Golang：go-cache基于内存的键值存储缓存库

An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.

译文：Go的内存 key:value store/cache（类似于Memcached）库，适用于单机应用程序。

文档

• https://pkg.go.dev/github.com/patrickmn/go-cache
• https://github.com/patrickmn/go-cache
• https://patrickmn.com/projects/go-cache/

安装

go get github.com/patrickmn/go-cache

方法签名

func New(defaultExpiration, cleanupInterval time.Duration) *Cache

func (c *cache) Set(k string, x interface{}, d time.Duration)

func (c *cache) Get(k string) (interface{}, bool)

示例

package main

import (
    "fmt"
    "log"
    "time"

    "github.com/patrickmn/go-cache"
)

func main() {
    // 设置默认过期时间10秒；清理间隔30分钟
    caching := cache.New(10*time.Second, 30*time.Minute)

    // 设置过期时间
    caching.Set("key", "value", 10*time.Second)

    // 获取数据
    value, ok := caching.Get("key")

    if !ok {
        log.Fatal()
    }

    fmt.Printf("value: %v\n", value)
    // value: value
}

参考 Go 每日一库之 go-cache 缓存