Go语言中Redis缓存与本地内存缓存实战

package main

import (
	"context"
	"fmt"
	"time"

	"github.com/redis/go-redis/v9"
	"github.com/go-dev-frame/sponge/pkg/cache"
	"github.com/go-dev-frame/sponge/pkg/encoding"
)

// User 结构体示例
type User struct {
	ID   int
	Name string
}

func main() {
	// 初始化 Redis 客户端
	redisClient := redis.NewClient(&redis.Options{
		Addr:     "localhost:6379",
		Password: "",
		DB:       0,
	})

	cachePrefix := "user:"
	jsonEncoding := encoding.JSONEncoding{}
	newObject := func() interface{} {
		return &User{}
	}

	// 创建 Redis 缓存实例
	c := cache.NewRedisCache(redisClient, cachePrefix, jsonEncoding, newObject)

	ctx := context.Background()
	user := &User{ID: 1, Name: "Alice"}

	// 设置缓存数据
	err := c.Set(ctx, "1", user, 10*time.Minute)
	if err != nil {
		fmt.Println("缓存存储失败:", err)
		return
	}

	// 获取缓存数据
	var cachedUser User
	err = c.Get(ctx, "1", &cachedUser)
	if err != nil {
		fmt.Println("缓存读取失败:", err)
		return
	}
	fmt.Println("从缓存获取用户:", cachedUser)

	// 删除缓存
	c.Delete(ctx, "1")
}

package main

import (
	"context"
	"fmt"
	"time"

	"github.com/go-dev-frame/sponge/pkg/cache"
	"github.com/go-dev-frame/sponge/pkg/encoding"
)

// User 结构体示例
type User struct {
	ID   int
	Name string
}

func main() {
	// 初始化内存缓存
	cachePrefix := "user:"
	jsonEncoding := encoding.JSONEncoding{}
	newObject := func() interface{} {
		return &User{}
	}

	// 创建内存缓存实例
	c := cache.NewMemoryCache(cachePrefix, jsonEncoding, newObject)

	ctx := context.Background()
	user := &User{ID: 2, Name: "Bob"}

	// 设置缓存数据
	err := c.Set(ctx, "2", user, 10*time.Minute)
	if err != nil {
		fmt.Println("缓存存储失败:", err)
		return
	}

	// 获取缓存数据
	var cachedUser User
	err = c.Get(ctx, "2", &cachedUser)
	if err != nil {
		fmt.Println("缓存读取失败:", err)
		return
	}
	fmt.Println("从缓存获取用户:", cachedUser)

	// 删除缓存
	c.Delete(ctx, "2")
}