去构建:“找不到包"(即使设置了 GOPATH) [英] Go build: "Cannot find package" (even though GOPATH is set)

问题描述

即使我已经正确设置了 GOPATH，我仍然无法通过go build"或go run"来找到我自己的包.我做错了什么?

Even though I have GOPATH properly set, I still can't get "go build" or "go run" to find my own packages. What am I doing wrong?

$ echo $GOROOT
/usr/local/go

$ echo $GOPATH
/home/mitchell/go

$ cat ~/main.go
package main
import "foobar"
func main() { }

$ cat /home/mitchell/go/src/foobar.go
package foobar

$ go build main.go
main.go:3:8: import "foobar": cannot find package

推荐答案

它不起作用，因为您的 foobar.go 源文件不在名为 foobar 的目录中.go build 和 go install 尝试匹配目录，而不是源文件.

It does not work because your foobar.go source file is not in a directory called foobar. go build and go install try to match directories, not source files.

1. 将 $GOPATH 设置为有效目录，例如导出 GOPATH="$HOME/go"
2. 将 foobar.go 移动到 $GOPATH/src/foobar/foobar.go 并且构建应该可以正常工作.

1. Set $GOPATH to a valid directory, e.g. export GOPATH="$HOME/go"
2. Move foobar.go to $GOPATH/src/foobar/foobar.go and building should work just fine.

其他推荐步骤:

1. 将 $GOPATH/bin 添加到您的 $PATH 中:PATH="$GOPATH/bin:$PATH"
2. 将 main.go 移动到 $GOPATH/src 的子文件夹，例如$GOPATH/src/test
3. go install test 现在应该在 $GOPATH/bin 中创建一个可执行文件，可以通过在终端中键入 test 来调用它.莉>

1. Add $GOPATH/bin to your $PATH by: PATH="$GOPATH/bin:$PATH"
2. Move main.go to a subfolder of $GOPATH/src, e.g. $GOPATH/src/test
3. go install test should now create an executable in $GOPATH/bin that can be called by typing test into your terminal.

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