charpeter01学习redigo

.gitignore

@@ -15,3 +15,6 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
+.vscode/
+go.sum
+

README.md

@@ -1,3 +1,18 @@
 # tutorial-redis
 
-redis技术栈掌握
+### 概述
+golang官方推荐的有redisgo和go-reids，个人认为go-redis的封装更加人性化，redisgo的调用是基于命令的，go-redis是基于方法的。
+
+2行代码来比较下2种资源包的调用方式：  
+redisgo： client.Do("SET", "mykey", "我是数据", "EX", "3600")  
+go-redis：client.Set("mykey", "我是数据", time.Hour)
+
+同样是存储一个1小时后过期的数据，go-redis的调用方式明显更友好。
+
+### charpeter01
+基本使用，其中指令部分与redis-cli一致。
+github.com/gomodule/redigo/redis
+
+### charpeter02
+基本使用
+https://github.com/go-redis/redis

charpeter01/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	redigo "github.com/gomodule/redigo/redis"
+	"myschools.me/suguo/tutorial-redis/conf"
+)
+
+func main() {
+	pool := &redigo.Pool{
+		Dial: func() (redigo.Conn, error) {
+			return redigo.Dial("tcp", conf.Host,
+				redigo.DialDatabase(conf.Database),
+				redigo.DialPassword(conf.Password),
+			)
+		},
+		TestOnBorrow: func(c redigo.Conn, t time.Time) error {
+			if time.Since(t) < time.Minute {
+				return nil
+			}
+			_, err := c.Do("PING")
+			return err
+		},
+		MaxIdle:         100,
+		MaxActive:       100,
+		IdleTimeout:     60 * time.Second,
+		Wait:            false,
+		MaxConnLifetime: 0,
+	}
+
+	fmt.Printf("连接数：%d\n", pool.ActiveCount())
+
+	conn := pool.Get()
+	defer conn.Close()
+
+	//判断key是否存在
+	a, _ := conn.Do("EXISTS", "cp01")
+	i := a.(int64)
+	fmt.Printf("cp01的key是否存在：%d\n", i)
+	if i > 0 {
+		data, err := redigo.Bytes(conn.Do("GET", "cp01"))
+		if err != nil {
+			fmt.Printf("GET redis错误: %s\n", err.Error())
+		}
+		fmt.Printf("cp01内容：%s\n", data)
+	}
+
+	//设置一个值，单位s
+	r, err := conn.Do("SETEX", "cp01", 600, []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZ"))
+	if err != nil {
+		fmt.Printf("写入redis错误: %s\n", err.Error())
+	}
+	fmt.Printf("cp01写入后的返回：%v\n", r)
+}

charpeter02/main.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("hello")
+}

conf/conf.go

@@ -0,0 +1,7 @@
+package conf
+
+const (
+	Host     string = "192.168.8.254:6379"
+	Password string = "Test1231"
+	Database int    = 1
+)

go.mod

@@ -0,0 +1,5 @@
+module myschools.me/suguo/tutorial-redis
+
+go 1.15
+
+require github.com/gomodule/redigo v1.8.4