Spring MVC one input field form

Question

what is the best way in Spring MVC to send to server only one field in form? I need to send select box value, but also I want the select-box to be pre-filled with right value.

Normally I would have some form backing object, and bind him to form, but when I have only one field to send, I don´t need any form backing object. But than I connot use form:form and form:select for binding becouse it requires field in form backing object to be specified.

Thanks.

jelies · Accepted Answer · 2012-07-31 08:07:45Z

15

In your jsp/view, use a classic html <form/> and <select/>:

<form id="form" method="POST">
    <select id="selected" name="selected">
        <option value="1">First value</option>
        <option value="2">Second value</option>
    </select>
</form>

In your controller, this method will get the selected value when form submit is done:

@RequestMapping(method=RequestMethod.POST)
public String submitForm(@RequestParam String selected) {
    // your code here!
    return "nextView";
}

To prefill the select-box, you have to pass the value manually from controller to view, and finally select it with JSTL (or whatever you are using) / javascript.

edited Jul 31, 2012 at 8:07

answered Jul 31, 2012 at 7:37

jelies

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1 Comment

UTF_or_Death Over a year ago

If CSFR protection is enabled in your context you need to include <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/> in the form - the Spring form tag adds this automatically

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