golang操作redis，golangredis

golang操作redis，golangredis

golang操作redis主要有两个库, github地址
redigo
redis

区别是redigo类似于一个redis_cli的client，执行各项命令都用Do函数去做.
redis则将各种操作封装成函数了
个人倾向于redis，redigo执行命令过于繁琐了，初接触用Do方法执行命令容易出错，比如range里面的返回的整型数都要用string类型的，让我觉得有些困扰

起client

redigo

wujingcideMacBook-Pro:redigo wujingci$ cat redigo.go
package main
import (
    "fmt"
    "github.com/garyburd/redigo/redis"
    "time"
)

func main() {
    c, err := redis.Dial("tcp", "127.0.0.1:6379")
    if err != nil {
        fmt.Println("Connect to redis error", err)
        return
    }
    defer c.Close()
    _, err = c.Do("SET", "willen_key", 1, "EX", "5")
    if err != nil {
        fmt.Println("redis set failed:", err)
    }

    score, err := redis.String(c.Do("GET", "willen_key"))
    if err != nil {
        fmt.Println("redis get failed:", err)
    } else {
        fmt.Printf("Get willen_key: %v \n", score)
    }
    time.Sleep(5 * time.Second)
    fmt.Println("after 5 second")
    score, err = redis.String(c.Do("GET", "willen_key"))
    if err != nil {
        fmt.Println("redis get failed:", err)
    } else {
        fmt.Printf("Get willen_key: %v \n", score)
    }
    fmt.Println("#######zset function########")
    for i :=1; i<5; i++ {
        _, err = c.Do("zadd", "willen_zset", i ,i)
        if err != nil {
            fmt.Println("redis set failed:", err)
        }
    }
    _, err = c.Do("zadd", "willen_zset", 123, 1)
    if err != nil {
        fmt.Println("redis set failed:", err)
    }
    result, err := redis.Values(c.Do("zrevrange", "willen_zset", "0", "-1", "WITHSCORES"))
    for _, v := range result {
        fmt.Println(string(v.([]byte)))
    }
}
wujingcideMacBook-Pro:redigo wujingci$ go run redigo.go
Get willen_key: 1
after 5 second
redis get failed: redigo: nil returned
#######zset function########
1
123
4
4
3
3
2
2

redis是官网例子改的

wujingcideMacBook-Pro:redis wujingci$ cat redis.go
package main
import "github.com/go-redis/redis"
import "fmt"

func main() {
    client := redis.NewClient(&redis.Options{
        Addr:     "127.0.0.1:6379",
        DB:       0,  // use default DB
    })
    err := client.Set("key", "value", 0).Err()
    if err != nil {
        panic(err)
    }

    val, err := client.Get("key").Result()
    if err != nil {
        panic(err)
    }
    fmt.Println("key", val)

    val2, err := client.Get("key2").Result()
    if err == redis.Nil {
        fmt.Println("key2 does not exist")
    } else if err != nil {
        panic(err)
    } else {
        fmt.Println("key2", val2)
    }
    // Output: key value
    // key2 does not exist
}

wujingcideMacBook-Pro:redis wujingci$ go run redis.go
key value
key2 does not exist

详细文档查询redis godoc