unrecognized import path "golang.org/x/net/html"

go run的时候报：unrecognized import path "golang.org/x/net/html"

应该是被墙掉了，自己去github上下载包即可

 git clone  https://github.com/golang/net

然后把net中的文件，copy到 %gopath%/src/golang.org/x/net目录