如何设置go环境变量GOPATH？

如何设置go环境变量GOPATH？git 安装 gin-gonic/gin 报错: cannot download, $GOPATH not set. For more details see: go help gopathgithub $ go get -u github.com/gin-gonic/gin package github.com/gin-gonic/gin: cannot

>>阅读原文<<