GolangWeb多路由分组与中间件管理

net/http

gorilla/mux

gorilla/mux

gorilla/mux

go get github.com/gorilla/mux

main.go

package main

import (
    "fmt"
    "log"
    "net/http"

    "github.com/gorilla/mux"
)

// 示例中间件
func loggingMiddleware(next http.Handler) http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        // 在处理请求前记录日志
        log.Println(r.RequestURI)
        // 调用下一个处理器
        next.ServeHTTP(w, r)
    })
}

// 示例路由处理函数
func homeHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintln(w, "Welcome Home!")
}

func productsHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintln(w, "Products Page")
}

func main() {
    r := mux.NewRouter()

    // 创建一个子路由，并应用中间件
    api := r.PathPrefix("/api").Subrouter()
    api.Use(loggingMiddleware) // 应用中间件

    // 在子路由中定义路由
    api.HandleFunc("/home", homeHandler)
    api.HandleFunc("/products", productsHandler)

    // 根路由
    r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintln(w, "Root Route")
    })

    // 启动服务器
    log.Fatal(http.ListenAndServe(":8080", r))
}

gorilla/mux

loggingMiddleware

r.PathPrefix("/api").Subrouter()

/api

api.Use(loggingMiddleware)

loggingMiddleware

/api

gorilla/mux

/users/{id}

/users/new

/users/{id}

/users/new

/users/{id}

new

id

/users/new

/users/{id}

Methods

GET

/users/{id}

POST

/users

gorilla/mux

GET

Content-Type: application/json

gorilla/mux

regex

.html