Struts工程

package com.ht.struts.form; import org.apache.struts.validator.ValidatorForm; //ValidatorForm extends ActionForm public class UserTableForm extends ValidatorForm { private String name; private String password; private int age; public int getAge() { System.out.println("is in getAge!!!!"); return age; } public void setAge(int age) { this.age = age; } public String getName() { System.out.println("is in getName!!!!"); return name; } public void setName(String name) { System.out.println("is in setName!!!!"); this.name = name; } public String getPassword() { System.out.println("is in getPassword!!!!"); return password; } public void setPassword(String password) { this.password = password; } //问:validate在什么情况下执行，什么时候执行??? ,是否继承了ValidatorForm 一定要重写此方法 //自动执行，提交表单后立即执行,不一定 // public ActionErrors validate( ActionMapping mapping, // HttpServletRequest request) // { // ActionErrors errors = new ActionErrors(); // System.out.println("in UserTableForm.validate() method"); // if( name == null || name.equals("") ) // { // errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.null","name")); // System.out.println("name == null || name.equals('')"); // } // else if( name.length() < 6 || name.length() >16 ) // { // errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.length","name")); // System.out.println( "name.length() < 6 || name.length() >16" ); // } // // if( password == null || password.equals("") ) // { // errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.null","password")); // System.out.println("password == null || password.equals('')"); // } // else if( password.length() < 6 || password.length() >16 ) // { // errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.length","password")); // System.out.println("password.length() < 6 || password.length() >16"); // } // // return errors; // // } /** * Method reset * @param mapping * @param request */ //什么时候调用reset()方法? 什么作用？ //加载xml时就调用一次 ， 提交表单时调用 /*public void reset(ActionMapping mapping, HttpServletRequest request) { System.out.println( "in UserTableForm.reset() " ); // TODO Auto-generated method stub }*/ }