Go 언어 웹사이트 접속 속도 최적화 마스터링 실무 경험 공유

// 使用ORM工具
type User struct {
    ID   int `gorm:"primary_key"`
    Name string
}

// 创建索引
db.Model(&User{}).AddIndex("idx_name", "name")

// 使用go-cache库
import (
    "github.com/patrickmn/go-cache"
    "time"
)

// 创建缓存
c := cache.New(5*time.Minute, 10*time.Minute)

// 添加缓存
c.Set("user", user, cache.DefaultExpiration)

// 获取缓存
if cachedUser, found := c.Get("user"); found {
    user = cachedUser.(User)
}

import (
    "fmt"
    "net/http"
    "sync"
)

func main() {
    urls := []string{"http://example.com", "http://example.org", "http://example.net"}

    var wg sync.WaitGroup
    for _, url := range urls {
        wg.Add(1)
        go func(url string) {
            defer wg.Done()

            resp, err := http.Get(url)
            if err != nil {
                fmt.Println("Error:", err)
                return
            }
            defer resp.Body.Close()
            // 处理请求结果
        }(url)
    }
    wg.Wait()
}

import (
    "fmt"
    "net/http"
    "time"
)

func main() {
    client := http.Client{
        Timeout: 5 * time.Second,
    }

    resp, err := client.Get("http://example.com")
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
    defer resp.Body.Close()
    // 处理请求结果
}

import (
    "compress/gzip"
    "fmt"
    "os"
)

func main() {
    file, err := os.Open("static/style.css")
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
    defer file.Close()

    // 创建gzip压缩文件
    gz, err := os.Create("static/style.css.gz")
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
    defer gz.Close()

    // 创建gzip写入器
    writer := gzip.NewWriter(gz)
    defer writer.Close()

    // 将文件内容写入gzip文件
    _, err = io.Copy(writer, file)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
}