获取geoIP数据库，就是通过来访者的IP， 定位他的经纬度，国家/地区，省市，甚至街道等位置信息。这里面的技术不算难题，关键在于有个精准 的数据库。有了准确的数据源就奇货可居赚点小钱，可是发扬合作精神，集体贡献众人享用是我们追求的。(Access to the geoIP database, through the visitor's IP, to locate his latitude and longitude, national / regional, provincial, and even streets and other location information. The technique is not a difficult one, but the key is to have an accurate database. The accurate data source on a valuable commodity to earn a little money, but the spirit of cooperation, collective contribution is our pursuit of everyone to enjoy.)