zrem key member
由于我的 redis 版本是 3.0.7,geo 功能是在 redis-3.2 后引入的,所以这里我直接贴出演示命令,就不在重装 redis 了。
127.0.0.1:6381> geoadd cities:locations 116.28 39.55 beijing
(integer) 1
127.0.0.1:6381> geoadd cities:locations 117.12 39.08 tianjin 114.29 38.02 shijiazhuang 118.01 39.38 tangshan 115.29 38.51 baoding
(integer) 4
127.0.0.1:6381> geopos cities:locations tianjin
1) 1) "117.12000042200088501"
2) "39.0800000535766543"
127.0.0.1:6381> geodist cities:locations tianjin beijing km
"89.2061"
127.0.0.1:6379> georadiusbymember cities:locations beijing 150 km
1) "beijing"
2) "tianjin"
3) "tangshan"
4) "baoding"