I have a form in jsp. There are two submit buttons: "Search" and "Add New" button. I had set each button with their own method attribute.
<s:form name="searchForm" action="employeeAction" method="post">
<s:textfield name="id" label="Employee ID"/>
<s:textfield name="name" label="Employee Name"/>
<s:submit value="Search" method="doSearch"/>
<s:submit value="Add New" method="doAddNew"/>
</s:form>
In struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="true" />
<package name="default" namespace="/" extends="struts-default">
<default-action-ref name="index" />
<global-results>
<result name="error">/error.jsp</result>
</global-results>
<global-exception-mappings>
<exception-mapping exception="java.lang.Exception" result="error"/>
</global-exception-mappings>
</package>
<package name="example" namespace="/example" extends="default">
<action name="employeeAction" class="example.EmployeeAction">
<result name="search">/example/search.jsp</result>
<result name="add">/example/add.jsp</result>
</action>
</package>
</struts>
In EmployeeAction class
public class EmployeeAction extends ActionSupport {
private static final Logger logger = Logger.getLogger(EmployeeAction.class);
@Override
public String execute() throws Exception {
logger.info("Calling execute!");
return SUCCESS;
}
public String doSearch() throws Exception {
logger.info("Calling doSearch!");
return "search";
}
public String doAddNew() throws Exception {
logger.info("Calling doAddNew!");
return "add";
}
}
The problem is when I clicked "Search" or "Add New" button, the method doSearch() or doAddNew() was never called, instead it called method execute() . What is wrong with my code above?
I'm using struts v2.3.
Set
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
to
<constant name="struts.enable.DynamicMethodInvocation" value="true" />
Another way is to define multiple mappings for the same Action, like
in JSP:
<s:submit value="Search" action="employeeSearchAction" />
<s:submit value="Add New" action="employeeAddNewAction"/>
in Struts.xml
<action name="employeeSearchAction" class="example.EmployeeAction" method="doSearch">
<result>/example/search.jsp</result>
</action>
<action name="employeeAddNewAction" class="example.EmployeeAction" method="doAddNew">
<result>/example/add.jsp</result>
</action>
A third way is to use Wildcard Mappings .
PS: If you go for the second one, I'll suggest, as a best practice, to use one Action for every logical action you have to perform...
If you have common data loaded / managed by both your actions, "search" and "addNew", then you can define a employeeBaseAction, extended by both employeeSearchAction and employeeAddNewAction.
It's 2014 now, and DMI usage is unanimously discouraged (today more than ever), other than pretty useless, so I strongly suggest you to use solution n.2.
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