如何使用Go语言和Redis创建微服务

package main

import (
    "fmt"
    "net/http"
    "io/ioutil"
    "GitHub.com/go-redis/redis/v8"
)

var client *redis.Client

func main() {
    // 创建Redis客户端
    client = redis.NewClient(&redis.Options{
        Addr:     "localhost:6379",
        PassWord: "", // 没有密码时留空
        DB:       0,  // 默认数据库
    })

    // 定义HTTP处理函数
    http.HandleFunc("/save", saveHandler)

    // 启动HTTP服务器
    http.ListenAndServe(":8080", nil)
}

func saveHandler(w http.ResponseWriter, r *http.Request) {
    // 从HTTP请求中读取键和值
    body, err := ioutil.ReadAll(r.Body)
    if err != nil {
        http.Error(w, err.Error(), http.StatusInternalServerError)
        return
    }
    defer r.Body.Close()

    // 将键和值存储到Redis数据库中
    err = client.Set(r.URL.Path, string(body), 0).Err()
    if err != nil {
        http.Error(w, err.Error(), http.StatusInternalServerError)
        return
    }

    // 返回成功消息
    fmt.Fprint(w, "Data saved successfully")
}

go run main.go

curl -X POST -d "key=value" http://localhost:8080/save