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Programming language: Go
Tags: Web Frameworks    
Latest version: v1.2.5

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README

Rux

GitHub tag (latest SemVer) GoDoc Build Status Coverage Status Go Report Card

Simple and fast web framework for build golang HTTP applications.

[中文说明](README.zh-CN.md)

  • Fast route match, support route group
  • Support route path params and named routing
  • Support cache recently accessed dynamic routes
  • Support route middleware, group middleware, global middleware
  • Support generic http.Handler interface middleware
  • Support static file access handle
  • Support add handlers for handle NotFound and NotAllowed

Godoc

Quick start

package main

import (
    "github.com/gookit/rux"
)

func main() {
    r := rux.New()

    // Static Assets
    // one file
    r.StaticFile("/site.js", "testdata/site.js")
    // allow any files in the dir.
    r.StaticDir("/static", "testdata")
    // file type limit
    r.StaticFiles("/assets", "testdata", "css|js")

    // Add Routes:

    r.GET("/", func(c *rux.Context) {
        c.Text(200, "hello")
    })
    r.GET("/hello/{name}", func(c *rux.Context) {
        c.Text(200, "hello " + c.Param("name"))
    })
    r.POST("/post", func(c *rux.Context) {
        c.Text(200, "hello")
    })
    r.Group("/articles", func() {
        r.GET("", func(c *rux.Context) {
            c.Text(200, "view list")
        })
        r.POST("", func(c *rux.Context) {
            c.Text(200, "create ok")
        })
        r.GET(`/{id:\d+}`, func(c *rux.Context) {
            c.Text(200, "view detail, id: " + c.Param("id"))
        })
    })

    // add multi method support for an route path
    r.Add("/post[/{id}]", func(c *rux.Context) {
        if c.Param("id") == "" {
            // do create post
            c.Text(200, "created")
            return
        }

        id := c.Params.Int("id")
        // do update post
        c.Text(200, "updated " + fmt.Sprint(id))
    }, rux.POST, rux.PUT)

    // quick start
    r.Listen(":8080")
    // can also
    // http.ListenAndServe(":8080", r)
}

Use Middleware

rux support use middleware, allow:

  • global middleware
  • group middleware
  • route middleware

Call priority: global middleware -> group middleware -> route middleware

Example

package main

import (
    "fmt"
    "github.com/gookit/rux"
)

func main() {
    r := rux.New()

    // add global middleware
    r.Use(func(c *rux.Context) {
        // do something ...
    })

    // add middleware for the route
    route := r.GET("/middle", func(c *rux.Context) { // main handler
        c.WriteString("-O-")
    }, func(c *rux.Context) { // middle 1
        c.WriteString("a")
        c.Next() // Notice: call Next()
        c.WriteString("A")
        // if call Abort(), will abort at the end of this middleware run
        // c.Abort() 
    })

    // add more by Use()
    route.Use(func(c *rux.Context) { // middle 2
        c.WriteString("b")
        c.Next()
        c.WriteString("B")
    })

    // now, access the URI /middle
    // will output: ab-O-BA
}
  • Call sequence: middle 1 -> middle 2 -> main handler -> middle 2 -> middle 1
  • Flow chart:
        +-----------------------------+
        | middle 1                    |
        |  +----------------------+   |
        |  | middle 2             |   |
 start  |  |  +----------------+  |   | end
------->|  |  |  main handler  |  |   |--->----
        |  |  |________________|  |   |    
        |  |______________________|   |  
        |_____________________________|

more please see [middleware_test.go](middleware_test.go) middleware tests

Use http.Handler

rux is support generic http.Handler interface middleware

You can use rux.WrapHTTPHandler() convert http.Handler as rux.HandlerFunc

package main

import (
    "net/http"

    "github.com/gookit/rux"
    // here we use gorilla/handlers, it provides some generic handlers.
    "github.com/gorilla/handlers"
)

func main() {
    r := rux.New()

    // create a simple generic http.Handler
    h0 := http.HandlerFunc(func (w http.ResponseWriter, r *http.Request) {
        w.Header().Set("new-key", "val")
    })

    r.Use(rux.WrapHTTPHandler(h0), rux.WrapHTTPHandler(handlers.ProxyHeaders()))

    r.GET("/", func(c *rux.Context) {
        c.Text(200, "hello")
    })
    // add routes ...

    // Wrap our server with our gzip handler to gzip compress all responses.
    http.ListenAndServe(":8000", handlers.CompressHandler(r))
}

More Usage

Name Route

In rux, you can add a named route, and you can get the corresponding route instance(rux.Route) from the router according to the name.

