In this tutorial, you will see the use of optgroup tag of struts2.2.1. The optgroup tag is a generic Form_UI tag that creates an optgroup component which needs to reside within a select tag <s:select>.
Directory structure of optgroup tag example.1- index.jsp
<html>ADS_TO_REPLACE_1 <head><title>StrutsOptGroup_Tag_Example</title></head> <body> <h1>StrutsOptGroup_Tag_Example</h1><hr>ADS_TO_REPLACE_2 <a href="OptGroupAction.action">OptGroupAction</a> </body> </html> |
2-optGroupJsp.jsp ADS_TO_REPLACE_3
<%@ taglib prefix="s" uri="/struts-tags"%> <html> <head><title>StrutsOptGroup_Tag_Example</title></head>ADS_TO_REPLACE_4 <body><h1>StrutsOptGroup_Tag_Example</h1><hr> <s:form action="ResultOptGroup.action"> <s:select label="Select City"ADS_TO_REPLACE_5 name="Cites" list="nameofCity"> <s:optgroup label="City_of_UP"ADS_TO_REPLACE_6 list=" upCitiesName" /> <s:optgroup label="City_Of_UttraKhand" list="%{#{'Rudrapur':'Rudrapur','RamNagar':'RamNagar','Doon':'Doon'}}" />ADS_TO_REPLACE_7 </s:select><s:submit></s:submit> </s:form> </body>ADS_TO_REPLACE_8 </html> |
3->OptGroupAction.java
package roseindia.action; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import com.opensymphony.xwork2.ActionSupport; public class OptGroupAction extends ActionSupport { private List<String> nameofCity; private Map<String,String> upCitiesName; private String Cites; public List<String> getNameofCity() { return nameofCity; } public void setNameofCity(List<String> nameofCity) { this.nameofCity = nameofCity; } public Map<String, String> getUpCitiesName() { return upCitiesName; } public void setUpCitiesName(Map<String, String> upCitiesName) { this.upCitiesName = upCitiesName; } public String getCites() { return Cites; } public void setCites(String cites) { Cites = cites; } public OptGroupAction() { nameofCity=new ArrayList<String>(); nameofCity.add("Mumbai"); nameofCity.add("Bengaluru"); nameofCity.add("Indore"); nameofCity.add("Delhi"); upCitiesName=new HashMap<String, String>(); upCitiesName.put("Lucknow", "Lucknow"); upCitiesName.put("Bareilly","Bareilly"); upCitiesName.put("Allahabad","Allahabad"); upCitiesName.put("Rampur","Rampur"); } public String execute() { return SUCCESS;} } |
4_struts.xml
<struts> <constant name="struts.enable.DynamicMethodInvocation" value="false" /> <constant name="struts.devMode" value="false" />ADS_TO_REPLACE_9 <package name="roseindia" extends="struts-default" namespace="/"> <action name="OptGroupAction" class="roseindia.action.OptGroupAction"> <result >/optGroupJsp.jsp</result> </action>ADS_TO_REPLACE_10 <action name="ResultOptGroup" class="roseindia.action.OptGroupAction"> <result name="success" >/selectedValue.jsp</result> </action></package>ADS_TO_REPLACE_11 </struts> |
5_WelcomePage.jsp
<%@ taglib prefix="s" uri="/struts-tags"%><html> <head><title>StrutsOptGroup_Tag_Example</title> </head>ADS_TO_REPLACE_12 <body><h1>StrutsOptGroup_Tag_Example</h1><hr> Selected city : <s:property value="Cites"/> </body></html> |
indexJsp.gifADS_TO_REPLACE_13
OptionGroupt.gif
ADS_TO_REPLACE_14
SelectOption.gif
SelecteValue.gifADS_TO_REPLACE_15
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