本文主要介绍了go redis之redigo的使用,分享给大家,具体如下:
安装
go-redis 三方库为我们封装了很多函数来执行 Redis 命令,而 redigo 三方库只有一个 Do 函数执行 Redis 命令,更接近使用 redis-cli 操作 Redis。
go-redis 支持连接哨兵及集群模式的Redis
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go get github.com/gomodule/redigo go get github.com/ go -redis/redis/v8 |
链接Redis
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } fmt. Println ( "redis conn success" ) defer c. Close () } |
String类型操作
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } defer c. Close () _, err = c.Do( "Set" , "abc" , 100 ) if err != nil { fmt. Println (err) return } r, err := redis. Int (c.Do( "Get" , "abc" )) if err != nil { fmt. Println ( "get abc failed," , err) return } fmt. Println (r) } |
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } defer c. Close () _, err = c.Do( "MSet" , "abc" , 100 , "efg" , 300 ) if err != nil { fmt. Println (err) return } r, err := redis.Ints(c.Do( "MGet" , "abc" , "efg" )) if err != nil { fmt. Println ( "get abc failed," , err) return } for _, v := range r { fmt. Println (v) } } |
设置过期时间
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } defer c. Close () _, err = c.Do( "expire" , "abc" , 10 ) if err != nil { fmt. Println (err) return } } ---------------------------- 或者这样也行 do, err := client.Do( "set" , "name" , "1111" , "EX" , 5 ) |
List操作
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } defer c. Close () _, err = c.Do( "lpush" , "book_list" , "abc" , "ceg" , 300 ) if err != nil { fmt. Println (err) return } r, err := redis. String (c.Do( "lpop" , "book_list" )) if err != nil { fmt. Println ( "get abc failed," , err) return } fmt. Println (r) } |
Hash表
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func main() { c, err := redis.Dial( "tcp" , "localhost:6379" ) if err != nil { fmt. Println ( "conn redis failed," , err) return } defer c. Close () _, err = c.Do( "HSet" , "books" , "abc" , 100 ) if err != nil { fmt. Println (err) return } r, err := redis. Int (c.Do( "HGet" , "books" , "abc" )) if err != nil { fmt. Println ( "get abc failed," , err) return } fmt. Println (r) } |
Redis连接池
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var pool *redis.Pool //创建redis连接池 func init(){ pool = &redis.Pool{ //实例化一个连接池 MaxIdle: 16 , //最初的连接数量 // MaxActive:1000000, //最大连接数量 MaxActive: 0 , //连接池最大连接数量,不确定可以用0(0表示自动定义),按需分配 IdleTimeout: 300 , //连接关闭时间 300秒 (300秒不使用自动关闭) Dial: func () (redis.Conn , error ){ //要连接的redis数据库 return redis.Dial( "tcp" , "localhost:6379" ) }, } } func main(){ c := pool.Get() //从连接池,取一个链接 defer c. Close () //函数运行结束 ,把连接放回连接池 _,err := c.Do( "Set" , "abc" , 200 ) if err != nil { fmt. Println (err) return } r,err := redis. Int (c.Do( "Get" , "abc" )) if err != nil { fmt. Println ( "get abc faild :" ,err) return } fmt. Println (r) pool. Close () //关闭连接池 } |
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原文链接:https://blog.csdn.net/General_zy/article/details/124831998