douqie3391 2017-11-14 04:49
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找不到软件包“ api / handlers”

Ok so this question has been asked before and I believe I have looked through all of them to and tested the answers but I will explain how each one doesn't match my case. I might have missed the answer in one of those but I read each one and attempted to see if it could fit my case

How to import local packages in go? I believe my imports follow the structure of the answer

Go build: "Cannot find package" (even though GOPATH is set) I'm not sure if this one is fully pertinent but I don't think it's the same error.

Golang - Why can't I import local package in GOPATH/src/project but can in home directory? My import path isn't relative so this question isn't pertinent.

My error is simple:

cannot find package "api/handlers" in any of: 
C:\Go\src\api\handlers (from $GOROOT) 
C:\Projects\Go\src\api\handlers (from $GOPATH)`

My project structure is as follows:

src
|
 --api
   |
    -- index.go
    -- repo.go
   |
   github.com
   |
   main.go

Environment variables:

$GOPATH : C:\Projects\Go
$GOROOT : C:\Go\

index and repo.go both have the same package name, imports, and just an empty function:

package handlers

import (
    "net/http"
)

func indexHandler(w http.ResponseWriter, r *http.Request) {
}

My main.go:

package main

import (
    "fmt"
    "log"
    "net/http"
    "api/handlers"
)

func main() {
    http.HandleFunc("/api/index", handlers.indexHandler)
    http.HandleFunc("/api/repo", handlers.repoHandler)

    log.Fatal(http.ListenAndServer("localhost:8080", nil))
}
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  • dsmvovm27249 2017-11-14 05:01
    关注

    What's happening is that import api/handlers is looking for the folder handlers in the folder api, and then looking in the contents for the package name. Add a handlers folder inside api and move index.go and repo.go into that folder. Or just change the package name to api in those files and just do import api.

    About your comment:

    cannot refer to unexported name handlers.indexHandler

    In order for you to be able to use function indexHandler from your main package, you should rename it to IndexHandler. In go, for things to be able to be accessed by other packages, the name needs to start with a capital letter.

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