Examples：

    r := rux.New()

    // Method 1
    myRoute := rux.NewNamedRoute("name1", "/path4/some/{id}", emptyHandler, "GET")
    r.AddRoute(myRoute)

    // Method 2
    rux.AddNamed("name2", "/", func(c *rux.Context) {
        c.Text(200, "hello")
    })

    // Method 3
    r.GET("/hi", func(c *rux.Context) {
        c.Text(200, "hello")
    }).NamedTo("name3", r)

    // get route by name
    myRoute = r.GetRoute("name1")

Redirect

    r.GET("/", func(c *rux.Context) {
        c.AbortThen().Redirect("/login", 302)
    })

    // Or
    r.GET("/", func(c *rux.Context) {
        c.Redirect("/login", 302)
        c.Abort()
    })

    r.GET("/", func(c *rux.Context) {
        c.Back()
        c.Abort()
    })

Multi Domains

code is refer from julienschmidt/httprouter

package main

import (
    "github.com/gookit/rux"
    "log"
    "net/http"
)

type HostSwitch map[string]http.Handler

// Implement the ServeHTTP method on our new type
func (hs HostSwitch) ServeHTTP(w http.ResponseWriter, r *http.Request) {
    // Check if a http.Handler is registered for the given host.
    // If yes, use it to handle the request.
    if router := hs[r.Host]; router != nil {
        router.ServeHTTP(w, r)
    } else {
        // Handle host names for which no handler is registered
        http.Error(w, "Forbidden", 403) // Or Redirect?
    }
}

func main() {
    // Initialize a router as usual
    router := rux.New()
    router.GET("/", Index)
    router.GET("/hello/{name}", func(c *rux.Context) {})

    // Make a new HostSwitch and insert the router (our http handler)
    // for example.com and port 12345
    hs := make(HostSwitch)
    hs["example.com:12345"] = router

    // Use the HostSwitch to listen and serve on port 12345
    log.Fatal(http.ListenAndServe(":12345", hs))
}

RESETful style & Controller style

package main

import (
    "github.com/gookit/rux"
    "log"
    "net/http"
)

type Product struct {
}

// middlewares [optional]
func (Product) Uses() map[string][]rux.HandlerFunc {
    return map[string][]rux.HandlerFunc{
        // function name: handlers
        "Delete": []rux.HandlerFunc{
            handlers.HTTPBasicAuth(map[string]string{"test": "123"}),
            handlers.GenRequestID(),
        },
    }
}

// all products [optional]
func (p *Product) Index(c *rux.Context) {
    // balabala
}

// create product [optional]
func (p *Product) Create(c *rux.Context) {
    // balabala
}

// save new product [optional]
func (p *Product) Store(c *rux.Context) {
    // balabala
}

// show product with {id} [optional]
func (p *Product) Show(c *rux.Context) {
    // balabala
}

// edit product [optional]
func (p *Product) Edit(c *rux.Context) {
    // balabala
}

// save edited product [optional]
func (p *Product) Update(c *rux.Context) {
    // balabala
}

// delete product [optional]
func (p *Product) Delete(c *rux.Context) {
    // balabala
}

type News struct {
}

func (n *News) AddRoutes(g *rux.Router) {
    g.GET("/", n.Index)
}

func (n *News) Index(c *rux.Context) {
    // balabala
}

func main() {
    router := rux.New()

    // methods  Path    Action  Route Name
    // GET  /product    index   product_index
    // GET  /product/create create  product_create
    // POST /product    store   product_store
    // GET  /product/{id}   show    product_show
    // GET  /product/{id}/edit  edit    product_edit
    // PUT/PATCH    /product/{id}   update  product_update
    // DELETE   /product/{id}   delete  product_delete
    // resetful style
    router.Resource("/", new(Product))

    // controller style
    router.Controller("/news", new(News))

    log.Fatal(http.ListenAndServe(":12345", router))
}

Get route-name and Build url

package main

import (
    "log"
    "net/http"

    "github.com/gookit/rux"
)

func main() {
    // Initialize a router as usual
    router := rux.New()
    router.GET(`/news/{category_id}/{new_id:\d+}/detail`, func(c *rux.Context) {
        var u = make(url.Values)
        u.Add("username", "admin")
        u.Add("password", "12345")

        b := rux.NewBuildRequestURL()
        // b.Scheme("https")
        // b.Host("www.mytest.com")
        b.Queries(u)
        b.Params(rux.M{"{category_id}": "100", "{new_id}": "20"})
        // b.Path("/dev")
        // println(b.Build().String())

        println(c.Router().BuildRequestURL("new_detail", b).String())
        // result:  /news/100/20/detail?username=admin&password=12345
        // get current route name
        if c.MustGet(rux.CTXCurrentRouteName) == "new_detail" {
            // post data etc....
        }
    }).NamedTo("new_detail", router)

    // Use the HostSwitch to listen and serve on port 12345
    log.Fatal(http.ListenAndServe(":12345", router))
}

Help

  • lint
golint ./...
  • format check
# list error files
gofmt -s -l ./
# fix format and write to file
gofmt -s -w some.go
  • unit test
go test -cover ./...

Gookit Packages

  • gookit/ini Go config management, use INI files
  • gookit/rux Simple and fast request router for golang HTTP
  • gookit/gcli build CLI application, tool library, running CLI commands
  • gookit/event Lightweight event manager and dispatcher implements by Go
  • gookit/cache Generic cache use and cache manager for golang. support File, Memory, Redis, Memcached.
  • gookit/config Go config management. support JSON, YAML, TOML, INI, HCL, ENV and Flags
  • gookit/color A command-line color library with true color support, universal API methods and Windows support
  • gookit/filter Provide filtering, sanitizing, and conversion of golang data
  • gookit/validate Use for data validation and filtering. support Map, Struct, Form data
  • gookit/goutil Some utils for the Go: string, array/slice, map, format, cli, env, filesystem, test and more
  • More please see https://github.com/gookit

See also

License

[MIT](LICENSE)


*Note that all licence references and agreements mentioned in the rux README section above are relevant to that project's source code only.