下载geoip2 ip库

git clone https://github.com/wp-statistics/GeoLite2-City.git

使用

go get github.com/oschwald/geoip2-golang

db,err:=geoip2.Open("GeoLite2-City.mmdb")

defer db.Close()

ip:=net.ParseIP("8.8.8.8")

record,err:=db.City(ip)

println(record,Country.IsoCode)

println(record.City.Names["en"])

println(record.Location.Latitude)

println(record.Location.Longitude)