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アクションステートを使用しますか? ラジオボタンに基づいてドロップダウン値をロードする

ユーザーがラジオ ボタンをクリックすることに基づいてドロップダウンの値を読み込もうとしていますが、これがアクション状態で実行できるかどうかはわかりません。

これが私が考えていたことです。

私のフローには次のものがあります。

<view-state id="SchoolVisitReport" view="SchoolVisitReport.jsp" model="visit">
            <transition on="submit" to="addVisit">
                <evaluate expression="flowActions.validateVisit(visit, messageContext)"/>
            </transition>
            <transition on="cancel" to="endState" bind="false"/>
            <transition on="loadSchools" to="loadSchools" bind="false"/>
</view-state>

<action-state id="loadSchools">
        <evaluate expression="flowActions.initializeSelectableStates()"  result="flowScope.selectableStates" />
</action-state>

そして私のコントローラはこのようなものを持っています

public Map<String, String> initializeSelectableStates(Visit visit) {
        LOGGER.debug("inside initializeSelectableStats");

        LinkedHashMap<String, String> selectableStates = new LinkedHashMap<String, String>();

        selectableStates.put("NY", "NY");
        selectableStates.put("Nj", "Nj");
        return selectableStates;
    }

しかし、これはうまくいきません..誰かが私を助けてくれますか

4

2 に答える 2

1

次のJSPコードを実行してください...動作します..

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head>
<title>Spring 3.0 MVC - Web Flow Example</title>

<script type="text/javascript"
    src="<c:url value="/resources/dojo/dojo.js" />">

</script>
<script type="text/javascript"
    src="<c:url value="/resources/spring/Spring.js" />">

</script>
<script type="text/javascript"
    src="<c:url value="/resources/spring/Spring-Dojo.js" />">

</script>

<link type="text/css" rel="stylesheet"
    href="<c:url value="/resources/dijit/themes/tundra/tundra.css" />" />
</head>
<body>
    <h2>Customer Registration</h2>

    <form:form commandName="customer" id="customer">
        <input type="hidden" name="_flowExecutionKey"
            value="${flowExecutionKey}" />
        <table>
            <tr>
                <td><font color=red><form:errors path="name" /></font><b>Name:
                </b></td>
                <td><form:input path="name" id="name" /> <script
                        type="text/javascript">
                    Spring
                            .addDecoration(new Spring.ElementDecoration(
                                    {
                                        elementId : "name",
                                        widgetType : "dijit.form.ValidationTextBox",
                                        widgetAttrs : {
                                            promptMessage : "This is the name you would like entered into the system."
                                        }
                                    }));
                </script> <br />
                    <p></td>
            </tr>
            <tr>
                <td><font color=red><form:errors path="phoneNumber" /></font>

                    <b>Phone number: </b></td>
                <td><form:input path="phoneNumber" id="phoneNumber" /><br />
                    <script type="text/javascript">
                        Spring
                                .addDecoration(new Spring.ElementDecoration(
                                        {
                                            elementId : "phoneNumber",
                                            widgetType : "dijit.form.ValidationTextBox",
                                            widgetAttrs : {
                                                promptMessage : "This is the phone number for the above name"
                                            }
                                        }));
                    </script></td>
            </tr>
            <tr>
                <td></td>
            </tr>
            <tr>
                <td><b>Row:</b></td>
                <td><form:radiobutton value="B" path="row" id="rowBtnA" />Row: B<BR>
                    <form:radiobutton value="A" path="row" id="rowBtnB" />Row: A<BR>
                    <script type="text/javascript">
            Spring.addDecoration(new Spring.AjaxEventDecoration({
                elementId: "rowBtnA",
                event: "onchange",
                formId:"customer",
                params: {fragments:"body", _eventId: "proceed"}
            }));
        </script>

        <script type="text/javascript">
            Spring.addDecoration(new Spring.AjaxEventDecoration({
                elementId: "rowBtnB",
                event: "onchange",
                formId:"customer",
                params: {fragments:"body", _eventId: "proceed"}
            }));
        </script>

        </td>
            </tr>
            <tr>
            <td>Year of Birth:</td>
            <td>
            <form:select path="byear">
            <form:option value="2012" label="2012" />
            <form:option value="2011" label="2011" />
            <form:option value="2010" label="2010" />
            </form:select>

        <script type="text/javascript">
            Spring.addDecoration(new Spring.AjaxEventDecoration({
                elementId: "byear",
                event: "onchange",
                formId:"customer",
                params: {fragments:"body", _eventId: "proceed"}
            }));
        </script>
        </td></tr>

        </table>
        <input type="submit" name="_eventId_proceed" value="proceed"
            id="proceed" />
            <input type="submit" name="_eventId_cancel" value="Cancel" />
    </form:form>

</body>
</html>
于 2012-09-05T18:33:55.877 に答える
0

これはどうですか？更新された情報でページをリロードします

<view-state id="SchoolVisitReport" view="SchoolVisitReport.jsp" model="visit">
                <transition on="submit" to="addVisit">
                    <evaluate expression="flowActions.validateVisit(visit, messageContext)"/>
                </transition>
                <transition on="cancel" to="endState" bind="false"/>
                <transition on="loadSchools" to="SchoolVisitReport" validate="false" bind="false">
                     <evaluate expression="flowActions.initializeSelectableStates()"  result="flowScope.selectableStates" />
                </transition>
    </view-state>
于 2012-09-04T19:50:04.867 に答える