stuts2 list of how do you add a checkbox to achieve after the delete button ---- rookie job , although it saw some solution, but did not understand -

Plan List
serial number		Plan Name	program content	scheduled time	plan registrant
$ {status.count}		$ {superplan.planName}	$ {superplan.planConten}	$ {superplan.time}	$ {superplan.userId}	$ {superplan.planId}