學習如何包gem

這是一個新增Facebook讚與留言的功能 我們將他實作在 def social_plugin(plugin_name, options) width = options.delete(:width) height = options.delete(:height) style = "border:none; overflow:hidden; width:#{width}px; height:#{height}px;" src = "http://www.facebook.com/plugins/#{plugin_name}.php?#{options.to_param}" content_tag(:iframe, "", src: src, scrolling: "no", frameborder: "0", style: style, allowtransparency: "true") end def fb_like(like_url, custom_options={}) options = { href: like_url, send: false, layout: