本文共 1912 字，大约阅读时间需要 6 分钟。

首先你要一个redis

第二件事

package mainimport (	"encoding/json"	"fmt"	"github.com/garyburd/redigo/redis")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 = setGetRedis(err, c)	err = deleteRedis(err, c)	redisJson(err, c)}func setGetRedis(err error, c redis.Conn) error {	_, err = c.Do("SET", "mykey", "123456")	if err != nil {		fmt.Println("redis set failed:", err)	}	username, err := redis.String(c.Do("GET", "mykey"))	if err != nil {		fmt.Println("redis get failed:", err)	} else {		fmt.Printf("Get mykey: %v \n", username)	}	is_key_exit, err := redis.Bool(c.Do("EXISTS", "mykey1"))	if err != nil {		fmt.Println("error:", err)	} else {		fmt.Printf("exists or not: %v \n", is_key_exit)	}	_, err = c.Do("SET", "mykey1", "superWang")	if err != nil {		fmt.Println("redis set failed:", err)	}	is_key_exit2, err := redis.Bool(c.Do("EXISTS", "mykey1"))	if err != nil {		fmt.Println("error:", err)	} else {		fmt.Printf("exists or not: %v \n", is_key_exit2)	}	return err}func deleteRedis(err error, c redis.Conn) error {	_, err = c.Do("DEL", "mykey1")	if err != nil {		fmt.Println("redis delelte failed:", err)	}	is_key_exit3, err := redis.Bool(c.Do("EXISTS", "mykey1"))	if err != nil {		fmt.Println("error:", err)	} else {		fmt.Printf("exists or not: %v \n", is_key_exit3)	}	return err}func redisJson(err error, c redis.Conn) {	key := "profile"	imap := map[string]string{"username": "666", "phonenumber": "888"}	value, _ := json.Marshal(imap)	n, err := c.Do("SETNX", key, value)	if err != nil {		fmt.Println(err)	}	if n == int64(1) {		fmt.Println("success")	}	var imapGet map[string]string	valueGet, err := redis.Bytes(c.Do("GET", key))	if err != nil {		fmt.Println(err)	}	errShal := json.Unmarshal(valueGet, &imapGet)	if errShal != nil {		fmt.Println(err)	}	fmt.Println(imapGet["username"])	fmt.Println(imapGet["phonenumber"])}

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