全国所有省份和城市列表文件

全国所有的省份和省份对应的城市列表。省份和城市是分开的文件，每个省份的城市列表对应一个文件。需要用到哪个城市就去取哪个城市的文件。

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-04-22 13:21  CityFile\
     文件        1507  2014-04-22 13:21  CityFile\31110.json
     文件         204  2014-04-22 13:21  CityFile\311101.json
     文件         172  2014-04-22 13:21  CityFile\311102.json
     文件         177  2014-04-22 13:21  CityFile\311103.json
     文件         477  2014-04-22 13:21  CityFile\311104.json
     文件         976  2014-04-22 13:21  CityFile\31111.json
     文件        1150  2014-04-22 13:21  CityFile\31112.json
     文件        1311  2014-04-22 13:21  CityFile\31113.json
     文件         267  2014-04-22 13:21  CityFile\31114.json
     文件        1115  2014-04-22 13:21  CityFile\31115.json
     文件         659  2014-04-22 13:21  CityFile\31116.json
     文件        1161  2014-04-22 13:21  CityFile\31117.json
     文件        1422  2014-04-22 13:21  CityFile\31118.json
     文件        1009  2014-04-22 13:21  CityFile\31119.json
     文件        1287  2014-04-22 13:21  CityFile\31120.json
     文件          29  2014-04-22 13:21  CityFile\311201.json
     文件          13  2014-04-22 13:21  CityFile\311202.json
     文件          16  2014-04-22 13:21  CityFile\311203.json
     文件         987  2014-04-22 13:21  CityFile\31121.json
     文件        1197  2014-04-22 13:21  CityFile\31122.json
     文件        2293  2014-04-22 13:21  CityFile\31123.json
     文件        1373  2014-04-22 13:21  CityFile\31124.json
     文件        1295  2014-04-22 13:21  CityFile\31125.json
     文件        1771  2014-04-22 13:21  CityFile\31126.json
     文件         284  2014-04-22 13:21  CityFile\31127.json
     文件        1460  2014-04-22 13:21  CityFile\31128.json
     文件        1076  2014-04-22 13:21  CityFile\31129.json
     文件        1058  2014-04-22 13:21  CityFile\3113.json
     文件         211  2014-04-22 13:21  CityFile\31130.json
     文件         662  2014-04-22 13:21  CityFile\3114.json
............此处省略6个文件信息