struts 中 使用下拉列表框

1. In action, call dao or other helper method to retrieve data for dropdown list
2. put the data (list/collection/array) to request or formbean property
3. • request.setAttribute("cityList", cityHelper.getAllCityLabelValueBean());
   • cityListProperty = cityHelper.getAllCityLabelValueBean();
4. In JSP
5. • for request

<html:form action="xxx">

<html:select property="city">

<html:optionsCollection name="dpList" label="label" value="value"/>

OR

<html:options collection="dpList" labelProperty="label" property="value"/>

</html:select>

</html:form>

</html:form>

1. • for property of formbean

<html:form action="xxx">

<html:select property="city">

<html:optionsCollection property="cityListProperty" label="label" value="value"/>

</html:select>

</html:form>