菜单项属性

A menu entry has the following properties available that can be used in a menu template.

Menu Entry Variables

.Menu

string Name of the menu that contains this menu entry.

.URL

string URL that the menu entry points to. The url key, if set for the menu entry, sets this value. If that key is not set, and if the menu entry is set in a page front-matter, this value defaults to the page’s .RelPermalink.

.Page

*Page Reference to the page object associated with the menu entry. This will be non-nil if the menu entry is set via a page’s front-matter and not via the site config.

.Name

string Name of the menu entry. The name key, if set for the menu entry, sets this value. If that key is not set, and if the menu entry is set in a page front-matter, this value defaults to the page’s .LinkTitle.

.Identifier

string Value of the identifier key if set for the menu entry. This value must be unique for each menu entry. It is necessary to set a unique identifier manually if two or more menu entries have the same .Name.

.Pre

template.HTML Value of the pre key if set for the menu entry. This value typically contains a string representing HTML.

.Post

template.HTML Value of the post key if set for the menu entry. This value typically contains a string representing HTML.

.Weight

int Value of the weight key if set for the menu entry. If that key is not set, and if the menu entry is set in a page front-matter, this value defaults to the page’s .Weight.

.Parent

string Name (or Identifier if present) of this menu entry’s parent menu entry. The parent key, if set for the menu entry, sets this value. If this key is set, this menu entry nests under that parent entry, else it nests directly under the .Menu.

.Children

Menu This value is auto-populated by Hugo. It is a collection of children menu entries, if any, under the current menu entry.

Menu Entry Functions

Menus also have the following functions available:

.HasChildren

boolean Returns true if .Children is non-nil.

.KeyName

string Returns the .Identifier if present, else returns the .Name.

.IsEqual

boolean Returns true if the two compared menu entries represent the same menu entry.

.IsSameResource

boolean Returns true if the two compared menu entries have the same .URL.

.Title

string Link title, meant to be used in the title attribute of a menu entry’s <a>-tags. Returns the menu entry’s title key if set. Else, if the menu entry was created through a page’s front-matter, it returns the page’s .LinkTitle. Else, it just returns an empty string.

Other Menu-related Functions

Additionally, here are some relevant methods available to menus on a page:

.IsMenuCurrent

(menu string, menuEntry *MenuEntry ) boolean See .IsMenuCurrent method.

.HasMenuCurrent

(menu string, menuEntry *MenuEntry) boolean See .HasMenuCurrent method.