golang框架在高并发场景中的扩展性应对

// Server.go

package main

import (

    "context"

    "fmt"

    "Github.com/gin-gonic/gin"

    "github.com/go-redis/redis/v8"

)

// Redis client

var client *redis.Client

func main() {

    // Connect to Redis

    client = redis.NewClient(&redis.Options{

        Addr:     "localhost:6379",

        Password: "", // if needed

        DB:       0,  // use default DB

    })

    defer client.Close()

    // Create Gin router

    r := gin.Default()

    r.GET("/get", func(c *gin.Context) {

        key := c.Query("key")

        // Get value from Redis

        val, err := client.Get(context.Background(), key).Result()

        if err != nil {

            c.JSON(500, gin.H{"error": "Redis error"})

            return

        }

        c.JSON(200, gin.H{"value": val})

    })

    r.POST("/set", func(c *gin.Context) {

        key := c.Query("key")

        val := c.Query("value")

        // Set value in Redis

        err := client.Set(context.Background(), key, val, 0).Err()

        if err != nil {

            c.JSON(500, gin.H{"error": "Redis error"})

            return

        }

        c.JSON(200, gin.H{"success": true})

    })

    // Start server

    r.Run() // listen and serve on 0.0.0.0:8080 (default)

}