redis-geo

介绍

• 算法看geo那个
• 内部实现就是zset(skiplist)

实例

//增加ireader的坐标
127.0.0.1:6379> geoadd company 116.514203 39.905409 ireader 
(integer) 1

//增加美团的坐标
127.0.0.1:6379> geoadd company 116.489033 40.007669 meituan
(integer) 1
127.0.0.1:6379> geoadd company 116.562108 39.787602 jd 116.334255 40.027400 xiaomi
(integer) 2
//查看掘金和掌阅的距离
127.0.0.1:6379> geodist company juejin ireader km
"10.5501"

//查看掘金的坐标
127.0.0.1:6379>  geopos company juejin
1) 1) "116.48104995489120483"
   2) "39.99679348858259686"
   
//获取小米的geohash编码
127.0.0.1:6379> geohash company xiaomi
1) "wx4exqb0880"
127.0.0.1:6379> geohash company meituan
1) "wx4gdg0tx40"
127.0.0.1:6379>