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How to check the variables i hv on JSP page from custom interceptor / action in struts2?

tommy tan
Greenhorn

Joined: Nov 30, 2011
Posts: 1
Hi,

is there any way that i can get the variables' name that display on JSP page from action/interceptor in struts2?

I was able to get a set of variable name using the code below:



However, it only print out those variable that has value in screen. For those variable that has no value, e.g. unchecked checkbox, is not printed out.

 
It is sorta covered in the JavaRanch Style Guide.
 
subject: How to check the variables i hv on JSP page from custom interceptor / action in struts2?