有没有办法通过 Spring MVC 在下拉列表中选择当前值<form:options>?
无需使用 if else
Example:
Student student = new Student();
student.gender = "F";
model.addObject("student", student);
Map<String, String> genders = new LinkedHashMap<String, String>();
genders.put("M", "Male");
genders.put("F", "Female");
model.addObject("genders", genders);
JSP Code
modelAttribute & commandName是可以互换的
<c:url value="/Student/Edit" var="editstudenturl"/>
<form:form method="post" action="${editstudenturl}" modelAttribute="student" class="form-horizontal">
<form:select path="gender" class="form-control" id="gender" >
<form:options items="${genders}" />
</form:select>
</form:form>
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