[golang]关于golang.org/x包问题
由于谷歌被墙,跟谷歌相关的模块无法通过go get来下载,手动下载:
git clone https://github.com/golang/net.git $GOROOT/src/golang.org/x/net git clone https://github.com/golang/sys.git $GOROOT/src/golang.org/x/sys
git clone https://github.com/golang/tools.git $GOROOT/src/golang.org/x/tools