How to add a Ribbon menu in SharePoint 2013

Today, we try to add SharePoint2013 's ribbon menu, which is implemented by XML definition, JavaScript script, basically similar to: Feature added functionality. Let's take a look at the implementation of the following:

1, new empty project, used to add our ribbon, the following figure;

2, the designated debugging site and security level, I choose the field solution, there is a need to try the sandbox, the following figure;

3, add an empty element, named "CustomerRibbon", the following figure;