The 127.0.0.1:8084/apidoc/ return a 404
Demo
package main
import (
"fmt"
"github.com/gorilla/mux"
"net/http"
)
func main() {
//http.Handle("/apidoc/", http.StripPrefix("/apidoc",
http.FileServer(http.Dir("api-swagger"))))
//if err := http.ListenAndServe(":8082", nil); err != nil {
// fmt.Println(err)
//}
router := mux.NewRouter()
router.PathPrefix("/apidoc/").Handler(http.StripPrefix("/apidoc/", http.
FileServer(http.Dir("api-swagger"))))
if err := http.ListenAndServe(":8084", nil); err != nil {
fmt.Println(err)
}
//
//router.Use(mux.CORSMethodMiddleware(router))
}
在2014年1月21日星期二 UTC+8 14:51:37<Toni Cárdenas> 写道：
> The standard net/http ServeMux (which is the standard handler you are
> using when you use `http.Handle`) and the mux Router have different ways of
> matching an address. See the differences between
> http://golang.org/pkg/net/http/#ServeMux and
> http://godoc.org/github.com/gorilla/mux.
>
> So basically, http.Handle('/images/', ...) matches '/images/whatever',
> while myRouter.Handle('/images/', ...) _only_ matches '/images/', and if
> you want to handle '/images/whatever', you have to 1. set a regular
> expression match in your router or 2. use the PathPrefix method on your
> router, like:
>
> 1. myRouter.Handle('/images/{rest}', http.StripPrefix("/images/",
> http.FileServer(http.Dir(HomeFolder + "images/"))))
> 2. myRouter.PathPrefix("/images/").Handler(http.StripPrefix("/images/",
> http.FileServer(http.Dir(HomeFolder + "images/"))))
>
> On Tuesday, January 21, 2014 5:17:14 AM UTC+1, harvey....@gmail.com wrote:
>>
>> The problem I'm seeing is that I'm trying to use the http.FileServer with
>> the Gorilla mux Router.Handle function.
>>
>> This doesn't work (the image returns a 404)..
>>
>> myRouter := mux.NewRouter()
>> myRouter.Handle("/images/", http.StripPrefix("/images/",
>> http.FileServer(http.Dir(HomeFolder + "images/"))))
>>
>> this works (the image is shown ok)..
>>
>> http.Handle("/images/", http.StripPrefix("/images/",
>> http.FileServer(http.Dir(HomeFolder + "images/"))))
>>
>>
>> Simple go web server program below, showing the problem...
>>
>>
>> package main
>>
>> import (
>> "fmt"
>> "net/http"
>> "io"
>> "log"
>> "github.com/gorilla/mux"
>> )
>>
>> const (
>> HomeFolder = "/root/test/"
>> )
>>
>> func HomeHandler(w http.ResponseWriter, req *http.Request) {
>> io.WriteString(w, htmlContents)
>> }
>>
>> func main() {
>>
>> myRouter := mux.NewRouter()
>> myRouter.HandleFunc("/", HomeHandler)
>> //
>> // The next line, the image route handler results in
>> // the test.png image returning a 404.
>> // myRouter.Handle("/images/", http.StripPrefix("/images/",
>> http.FileServer(http.Dir(HomeFolder + "images/"))))
>> //
>> myRouter.Host("mydomain.com")
>> http.Handle("/", myRouter)
>>
>> // This method of setting the image route handler works fine.
>> // test.png is shown ok.
>> http.Handle("/images/", http.StripPrefix("/images/",
>> http.FileServer(http.Dir(HomeFolder + "images/"))))
>>
>> // HTTP - port 80
>> err := http.ListenAndServe(":80", nil)
>>
>> if err != nil {
>> log.Fatal("ListenAndServe: ", err)
>> fmt.Printf("ListenAndServe:%s\n", err.Error())
>> }
>> }
>>
>> const htmlContents = `<!DOCTYPE HTML>
>> <html lang="en">
>> <head>
>> <title>Test page</title>
>> <meta charset = "UTF-8" />
>> </head>
>> <body>
>> <p align="center">
>> <img src="/images/test.png" height="640" width="480">
>> </p>
>> </body>
>> </html>
>> `
>>
>
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