if
目的 Purpose
The logical if tag to switch on an expression and/or current environment.
使用例 Examples
<g:if test="${name == 'fred'}"> Hello ${name}! </g:if><g:if env="development"> Dev mode - debug: $someDebug </g:if>
<g:if env="production" test="${cacheEnabled}"> $cache.getContent('1234') </g:if>
詳細 Description
属性
Attributes
test
- The expression to testenv
- An environment name
At least one of the attributes must be supplied. If both are supplied they are combined using AND.