golang-redis之sorted set类型简单操作
2017-11-25 21:22
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1:安装redigo
2:引用redigo
3:连接Redis
4:命令
5:sorted set简单操作
6:示例
6.1:zadd
6.2:zcard
6.3:zcount
6.4:zincrby
6.5:zinterstore
6.6:zlexcount
6.7:
6.8:zrangebylex
6.9:zrangebyscore
6.10:zrank
6.11:
6.12:zscore
6.13:zrevrank
6.14:zrevrangebyscore
6.15:zrevrange
6.16:zrem
6.17:zremrangebyrank
6.18:zremrangebyscore
7:示例结果
完整代码路径
go get github.com/garyburd/redigo/redis
2:引用redigo
import ( "github.com/garyburd/redigo/redis" )
3:连接Redis
c, err := redis.Dial("tcp", "192.168.2.225:6379") if err != nil { fmt.Println("connect to redis err", err.Error()) return } defer c.Close()
4:命令
n,err := c.Do("zadd","key","score","member") //写 result,err := redis.Values(c.Do("zrange","key",0,-1))//读
5:sorted set简单操作
zadd(key, score1,member1,...scoreN,memberN) 向有序结合添加(更新)一个或多个成员 zcard(key):获取有序集合的成员 zcount(key,start,end):计算指定区间的成员数 zincrby(key,increment,member):成员member增加increment zinterstore(dst,numkey,src1,src2..srcN):求交集,并将结果存储新的结合 zlexcount(key,start,end):计算字典区间成员数(分数都相同,按照字典排序) zrange(key,start,end):获取索引区间的成员 zrangebylex (key,start,end):通过字典区间返回区间内有序集合成员 zrangebyscore(key,start,end):通过分数返回区间内的有序集合 zrank (key,member):返回有序结合的索引 zrem(key,members1...membersN):删除一个或多个成员 zremrangebylex(key,start,end):移除集合中给定字典区间的成员 zremrangebyrank(key,start,end):移除有序集合中给定的排名区间的所有成员 zremrangebyscore(key,start,end):移除给定分数区间的所有元素 zrevange(key,start,end):通过索引,分数由高到低,返回指定区域的元素 zrevrangebyscore(key,member):分数由高向低返回指定区间的成员数 zrevrank(key,member):分数从小到大,返回指定成员的排名 zscore(key,member):返回有序集中,成员的分数值 zunionstore(dst,numkeys,key1...keyN):返回给定的一个或多个集合的并集,并存储在新的集合中 zscan(key,cursor):迭代有序结合中的元素(包括元素成员和元素分值)
6:示例
6.1:zadd
_, err1 := c.Do("zadd", "curbike", 1, "mobike", 2, "xiaolan", 3, "ofo", 4, "xiaoming") _, err2 := c.Do("zadd", "tmpdata", 0, "mobike", 0, "xiaolan", 0, "mysql", 0, "redis", 0, "mongo", 0, "xiaoming") if err1 != nil || err2 != nil { fmt.Println("zadd failed", err.Error()) }
6.2:zcard
num, err := c.Do("zcard", "curbike") if err != nil { fmt.Println("zcard failed", err.Error()) } else { fmt.Printf("curbike's size is %s:", num) }
6.3:zcount
num, err = c.Do("zcount", "curbike", 1, 3) if err != nil { fmt.Println("zcount failed ", err.Error()) } else { fmt.Println("zcount num is :", num) }
6.4:zincrby
num, err = c.Do("zincrby", "curbike", 3, "xiaolan") fmt.Println(reflect.TypeOf(num)) if err != nil { fmt.Println("zincrby failed", err.Error()) } else { fmt.Println("after zincrby the :", num) }
6.5:zinterstore
_, err = c.Do("zinterstore", "internewset", 2, "curbike", "tmpdata") if err != nil { fmt.Println("zinterstore failed", err.Error()) } else { result, err := redis.Va 4000 lues(c.Do("zrange", "internewset", 0, 10)) if err != nil { fmt.Println("interstore failed", err.Error()) } else { fmt.Printf("interstore newset elsements are:") for _, v := range result { fmt.Printf("%s ", v.([]byte)) } fmt.Println() } }
6.6:zlexcount
num, err = c.Do("zlexcount", "tmpdata", "[mongo", "[xiaoming") if err != nil { fmt.Println("zlexcount failed", err.Error()) } else { fmt.Println("zlexcount in tmpdata is :", num) }
6.7:
res, err := redis.Values(c.Do("zrange", "curbike", 0, -1, "withscores")) if err != nil { fmt.Println("zrange in curbike failed", err.Error()) } else { fmt.Printf("curbike's element are follow:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() }
6.8:zrangebylex
res, err = redis.Values(c.Do("zrangebylex", "tmpdata", "[mobike", "[redis")) if err != nil { fmt.Println("zrangebylex failed", err.Error()) } else { fmt.Printf("zrangebylex in tmpdata:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() }
6.9:zrangebyscore
res, err = redis.Values(c.Do("zrangebyscore", "curbike", "(1", "(5")) if err != nil { fmt.Println("zrangebyscore failed", err.Error()) } else { fmt.Printf("zrangebyscore's element:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() }
6.10:zrank
num, err = c.Do("zrank", "internewset", "xiaoming") if err != nil { fmt.Println("zrank failed ", err.Error()) } else { fmt.Println("xiaoming's score is ", num) }
6.11:
_, err = c.Do("zunionstore", "unewzset", 2, "curbike", "tmpdata") if err != nil { fmt.Println("zunionstore failed", err.Error()) } else { res, err = redis.Values(c.Do("zrange", "unewzset", 0, 10)) if err != nil { fmt.Println("zunionstore failed", err.Error()) } else { fmt.Printf("union set are:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() } }
6.12:zscore
ret, err := c.Do("zscore", "internewset", "xiaolan") if err != nil { fmt.Println("zscore failed", err.Error()) } else { fmt.Printf("curbike 's xiaolan score is:%s\n", ret) }
6.13:zrevrank
num, err = c.Do("zrevrank", "curbike", "ofo") if err != nil { fmt.Println("zrevrank failed", err.Error()) } else { fmt.Println("ofo's zrevrank is :", num) }
6.14:zrevrangebyscore
res, err = redis.Values(c.Do("zrevrangebyscore", "unewzset", 10, 2)) if err != nil { fmt.Println("zrevrangebyscore failed", err.Error()) } else { fmt.Printf("zrevrangebyscore are:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() }
6.15:zrevrange
res, err = redis.Values(c.Do("zrevrange", "unewzset", 0, 10)) err != nil { fmt.Println("zrevrange failed:", err.Error()) } else { fmt.Printf("zrevrange element:") for _, v := range res { fmt.Printf("%s ", v.([]byte)) } fmt.Println() }
6.16:zrem
num, err = c.Do("zrem", "unewzset", "mysql") if err != nil { fmt.Println("zrem failed", err.Error()) } else { fmt.Println("zrem result is:", num) }
6.17:zremrangebyrank
num, err = c.Do("zremrangebyrank", "unewzset", 1, 4) if err != nil { fmt.Println("zremrangebyrank failed", err.Error()) } else { fmt.Println("zremrangebyrank result:", num) }
6.18:zremrangebyscore
num, err = c.Do("zremrangebyscore", "curbike", 2, 5) if err != nil { fmt.Println("zremrangebyscore failed", err.Error()) } else { fmt.Println("zremrangebyscore result:", num) }
7:示例结果
完整代码路径
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