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From Maurizio Cucchiara <maurizio.cucchi...@gmail.com>
Subject Re: binding paramters in struts2 without the form
Date Mon, 29 Nov 2010 14:48:57 GMT
If you don't want dot notation, I should consider using ModelDriven
interface. Take a look at
http://struts.apache.org/2.2.1/struts2-core/apidocs/com/opensymphony/xwork2/ModelDriven.html

2010/11/29 maven apache <apachemaven0@gmail.com>:

> Maurizio Cucchiara's answer seems like a good idea excepting I have add the
> personbean.name=xxx. (The personBean is required)
>
> I do not want to use the ParameterAware,I want to use a object save some
> default value of some parameters rather than  the map.
>
> Also,if using the parameterAware,why not using the
> ActionContext.getcontext().getParameters() instead?
>
>
>
>>
>> Jason
>>
>> On Mon, Nov 29, 2010 at 5:25 AM, maven apache <apachemaven0@gmail.com
>> >wrote:
>>
>> > 2010/11/29 Maurizio Cucchiara <maurizio.cucchiara@gmail.com>
>> >
>> > > Frankly, even after I watched your question on stackoverflow, I can't
>> > > figure out what you meant.
>> > >
>> > :(
>> >
>> > > You don't necessary need struts tag, you can pass parameter via http
>> > > request, so, for example, if you enter
>> > > http://your_url:your_port
>> > > /your_struts.action?personBean.firstName=your_name
>> > >  in the address bar
>> > >
>> > Thanks.
>> >
>> > I use the http://xxx.action?firstName=name. So it does not work.
>> >
>> >
>> > http://your_url:your_port
>> > /your_struts.action?personBean.firstName=your_name
>> >
>> > I do not know the parameter can be sent this way!!!
>> > Thanks.
>> >
>> >
>> > > struts will try to inject value inside your bean.
>> > >
>> > > Does this answer your question?
>> > >
>> > > 2010/11/29 maven apache <apachemaven0@gmail.com>:
>> > > > BTW,this is a cross post at
>> > > > stackoverflow<
>> > >
>> >
>> http://stackoverflow.com/questions/4300409/binding-paramters-in-struts2-without-the-form
>> > > >
>> > > > .
>> > > >
>> > > > 2010/11/29 maven apache <apachemaven0@gmail.com>
>> > > >
>> > > >> <s:form action="register">
>> > > >>
>> > > >>
>> > > >>       <s:textfield name="personBean.firstName" label="First
name" />
>> > > >>
>> > > >>
>> > > >>       <s:submit/>
>> > > >> </s:form>
>> > > >>
>> > > >> public class Register extends ActionSupport {
>> > > >>
>> > > >>
>> > > >>     private static final long serialVersionUID = 1L;
>> > > >>
>> > > >>
>> > > >>     private Person personBean;
>> > > >>
>> > > >>
>> > > >>         //................
>> > > >> }
>> > > >>
>> > > >>
>> > > >> Using the s:form tag one can bind the parameter from the client
to a
>> > > java
>> > > >> object(the personBean in the Register action).
>> > > >>
>> > > >> However it seems that the struts tag is required,but my action
is
>> not
>> > > >> called from the web form,so any way?
>> > > >>
>> > > >> And I tried this way:
>> > > >>
>> > > >> public class ParaWrapper(){
>> > > >>
>> > > >>
>> > > >>   private String firstName;
>> > > >>
>> > > >>
>> > > >>   public void setFirstName(String ..){
>> > > >>
>> > > >>
>> > > >>     this.firstName=...
>> > > >>
>> > > >>
>> > > >>   }
>> > > >>   //the getter of firstName
>> > > >>
>> > > >>
>> > > >>   public ....
>> > > >>
>> > > >> }
>> > > >>
>> > > >>
>> > > >> public MyAction extends ActionSupport{
>> > > >>
>> > > >>
>> > > >>   private ParaWrapper wrapper;
>> > > >>
>> > > >>
>> > > >>   public void setXXX()...
>> > > >>
>> > > >>
>> > > >>   public void getXXX()...
>> > > >>
>> > > >>
>> > > >>   public void execute(){
>> > > >>
>> > > >>
>> > > >>     System.out.println(wrapper.getFirstName()); //here I can
not get
>> > the
>> > > parameters,it seems that the parameters are not populated to this
>> object.
>> > > >>
>> > > >>
>> > > >>   }
>> > > >> }
>> > > >>
>> > > >> It does not work since struts does not know which object should
be
>> > used
>> > > to bind the parameter.
>> > > >>
>> > > >>
>> > > >> I wonder there is any way to using this manner?
>> > > >>
>> > > >>
>> > > >
>> > >
>> > >
>> > >
>> > > --
>> > > Maurizio Cucchiara
>> > >
>> > > ---------------------------------------------------------------------
>> > > To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
>> > > For additional commands, e-mail: user-help@struts.apache.org
>> > >
>> > >
>> >
>>
>



-- 
Maurizio Cucchiara

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