Struts1.2-LazyValidateForm的使用-示例1 - zhoche2008的博客

作者在 2006-12-12 08:28:00 发布以下内容

//UserAction.java

package web.struts.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.apache.commons.beanutils.DynaBean;
public class UserAction extends DispatchAction {
public ActionForward login(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response) {
  DynaBean vform=(DynaBean)form;
  String username = (String) vform.get("username");
  String password = (String) vform.get("password");
  request.setAttribute("username",username);
  request.setAttribute("password",password);
  return mapping.findForward("result");
}
}

//MyLazyValidateForm.java

package web.struts.forms;

import org.apache.struts.validator.LazyValidatorForm;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
public class MyLazyValidateForm extends LazyValidatorForm {
//重写父类的validate方法只有method方法值为save时才调用父类的validate方法
public ActionErrors validate(ActionMapping mapping,HttpServletRequest request){
  String method = request.getParameter("method");
  if(method.equals("login")){
   return super.validate(mapping,request);
  }
  return null;
}
}
//com.yourcompany.struts.ApplicationResources'

# Resources for parameter 'com.yourcompany.struts.ApplicationResources'
# Project P/Feitian
userForm.username=username
userForm.password=password
errors.required={0} \u4e0d\u80fd\u4e3a\u7a7a.
errors.maxlength={0} \u957f\u5ea6\u4e0d\u80fd\u5927\u4e8e{1}\u4e2a\u5b57\u7b26.

//index.jsp

<%@ page language="java" pageEncoding="utf-8"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles"%>
<html:html lang="true">
<head>
</head>

<body>

   <tr>
    <td>
     <div