Freemarker has some special usage methods, such as freemarker.

Freemarker has some special usage methods, such as freemarker.

Freemarker expressions are powerful, but they are complicated to use in some special cases, such as nesting. Here we will gradually accumulate some expressions for your use.

1. When struts2 is used, the static method of the execution class is defined as a variable, such:

<! -- Do not use the $ symbol or braces here -->

<# Assign testStr = stack. findValue ("@ com. test. MyTest @ getMyValue ('myparameters ')")/>

<! -- Enclose the expressions in parentheses.->

<# If (testStr? Length> = 5)>

<Span >$ {testStr? Substring (0, 5)} </span>

</# If>