freemarker list empty
has_content is very much like ?? , except it also returns false for a 0-length string or empty FTL sequence (like java.util.List , Java array, etc.) or empty FTL hash ( ... ,跳到 Sequence slicing - Right-unbounded ranges before FreeMarker 2.3.21 were only used for slicing, and behaved like an empty sequence for other ...
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 freemarker list empty 相關參考資料
Built-ins for sequences - Apache FreeMarker Manual
List ending, defaults to "" (empty string): The value printed after the last value, if the list sequence wasn't empty. So this (where [] means an empty ... https://freemarker.apache.org Difference between ?? , has_content , if_exists in freemarker ...
has_content is very much like ?? , except it also returns false for a 0-length string or empty FTL sequence (like java.util.List , Java array, etc.) or empty FTL hash ( ... https://stackoverflow.com Expressions - Apache FreeMarker Manual
跳到 Sequence slicing - Right-unbounded ranges before FreeMarker 2.3.21 were only used for slicing, and behaved like an empty sequence for other ... https://freemarker.apache.org Freemarker - Check if list contains only empty Strings - Stack ...
But, you have to go through the whole list, at least as of FreeMarker 2.3.28. Write a function for it: <#function containsNonEmpty ls> <#list ls as ... https://stackoverflow.com freemarker templates check if sequence is empty - Stack ...
Try: <#if node.attachments?size != 0>. Or: <#if node.attachments?has_content>. https://stackoverflow.com How to check for null List in freemarker - Stack Overflow
<#if listS??> <#list listS.stuff as stuff> $stuff.value} ... do something per element --> </#list>. If the list is null or empty the result wil be empty. https://stackoverflow.com How to check, that array has size > 1 in Apache FreeMarker ...
You can write <#if dogNames?size gt 1> . (See https://freemarker.apache.org/docs/dgui_template_exp.html#dgui_template_exp_comparison). https://stackoverflow.com list, else, items, sep, break, continue - Apache FreeMarker ...
If there are 0 items, the above won't print anything, thus you don't end up with an empty <ul></ul> . That is, when the list directive has no as item ... https://freemarker.apache.org non-empty list test - freemarker-user
non-empty list test. Hi, quite stupid question for such long time freemarker user :-) What is the best way to find out whether potentionally missing ... http://freemarker.624813.n4.na Seldom used and expert built-ins - Apache FreeMarker Manual
跳到 sequence - The following are empty: a string with 0 length, a markup output value with 0 length markup, a sequence or hash with no sub variables, a ... https://freemarker.apache.org |