golang 升级安装

下载
https://studygolang.com/dl
go1.13.5.darwin-amd64.pkg

$go version
go version go1.9.2 darwin/amd64

A previous installation of Go exists at /usr/local/go. This installer will remove the previous installation prior to installing. Please back up any data before proceeding.

ok

$go version
go version go1.13.5 darwin/amd64

$echo $GOROOT
/usr/local/go

$export GOPROXY=https://goproxy.cn
$export GO111MODULE=on

vi ~/.bashrc

$go mod
Go mod provides access to operations on modules.

成功安装

测验
$ go get -u -v github.com/micro/go-micro
go: finding github.com/micro/go-micro v1.18.0
特别快

go:cannot find main module;see ‘go help modules’报错无法运行

$go get -d -v ./…
go: cannot find main module, but found .git/config in /Users/didi/goLang/src/github.com/golang-study-day/go-micro
to create a module there, run:
cd ../.. && go mod init

$go mod init
go: creating new go.mod: module github.com/golang-study-day/go-micro

$go get -d -v ./…
go: finding golang.org/x/net latest
go: downloading golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553
go: extracting golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553

cannot find package “google.golang.org/genproto/googleapis/rpc/status” in any of:

git clone https://github.com/googleapis/go-genproto