f - Format

<f>

For formatting output

Introduce

Output the tag content with the specified format.

Attribute

partten（required）
Format a string using the specified format string and arguments
Reference Java method String.format(String fmt, Object... args)

values（optional）
The specified parameters, multiple parameters can be filled, 
each with "," separated

valueScope（optional）
The scope of the variable

property
context:Get variable from context(default)
session:Get variable from session

Other

There are 2 formats for this label
1.<f parrten="" values=""/>

e.g.
<f var="s" set value="'Hello Jmr!'"/>
<f partten="Demo: %s" values="s"/>
-->Demo: Hello Jmr!

2.<f parrten=""></f>

e.g.
<f var="s" set value="'Hello Jmr!'"/>
<f partten="Demo: %s"><get value="s"/></f>
-->Demo: Hello Jmr!

Examples

Please refer：String.format(String fmt, Object... args)
String fmt     -->   parrten = ""
Object... args -->   values = ""
%[index$][flags]*[width][.precision]conversion

Example 1

Example 2

Please open the generated file outside the eclipse, 
eclipse due to the font size problem, 
the display content may not be aligned.