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From mao.ka...@zte.com.cn
Subject 答复: Re: What is the effect of Params Interceptor?
Date Mon, 26 Nov 2012 04:43:36 GMT
good.

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毛凯
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Chris Pratt <thechrispratt@gmail.com> 
2012-11-26 11:12
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Re: What is the effect of Params Interceptor?






Request parameters refers to the data that is supplied with the GET query
string or POST body (typically from form parameters).  And the Params
Interceptor takes those parameters and calls the corresponding mutators on
the Action.
  (*Chris*)


On Sun, Nov 25, 2012 at 3:40 AM, Wu Ming <rdyf4ever@gmail.com> wrote:

> Hi,
>
> Is Request Parameters has same meaning with the Action's property field
> (the one with getter/setter) ?
>
> For example:
> http://www.tutorialspoint.com/struts_2/struts_actions.htm
>
> HelloWorldAction has "name" property. Then in index.jsp, there is a form
> that has "name" textfield data that will be sent to the HelloWorldAction 
if
> the submit button is clicked. So, in this case, could the "name" 
textfield
> data can be called as a Request Parameter if it is being submitted to
> the HelloWorldAction?
>
>
>
> On Sun, Nov 25, 2012 at 6:20 PM, Chris Pratt <thechrispratt@gmail.com
> >wrote:
>
> > Params interceptor is used in Injecting the Request Parameters into 
the
> > Action, either individually or (using the ParameterAware interface) 
all
> at
> > once.
> >   (*Chris*)
> >
> >
> > On Sun, Nov 25, 2012 at 3:07 AM, Wu Ming <rdyf4ever@gmail.com> wrote:
> >
> > > I read this tutorial<
> > > http://www.tutorialspoint.com/struts_2/struts_interceptors.htm>,
> > > but I don't understand what Params Interceptor is used for?
> > >
> > > Example:
> > >
> > > <action name="someAction" class="com.examples.SomeAction">
> > >     <interceptor-ref name="params"/>
> > >     <result name="success">result.jsp</result>
> > > </action>
> > >
> > >
> > > If the timer interceptor being used, we will see this kind of 
message:
> > >
> > > *INFO: Executed action [//hello!execute] took 109 ms.*
> > >
> > >
> > > But what about params interceptor? What would happened if it's used? 
I
> > > tried and don't see anything.
> > >
> >
>


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