(Quick Reference)
link
Purpose
Creates an html anchor tag with the
href set based on the parameters specified.
Examples
Example controller for an application called "shop":
class BookController {
def list = { [ books: Book.list( params ) ] }
def show = { [ book : Book.get( params['id'] ) ] }
}Example usages for above controller:
<g:link action="show" id="1">Book 1</g:link>
<g:link action="show" id="${currentBook.id}">${currentBook.name}</g:link>
<g:link controller="book">Book Home</g:link>
<g:link controller="book" action="list">Book List</g:link>
<g:link url="[action:'list',controller:'book']">Book List</g:link>
<g:link action="list" params="[sort:'title',order:'asc',author:currentBook.author]">
Book List
</g:link>
<g:link controller="book" absolute="true">Book Home</g:link>
<g:link controller="book" base="http://admin.mygreatsite.com">Book Home</g:link>
Example as a method call in GSP only:
<%= link(action:'list',controller:'book') { 'Book List' }%>
Results in:
<a href="/shop/book/list">Book List</a>
Description
Attributes
action (optional) - the name of the action to use in the link, if not specified the default action will be linked
controller (optional) - the name of the controller to use in the link, if not specified the current controller will be linked
elementId (optional) - this value will be used to populate the id attribute of the generated href
id (optional) - the id to use in the link
fragment (optional) - The link fragment (often called anchor tag) to use
mapping (optional) - The named URL mapping to use to rewrite the link
params (optional) - a map containing request parameters
url (optional) - a map containing the action, controller, id etc.
absolute (optional) - If set to "true" will prefix the link target address with the value of the grails.serverURL property from Config, or http://localhost:<port> if no value in Config and not running in production.
base (optional) - Sets the prefix to be added to the link target address, typically an absolute server URL. This overrides the behaviour of the absolute property, if both are specified.
Source