Golang是Google开发的一种编译型,平行化编程语言。具备简洁、快速、安全。善于内存管理、数组安全,而且编译迅速
Go语言设计支持主流的32位和64位的x86平台,同时也支持32位的ARM架构。Go语言在Go1版本上支持Windows, 苹果Mac OS X, Linux和FreeBSD操做系统。html
固然,一切语言的学习都从搭建环境开始(macOS)golang
Homebrew 安装参考:http://brew.sh/shell
$ brew install go
==> Downloading https://homebrew.bintray.com/bottles/go-1.10.3.high_sierra.bottl Already downloaded: /Users/faremax/Library/Caches/Homebrew/go-1.10.3.high_sierra.bottle.tar.gz ==> Pouring go-1.10.3.high_sierra.bottle.tar.gz ==> Caveats A valid GOPATH is required to use the `go get` command. If $GOPATH is not specified, $HOME/go will be used by default: https://golang.org/doc/code.html#GOPATH You may wish to add the GOROOT-based install location to your PATH: export PATH=$PATH:/usr/local/opt/go/libexec/bin ==> Summary ? /usr/local/Cellar/go/1.10.3: 8,170 files, 336.7MB
安装成功后须要配置一下环境变量,在~/.bash_profile
中添加如下内容:编程
#golang export GOPATH=$HOME/go export GOBIN=$GOPATH/bin export PATH=$PATH:$GOBIN
这里能够看出须要设置GOPATH和GOBIN的环境变量,以及设置PATH.数组
为使修改马上生效,执行:安全
$ source .bash_profile
查看配置是否生效:bash
$ go env
获得以下内容:架构
GOARCH="amd64" GOBIN="/Users/faremax/go/bin" GOCACHE="/Users/faremax/Library/Caches/go-build" GOEXE="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOOS="darwin" GOPATH="/Users/faremax/go" GORACE="" GOROOT="/usr/local/Cellar/go/1.10.3/libexec" GOTMPDIR="" GOTOOLDIR="/usr/local/Cellar/go/1.10.3/libexec/pkg/tool/darwin_amd64" GCCGO="gccgo" CC="clang" CXX="clang++" CGO_ENABLED="1" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2"GOARCH="amd64" GOBIN="/Users/faremax/go/bin" GOCACHE="/Users/faremax/Library/Caches/go-build" GOEXE="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOOS="darwin" GOPATH="/Users/faremax/go" GORACE="" GOROOT="/usr/local/Cellar/go/1.10.3/libexec" GOTMPDIR="" GOTOOLDIR="/usr/local/Cellar/go/1.10.3/libexec/pkg/tool/darwin_amd64" GCCGO="gccgo" CC="clang" CXX="clang++" CGO_ENABLED="1" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/f0/wl0qf7mn1131dc3brmbb3_d00000gn/T/go-build994213970=/tmp/go-build -gno-record-gcc-switches -fno-common" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/f0/wl0qf7mn1131dc3brmbb3_d00000gn/T/go-build994213970=/tmp/go-build -gno-record-gcc-switches -fno-common"
能够看到,配置生效,环境变量设置完成!编程语言