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golang-redis之sorted set类型简单操作

2017-11-25 21:22 441 查看
1:安装redigo

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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标签:  redis golang