This way user dont have to write setters and getters.No bean class is required for the Dyna Action Form and we will declare the form beans as Dyna Action Form type in A Dyna Validator Form has no associated Java class. If the validate is set to true, the Request Processor invokes the validate() method of the Dyna Validator Form instance.Its Java Beans properties are created by adding the name="required" classname="org.apache. If Validate fail the Request Processor looks for the input attribute and return to JSP page mentioned in input tag.You hook up the validator plugin by using a child of Action Form: the Validator Form.
In Struts, everybody knows the Action Form class (so I'm not gonna talk about it).
Struts Validator" method="validate Required" methodparams=" If Validate pass goto Action Class execute() method..
If Validate fail , In the browser (Emp Form.jsp) you can see. In the emp Form first Name and last Name are the required filed.
In this tutorial you will learn how to create Struts Dyna Validator Form. Http Servlet Request" msg="errors.required"/ Don't Enter first Name and last Name in the text box and submit the "Save" BUTTON.
A regular Action Form is developed in Java and declared in the struts_config. The Java Beans properties of a regular Action Form are created by first defining the instance variable and then adding a getter and setter for that instance variable. the Request Processor checks for the validateattribute in the Action Mapping.