Groovy&Grails-速查手册-Grails标签（Tags）

逻辑标签

标签名	描述
<g:if>	Logical switch based upon a test expression
<g:else>	The else portion of an if statement
<g:elseif>	The elseif portion of an if statement

迭代标签

标签名	描述
<g:while>	Executes a loop while a test condition is true
<g:each>	Iterates over a collection
<g:collect>	Iterates over a collection and transforms the results as defined in the expr parameter
<g:findAll>	Iterates over a collection where the elements match the GPath defined in the expr parameter
<g:grep>	Iterates over a collection where the elements match the filter defined in the expr parameter

分配标签

可以使用分配标签创建并赋值给一个变量

标签名	描述
<def> (deprecated)	Defines a variable to be used within the GSP page; use <set> instead
<set>	Sets the value of a variable used within the GSP page

链接标签

标签名	描述
<g:link>	Creates an HTML link using supplied parameters
<g:createLink>	Creates a link that you can use within other tags
<g:createLinkTo>	Creates a link to a directory or file

Ajax标签

标签名	描述
<g:remoteField>	Creates a text field that invokes a link when changed
<g:remoteFunction>	Creates a remote function that is called on a DOM event
<g:remoteLink>	Creates a link that calls a remote function
<g:formRemote>	Creates a form tag that executes an Ajax call to serialize the form elements
<g:javascript>	Includes JavaScript libraries and scripts
<g:submitToRemote>	Creates a button that executes an Ajax call to serialize the form elements

表单标签

标签名	描述
<g:actionSubmit>	Creates a submit button
<g:actionSubmitImage>	Creates a submit button using an image
<g:checkBox>	Creates a check box
<g:currencySelect>	Creates a select field containing currencies
<g:datePicker>	Creates a configurable date picker for the day, month, year, hour, minute, and second
<g:form>	Creates a form
<g:hiddenField>	Creates a hidden field
<g:localeSelect>	Creates a select field containing locales
<g:radio>	Creates a radio button
<g:radioGroup>	Creates a radio button group
<g:select>	Creates a select/combo box field
<g:textField>	Creates a text field
<g:textArea>	Creates a text area field
<g:timeZoneSelect>	Creates a select field containing time zones

UI标签

标签名	描述
<g:richTextEditor>	Creates a rich text editor, which defaults to fckeditor

渲染和布局标签

标签名	描述
<g:applyLayout>	Applies a layout to a body or template
<g:encodeAs>	Applies dynamic encoding to a block of HTML to bulk-encode the content
<g:formatDate>	Applies a SimpleDateFormat to a date
<g:formatNumber>	Applies a DecimalFormat to number
<g:layoutHead>	Displays a decorated page’s header, which is used in layouts
<g:layoutBody>	Displays a decorated page’s body, which is used in layouts
<g:layoutTitle>	Displays a decorated page’s title, which is used in layouts
<g:meta>	Displays application metadata properties
<g:render>	Displays a model using a template
<g:renderErrors>	Displays errors
<g:pageProperty>	Displays a property from a decorated page
<g:paginate>	Displays Next/Previous buttons and breadcrumbs for large results
<g:sortableColumn>	Displays a sortable table column

验证标签

标签名	描述
<g:eachError>	Iterates through errors
<g:hasErrors>	Checks if errors exist within the bean, model, or request
<g:message>	Displays a message
<g:fieldValue>	Displays the value of a field for a bean that has data binding