model-driven | 易学教程

The sequence of ModelDriven and Prepare?

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问题 I put the println() in each method of Action class. public String execute() throws Exception { System.out.println("execute"); //... } public void prepare() throws Exception { System.out.println("prepare"); //... } public Object getModel() { System.out.print("getModel"); //... } I thought the order would be; prepare → execute → getModel. Because I remember I read it in the book, so I used to construct beans class and do some logics in prepare() , and just return SUCCESS in execute() . And I

how to display actionerror messages beside the field in struts while using xml validation

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问题 here's what i did i have created a jsp page cardholder <%@ page contentType="text/html; charset=UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE HTML> <% String client = (String) request.getAttribute("clientId"); %> <html> <head> <style type="text/css"> h3 { font-family: Calibri; font-size: 22pt; font-style: normal; font-weight: bold; color: SlateBlue; text-align: center; text-decoration: underline } table { font-family: Calibri; color: white; font-size: 11pt; font-style: normal;

How to perform XML Validation when using ModelDriven?

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问题 I've created a Struts2 project in which I used XML based validation. Model class RegistrationForm is shown below package com.projects; import com.opensymphony.xwork2.ActionSupport; public class RegistrationForm implements Serializable{ private static final long serialVersionUID = 1L; private String fname; private String lname; private int numbr; public int getNumbr() { return numbr; } public void setNumbr(int numbr) { this.numbr = numbr; } public String getFname() { return fname; } public

ModelDriven on struts 2

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问题 I am developing a project using hibernate, struts2 and spring, but my problems are with struts. I have created 3 classes extending ActionSupport and are implementing modeldriven for the same class in all of them. I have implemented some methods to be executed when the actions are called. The structure for the classes is like (Class1Action.java): public class Class1Action extends ActionSupport implements ModelDriven<ModelDrivenClass> { private ModelDrivenClass modelDrivenClass; // getter and

Struts 2 : Unable to access Model properties in JSP

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问题 I have problem with accessing Model properties (ProcessSolution) in my JSP , I'm not getting what is wrong with my following codes : This is my model Class ProcessSolution.java package POJO; import java.util.Arrays; public class ProcessSolution { private long processId; private String processName; private String processSolutionSteps []; private String processRemark; private String processNote; public ProcessSolution() { // TODO Auto-generated constructor stub } public ProcessSolution(long

How to set the id value for Student in delete()? [closed]

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问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago . I want to initialize Student 's id in delete action StudentAction.java: public class StudentAction extends ActionSupport implements ModelDriven { private List studentList; Student student; StudentDAO sdo = new StudentDAO(); public String delete() { System.out.println("delete action"); System.out

How to set refreshModelBeforeResult in ModelDriven interceptor?

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问题 I am planning to use refreshModelBeforeResult as suggested in Struts2 Documentation, however I am confused whether this property can be set in Action class or struts.xml . Is there is anything apart from what I have tried below <action name="myAction" class="com.stuff.MyActionClass" method="myMethod"> <result name="myHome" type="tiles">MyHome</result> <interceptor-ref name="basicStack" /> <interceptor-ref name="params"/> <interceptor-ref name="modelDriven"> <param name=

Struts 2/ Foundation 5 - ModelDriven class and File upload

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问题 I am new to Java programming and I am trying to create a basic webpage with form etc for placing an order. I decided to use Struts 2 after attending a couple of sessions at work. I also used zurb Foundation 5 for responsive UI. I was able to create a HTML webpage and a form with text fields etc and on the submission of the form, emails are sent to the customer and site owner with the form data. I am now trying to add the file upload functionality to the form. The issue I am facing is that the

ModelDriven stopped working in Struts2

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问题 I have used ModelDriven in my Action class, previously it was working fine, Now it has stopped working when I used <s:debug> tag of Struts in my jsp I found following result... ---------Updated Image----------- I'm accessing values in my jsp page as : <s:property value="categoryName"/> <s:property value="categoryId"/> // I typed here working fine, If I accessed them as : <s:property value="category.categoryName"/> <s:property value="category.categoryId"/> My questions are : Why I'm getting

Struts 2 Model driven negative integer

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问题 How to assign a negative number (-123 or -123.00) to a ModelDriven bean (implements ModelDriven< Bean >). When i try passing the value through request for that action it throws below exception Fri Aug 10 18:45:27 IST 2012 unable to convert value using type converter [com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter] Overflow or underflow casting: "-123.12" into class java.lang.Double - [unknown location] at com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter