Creating the Go language local document System

This is a created article in which the information may have evolved or changed.

For some reason, domestic users can not be very good access to golang.org, how to build a local and the same as the official website to the document system? On the internet it appears that a video-screen material, excerpt as follows:

Enter the command in the console interface: godoc-http=:80//80 can be replaced by any port that is not occupied.

Now open the browser input: http://localhost, the official website to help files in a moment to display in front of you. (Go should be up-to-date to the same version as the official website). If it is not port 80, you need to add the port number you set on the address.