(Quick Reference)
link
Purpose
Creates an html anchor tag with the
href set based on the specified parameters.
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 controller="book" action="list" plugin="publishingUtils">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" namespace="publishing">Publishing Book Home</g:link><g:link controller="book" base="http://admin.mygreatsite.com">Book Home</g:link>Example Usage for a RESTful Resource:
static mappings = {
"/books"(resources: 'book')
}<g:link resource="book">Book Home</g:link>
<g:link resource="book" id="${book.id}">Book Show</g:link>
<g:link resource="book" action="create">New Book</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
resource (optional) - the name of the resource url mapping to use in the link; if not specified controller should be used
namespace (optional) - the namespace of the controller to use in the link
plugin (optional) - the name of the plugin which provides the controller
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 of request parameters
uri (optional) - a relative URI
relativeUri (optional) - Used to specify a uri relative to the current path.
url (optional) - a Map containing the action, controller, id etc.
absolute (optional) - If true will prefix the link target address with the value of the grails.serverURL property from application.groovy, or http://localhost:<port> if there is no setting in application.groovy 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.
event (optional) - The name of a Webflow event to trigger for the flow associated with the given action. Requires the Webflow plugin.
Source