试用 go mod
Go 1.11 支持 module.
代码不需要在 GOPATH/src 目录下。
先初始化模块,生成 go.mod
E:\temp
λ mkdir -p testmod\hello
E:\temp
λ cd testmod\hello\
E:\temp\testmod\hello
λ go mod init github.com/jinq0123/hello
go: creating new go.mod: module github.com/jinq0123/hello
创建 hello.go
package main
import (
"fmt"
"rsc.io/quote"
)
func main() {
fmt.Println(quote.Hello())
}
构建时报 golang.org/x/text
连不上:
E:\temp\testmod\hello
λ go build
go: golang.org/x/text@v0.0.0-20170915032832-14c0d48ead0c: unrecog
nized import path "golang.org/x/text" (https fetch: Get https://g
olang.org/x/text?go-get=1: dial tcp 216.239.37.1:443: connectex:
A socket operation was attempted to an unreachable network.)
go: error loading module requirements
go.mod
添加
replace golang.org/x/text => github.com/golang/text v0.3.0
然后构建就成功了:
E:\temp\testmod\hello
λ go build
go: finding github.com/golang/text v0.3.0
go: downloading rsc.io/sampler v1.3.0
go: downloading github.com/golang/text v0.3.0
E:\temp\testmod\hello
λ hello.exe
Hello, world.
如果不加版本号,则会报错:
go.mod:9: replacement module without version must be directory path (rooted or starting with ./ or ../)
Go 1.11.1 replace 还有问题,仍会试图连接原地址。目前版本 1.11.4 可以用。
参考:
https://github.com/golang/go/wiki/Modules