join
目的 Purpose
Uses the Groovy JDK join method to concatenate the toString() representation of each item in this collection with the given separator.使用例 Examples
<g:join in="['Grails', 'Groovy', 'Gradle']" delimiter="_"/>Grails_Groovy_Gradle
詳細 Description
属性 Attributes
in- The collection to iterate overdelimiter(optional) - The value of the delimiter to use during the join. If no delimiter is specified then ", " (a comma followed by a space) will be used