tutorial-redis/charpeter02/main.go

package main

import (
	"encoding/json"
	"fmt"
	"time"

	"github.com/go-redis/redis"
	"myschools.me/suguo/tutorial-redis/conf"
)

func main() {
	client := redis.NewClient(&redis.Options{
		Addr:     conf.Host,
		Password: conf.Password,
		DB:       conf.Database,
	})
	//延迟到程序结束关闭链接
	defer client.Close()

	//ping
	pong, err := client.Ping().Result()
	if err != nil {
		fmt.Println("ping error", err.Error())
		return
	}
	fmt.Println("ping result:", pong)

	//string------------------------------------------------------------------------
	key := "go2key"
	//过期时间1小时
	err = client.Set(key, "我是值", time.Hour).Err()
	if err != nil {
		fmt.Println("set err", err)
		return
	}

	//获取
	value, err := client.Get(key).Result()
	if err != nil {
		fmt.Println("Get err", err)
		return
	}
	fmt.Printf("key:%v 值：%v \n", key, value)

	//json---------------------------------
	//存储结构
	doctor := struct {
		Id        int
		Name      string
		Age       int
		Sex       int
		CreatedAt time.Time
	}{1, "钟南山", 83, 1, time.Now()}
	doctorJson, _ := json.Marshal(doctor)
	client.Set("doctor2", doctorJson, time.Hour)

	//读取结构
	doctorResult, _ := client.Get("doctor2").Result()
	var doctor2 struct {
		Id        int
		Name      string
		Age       int
		Sex       int
		CreatedAt time.Time
	}
	//反序列化
	json.Unmarshal([]byte(doctorResult), &doctor2)
	fmt.Println("doctor2", doctor2)

	//list----------------------------------------------------
	//通道列表 list
	listKey := "go2list"
	client.RPush(listKey, "str1", 10, "str2", 15, "str3", 20).Err()

	//lpop 取出并移除左边第一个元素
	first, _ := client.LPop(listKey).Result()
	fmt.Printf("列表第一个元素 key:%v value:%v \n", first[0], first[1])

	//Blpop 取出并移除左边第一个元素， 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止。
	first2, _ := client.BLPop(time.Second*60, listKey).Result()
	fmt.Printf("列表第一个元素 key:%v value:%v \n", first2[0], first2[1])

	//数据长度
	listLen, _ := client.LLen(listKey).Result()
	fmt.Println("list length", listLen)

	//获取列表
	listGet, _ := client.LRange(listKey, 1, 2).Result()
	fmt.Println("索引1-2的2个元素元素", listGet)

	//hash-------------------------------------------
	hashKey := "userkey_1"
	//set hash 适合存储结构
	client.HSet(hashKey, "name", "叶子")
	client.HSet(hashKey, "age", 18)

	//get hash
	hashGet, _ := client.HGet(hashKey, "name").Result()
	fmt.Println("HGet name", hashGet)

	//获取所有hash 返回map
	hashGetAll, _ := client.HGetAll(hashKey).Result()
	fmt.Println("HGetAll", hashGetAll)
}