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Spring MVC Multiple ModelAttribute On the Same Form

Asked 2012-11-05T23:57:38.503
29

I have a form with two ModelAttributes one is citizens and the other is punishment. The two objects are separated by jquery tabs. I am having problems in getting the items on the form to display properly some are being displayed and some are not. I mean the html elements.

I am not sure how the Controller would look when there is multiple ModleAttributes on the page. Under is a sample of the code:

Page

<title>Citizen Registration</title>

    </head>

    <body>  
        <div id="tabs"> 

        <ul>
            <li><a href="#tab1">Citizen Registration</a></li>
            <li><a href="#tab2">Punishment</a></li>
        </ul>


        <div id="tab1">
            <form:form id="citizenRegistration" name ="citizenRegistration" method="post" modelAttribute="citizens" action="citizen_registration.htm">
                <div id="divRight" class="mainDiv">             
                    <div class="divGroup" id="divCharInfo"> 
                    <fieldset>  
                    <legend>Characteristics Info</legend>
                            <ol>    
                                <li><form:label for="photo" path="photo">Select Photo</form:label>
                                    <form:input path="photo" type="file" id="photo" title="Upload a photo"/><form:errors path="photo" id="errors"/></li>

                                <li>
                                    <label>Select Gender</label>
                                    <form:select path="genderId" id="genderId" title="Select Your Gender">
                                    <form:options items = "${gender.genderList}" itemValue="genderId" itemLabel="genderDesc" />
                                    </form:select>
java html spring-mvc modelattribute
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1 Answer

32

I don't think so if you can bind multiple models using the Spring form. In fact you should take a look in the spring binding form. http://static.springsource.org/spring/docs/1.1.5/taglib/tag/BindTag.html Take a look in the sample code. I have not tested the code. Let know in case of any issues.

Model

public class User{

private String username;
private String password;

..Setter and Getters
}

public class UserProfile{
private String firstName;
private String lastName;

setter and getter
}

Controller

@Controller
public class MyController{
    @RequestMapping(....)
    public String newAccountForm(ModelMap map){
        User user = new User(); //Would recommend using spring container to create objects
        UserProfile profile = new UserProfile();

        map.addAttribute('user', user);
        map.addAttribute('profile', profile);

        return "form"
    }




     @RequestMapping(....)
        public String newAccountForm(@ModelAttrbite('User')User user, BindingResult resultUser, @ModelAttribute('UserProfile')UserProfile userProfile, BindingResult resultProfile){

//Check the binding result for each model. If not valid return the form page again
//Further processing as required.

        }
    }

JSP

<%@taglib  uri="http://www.springframework.org/tags" prefix="spring">

<form action="" method="post">

<spring:bind path="user.username">
   <input type="text" name="${status.expression}" value="${status.value}"><br />
        </spring:bind>

<spring:bind path="user.password">
   <input type="password" name="${status.expression}" value="${status.value}"><br />
        </spring:bind>

<spring:bind path="profile.firstName">
   <input type="text" name="${status.expression}" value="${status.value}"&
answered 2012-11-06T00:02:53.047

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