fiber极简极快新web框架

首先， 下载并安装Go。 1.11或更高。使用go get命令完成安装：
配置环境变量
export GO111MODULE=on
export GOPROXY=https://goproxy.cn

下载依赖
go get -u github.com/gofiber/fiber


提示：如果使用Goland，创建go.mod文件，使用go mod tidy命令自动拉取依赖

package main

import "github.com/gofiber/fiber"

func main() {
	app := fiber.New() // 创建 fiber app引擎

	app.Get("/", func(c *fiber.Ctx) { // 创建一个 get 方法的路由返回 Hello World！
		c.Send("Hello, World!")
	})

	app.Listen(3000) // 开启服务，并在 3000 端口监听。
}

func main() {
  app := fiber.New()

  // GET /john
  app.Get("/:name", func(c *fiber.Ctx) {
    fmt.Printf("Hello %s!", c.Params("name"))
    // => Hello john!
  })

  // GET /john
  app.Get("/:name/:age?", func(c *fiber.Ctx) {
    fmt.Printf("Name: %s, Age: %s", c.Params("name"), c.Params("age"))
    // => Name: john, Age:
  })

  // GET /api/register
  app.Get("/api/*", func(c *fiber.Ctx) {
    fmt.Printf("/api/%s", c.Params("*"))
    // => /api/register
  })

  app.Listen(3000)
}

func main() {
  app := fiber.New()

  app.Static("/", "/public")
  // => http://localhost:3000/js/script.js
  // => http://localhost:3000/css/style.css

  app.Static("/prefix", "/public")
  // => http://localhost:3000/prefix/js/script.js
  // => http://localhost:3000/prefix/css/style.css

  app.Static("*", "/public/index.html")
  // => http://localhost:3000/any/path/shows/index/html

  app.Listen(3000)
}

func main() {
  app := fiber.New()

  // Match any route
  app.Use(func(c *fiber.Ctx) {
    fmt.Println("First middleware")
    c.Next()
  })

  // Match all routes starting with /api
  app.Use("/api", func(c *fiber.Ctx) {
    fmt.Println("Second middleware")
    c.Next()
  })

  // GET /api/register
  app.Get("/api/list", func(c *fiber.Ctx) {
    fmt.Println("Last middleware")
    c.Send("Hello, World!")
  })

  app.Listen(3000)
}

import (
  "github.com/gofiber/fiber"
  "github.com/gofiber/template"
)

func main() {
  // You can setup template engine before initiation app:
  app := fiber.New(&fiber.Settings{
    TemplateEngine:    template.Mustache(),
    TemplateFolder:    "./views",
    TemplateExtension: ".tmpl",
  })

  // OR after initiation app at any convenient location:
  app.Settings.TemplateEngine = template.Mustache()
  app.Settings.TemplateFolder = "./views"
  app.Settings.TemplateExtension = ".tmpl"

  // And now, you can call template `./views/home.tmpl` like this:
  app.Get("/", func(c *fiber.Ctx) {
    c.Render("home", fiber.Map{
      "title": "Homepage",
      "year":  1999,
    })
  })

  // ...
}

func main() {
  app := fiber.New()

  // Root API route
  api := app.Group("/api", cors())  // /api

  // API v1 routes
  v1 := api.Group("/v1", mysql())   // /api/v1
  v1.Get("/list", handler)          // /api/v1/list
  v1.Get("/user", handler)          // /api/v1/user

  // API v2 routes
  v2 := api.Group("/v2", mongodb()) // /api/v2
  v2.Get("/list", handler)          // /api/v2/list
  v2.Get("/user", handler)          // /api/v2/user

  // ...
}

import (
    "github.com/gofiber/fiber"
    "github.com/gofiber/websocket"
)

func main() {
  app := fiber.New()

  app.Get("/ws", websocket.New(func(c *websocket.Conn) {
    for {
      mt, msg, err := c.ReadMessage()
      if err != nil {
        log.Println("read:", err)
        break
      }
      log.Printf("recv: %s", msg)
      err = c.WriteMessage(mt, msg)
      if err != nil {
        log.Println("write:", err)
        break
      }
    }
  }))

  app.Listen(3000)
  // ws://localhost:3000/ws
}