里云地图之地址转地理坐标    http://ditu.aliyun.com/jsdoc/geocode_api.html  里面有返回的数据格式。

//参考geopy

import traceback
import xml.dom.minidom
from urllib2 import urlopen
from sys import version_info
from apps.address.models import City
from apps.org.models import Vresource
from django.utils.encoding import smart_str
from xml.parsers.expat import ExpatError

################################Quick Search###########################################
def search(request):
    qs = Vresource.objects.all()
    q = request.GET.get('q', '')
    result = util.ali_getlocation(q)
    result = simplejson.loads(result)
    distance = request.GET.get('distance', '1')
    
    if q != '':
        myfilter = Q()
        q = q.split(" ")
        
        for i in q:
            myfilter = myfilter|Q(name__icontains=i)|Q(address__icontains=i)|Q(traffic_info__icontains=i)
            
        if result['level'] != -1:
            geom = fromstr("POINT(%s %s)" % (result['lon'],result['lat']))
            distance_from_point = {'km':distance}
            qs = qs.filter(geometry__distance_lte=(geom, D(**distance_from_point)))         
            myfilter = myfilter|Q(geometry__distance_lte=(geom, D(**distance_from_point)))   
             
        qs = qs.filter(myfilter)
    return render_to_response('org/search.html', {'results':qs}, context_instance=RequestContext(request))

###############################ali_getlocation##########################################

def ali_getlocation(address, city_id=1):
    try:
        city = City.objects.get(id=city_id)
        address = smart_str(city.name + address)
        page = urlopen('http://gc.ditu.aliyun.com/geocoding?a=%s' %address)
        page = decode_page(page)
        return page
    except:
        print "Unexpected error:"
        tb = traceback.format_exc()
        print tb
        
def get_encoding(page, contents=None):
    # TODO: clean up Py3k support
    if version_info < (3, 0):
        charset = page.headers.getparam("charset") or None
    else:
        charset = page.headers.get_param("charset") or None
    if charset:
        return charset

    if contents:
        try:
            return xml.dom.minidom.parseString(contents).encoding
        except ExpatError:
            pass

def decode_page(page):
    contents = page.read()
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