FreeMarker Tricks

2018-07-27

FreeMarker Tricks

How to split text by lines in FreeMarker

<#assign photos>
DSC_0005.jpg
DSC_0008.jpg
DSC_0013.jpg
DSC_0020.jpg
</#assign>
<#assign photos = photos?split('\\n', 'rmc') >

How to get random numbers in FreeMarker

<#assign nextRandom = .now?string["HHmmssSSS"]?number>
<#list posts[0..*MAX_POSTS] as posts>
    <img src="${photos[nextRandom % photos?size]}">
    <#assign nextRandom = nextRandom * 13 % 104729>
</#list>
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