golang中比较好用的第三方开源redisclient有:
- go-redis
- redigo
两个都是非常优秀的redisclient库，也是redis官网上推荐，笔者选择是的是go-redis，因为go-redis封装了redis的大部分命令，不用关心redis的命令的细节，直接调用相应接口就行；redigo是基于命令的，发送一个命令，然后在解析reply；所以相对而言，笔者觉得go-redis接口更友好；
这里也稍微做个广告，如果有朋友是用c++的，可以尝试下笔者开源的一个c++版的redisclient：redis_cpp, 跟go-redis类似，封装了redis大部分的命令，支持redis standalone, sentinel, cluster mode, 接口友好好用
1. go-redis的安装
go get https://github.com/go-redis/redis
2. 测试代码
// redis_test project main.go
package main
import (
"fmt"
"time"
"github.com/go-redis/redis"
)
func err_handler(err error) {
fmt.Printf("err_handler, error:%s\n", err.Error())
panic(err.Error())
}
func standalon_redis_test() {
fmt.Printf("standalon_redis_test")
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "",
DB: 0,
})
defer client.Close()
pong, err := client.Ping().Result()
if err != nil {
fmt.Printf("ping error[%s]\n", err.Error())
err_handler(err)
}
fmt.Printf("ping result: %s\n", pong)
fmt.Printf("----------------------------------------\n")
// set / get test
fmt.Printf("set/get test\n")
err = client.Set("foo", "bar", 0).Err()
if err != nil {
fmt.Printf("try set key[foo] to value[bar] error[%s]\n",
err.Error())
err_handler(err)
}
err = client.Set("foo1", "bar1", time.Hour*2).Err()
if err != nil {
fmt.Printf("try set key[foo1] to value[bar1] error[%s]\n",
err.Error())
err_handler(err)
}
// get value
value, err := client.Get("foo").Result()
if err != nil {
fmt.Printf("try get key[foo] error[%s]\n", err.Error())
// err_handler(err)
}
fmt.Printf("key[foo]'s value is %s\n", value)
value, err = client.Get("foo1").Result()
if err != nil {
fmt.Printf("try get key[foo1] error[%s]\n", err.Error())
// err_handler(err)
}
fmt.Printf("key[foo1]'s value is %s\n", value)
value, err = client.Get("foo2").Result()
if err != nil {
fmt.Printf("try get key[foo2] error[%s]\n", err.Error())
// err_handler(err)
}
fmt.Printf("key[foo2]'s value is %s\n", value)
// get ttl
duration, err := client.TTL("foo").Result()
if err != nil {
fmt.Printf("try get ttl of key[foo] error[%s]\n", err.Error())
err_handler(err)
}
fmt.Printf("key[foo]' ttl is [%s] %fs\n",
duration.String(), duration.Seconds())
duration, err = client.TTL("foo1").Result()
if err != nil {
fmt.Printf("try get ttl of key[foo1] error[%s]\n", err.Error())
err_handler(err)
}
fmt.Printf("key[foo1]' ttl is [%s] %ds\n",
duration.String(), int64(duration.Seconds()))
fmt.Printf("----------------------------------------\n")
// list test
fmt.Printf("list test\n")
err = client.RPush("tqueue", "tmsg1").Err()
if err != nil {
fmt.Printf("rpush list[tqueue] error[%s]\n", err.Error())
err_handler(err)
}
list_len, err := client.LLen("tqueue").Result()
if err != nil {
fmt.Printf("try get len of list[tqueue] error[%s]\n",
err.Error())
err_handler(err)
}
fmt.Printf("len of list[tqueue] is %d\n", list_len)
result, err := client.BLPop(time.Second*1, "tqueue").Result()
if err != nil {
fmt.Printf("blpop list[tqueue] error[%s]\n", err.Error())
err_handler(err)
}
fmt.Printf("blpop list[tqueue], value[%s]\n", result[1])
fmt.Printf("----------------------------------------\n")
fmt.Printf("hmap test\n")
err = client.HSet("tmap", "1", "f1").Err()
if err != nil {
fmt.Printf("try hset map[tmap] field[1] error[%s]\n",
err.Error())
err_handler(err)
}
err = client.HSet("tmap", "2", "f2").Err()
if err != nil {
fmt.Printf("try hset map[tmap] field[2] error[%s]\n",
err.Error())
err_handler(err)
}
kv_map := make(map[string]interface{})
kv_map["3"] = "f3"
kv_map["4"] = "f4"
err = client.HMSet("tmap", kv_map).Err()
if err != nil {
fmt.Printf("try mset map[tmap] field[3] field[4] error[%s]\n",
err.Error())
err_handler(err)
}
map_len, err := client.HLen("tmap").Result()
if err != nil {
fmt.Printf("try get len of map[tmap] error[%s]\n", err.Error())
err_handler(err)
}
fmt.Printf("len of map[tmap] is %d\n", map_len)
// get map value
value, err = client.HGet("tmap", "1").Result()
if err != nil {
fmt.Printf("try get field[1] value of map[tmap] error[%s]\n",
err.Error())
err_handler(err)
}
fmt.Printf("field[1] value of map[tmap] is %s\n", value)
// hgetall
result_kv, err := client.HGetAll("tmap").Result()
if err != nil {
fmt.Printf("try hgetall map[tmap] error[%s]\n", err.Error())
err_handler(err)
}
for k, v := range result_kv {
fmt.Printf("map[tmap] %s = %s\n", k, v)
}
fmt.Printf("----------------------------------------\n")
fmt.Printf("pubsub test\n")
pubsub := client.Subscribe("test_channel")
_, err = pubsub.Receive()
if err != nil {
fmt.Printf("try subscribe channel[test_channel] error[%s]\n",
err.Error())
err_handler(err)
}
// go channel to used to receive message
ch := pubsub.Channel()
// publish a message
err = client.Publish("test_channel", "hello").Err()
if err != nil {
fmt.Printf("try publish message to channel[test_channel] error[%s]\n",
err.Error())
err_handler(err)
}
time.AfterFunc(time.Second*2, func() {
_ = pubsub.Close()
})
// consume message
for {
msg, ok := <-ch
if !ok {
break
}
fmt.Printf("recv message[%s] from channel[%s]\n",
msg.Payload, msg.Channel)
}
}
func main() {
fmt.Println("redis_test!")
standalon_redis_test()
}
