如何使 Spring 和 Dojo 需要我的下拉菜单（表单：选择）？我正在使用 Dojo 开发一个 Spring 项目，以使我的页面看起来不错。我有输入字段，但现在我的一个页面上有一个下拉列表。如何使下拉菜单像我的 dojo 输入一样，以及如何使其成为必需项。请看下面的代码...
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<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/claro/claro.css" />" />
<script type="dojo/method" data-dojo-event="onSubmit">
if(this.validate()){
return confirm('Form is valid, press OK to submit');
}else{
alert('Form contains invalid data. Please correct first');
return false;
}
return true;
</script>
<html>
<head>
<title>Spring 3.0 MVC - Web Flow Example</title>
</head>
<body class="claro">
<h2>Customer Registration</h2>
<form:form commandName="customer">
<input type="hidden" name="_flowExecutionKey"
value="${flowExecutionKey}" />
<div id="container">
<table>
<tr>
<td><b>Active</n></td>
<td><form:radiobutton tabIndex="1" value="A" path="type"
id="A" /></td>
</tr>
<tr>
<td><b>Retired</b></td>
<td><form:radiobutton tabIndex="2" value="R" path="type"
id="R" /> <script type="text/javascript">
Spring
.addDecoration(new Spring.ElementDecoration(
{
elementId : 'A',
widgetType : "dijit.form.RadioButton",
widgetAttrs : {
value : "A",
required : true
}
}));
Spring
.addDecoration(new Spring.ElementDecoration(
{
elementId : 'R',
widgetType : "dijit.form.RadioButton",
widgetAttrs : {
value : "R",
required : true
}
}));
</script></td>
</tr>
<tr>
<td><font color=red><form:errors path="sex" /></font><b>Sex:
</b></td>
<td><form:select path="sex">
<option value="MALE">MALE</option>
<option value="FEMALE">FEMALE</option>
</form:select> <script type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "name",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter Name",
required : true
}
}));
</script> <br />
<p></td>
</tr>
<tr>
<td><font color=red><form:errors path="name" /></font><b>Name:
</b></td>
<td><form:input path="name" class="value" /> <script
type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "name",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter Name",
required : true
}
}));
</script> <br />
<p></td>
</tr>
<tr>
<td><font color=red><form:errors path="phoneNumber" /></font>
<b>Phone number: </b></td>
<td>
<div class="span-7 last">
<form:input path="phoneNumber" />
</div> <script type="text/javascript">
Spring
.addDecoration(new Spring.ElementDecoration(
{
elementId : "phoneNumber",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
required : true,
invalidMessage : "A 16-digit credit card number is required.",
regExp : "[0-9]{16}"
}
}));
</script> <br />
</td>
</tr>
<tr>
<td><font color=red><form:errors path="address" /></font> <b>Address:
</b></td>
<td><form:input path="address" /> <script
type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "address",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter Address",
required : true
}
}));
</script> <br /></td>
</tr>
<tr>
<td><font color=red><form:errors path="city" /></font> <b>City:
</b></td>
<td><form:input path="city" /> <script type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "city",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter City",
required : true
}
}));
</script> <br /></td>
</tr>
<tr>
<td><font color=red><form:errors path="state" /></font> <b>State:
</b></td>
<td><form:input path="state" /> <script
type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "state",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter State",
required : true
}
}));
</script> <br /></td>
</tr>
<tr>
<td><font color=red><form:errors path="zipCode" /></font> <b>Zip
Code: </b></td>
<td><form:input path="zipCode" /> <script
type="text/javascript">
Spring.addDecoration(new Spring.ElementDecoration({
elementId : "zipCode",
widgetType : "dijit.form.ValidationTextBox",
widgetAttrs : {
promptMessage : "Enter Zip Code",
required : true
}
}));
</script> <br /></td>
</tr>
</table>
</div>
<input type="submit" name="_eventId_submit" id="submit" value="Submit" />
<input type="submit" name="_eventId_cancel" value="Cancel" />
<script type="text/javascript">
Spring.addDecoration(new Spring.ValidateAllDecoration({
elementId : 'submit',
event : 'onclick'
}));
</script>
</form:form>
</body>
</html>