Custom time interceptor

Struts. xml file

<? XML version ="1.0"Encoding =UTF-8"?>

<! Doctype struts public

"-// Apache Software Foundation // DTD strutsconfiguration 2.3 // en"

Http://struts.apache.org/dtds/struts-2.3.dtd>

<Struts>

<Package name ="Inter"Extends ="Struts-Default"Namespace ="/">

<! -- Loading declaration of interceptor -->

<Interceptors>

<! -- Declare a custom interceptor -->

<Interceptor name ="Mytimer"Class ="Cn. csdn. Time. Inter. mytimerinter"/>

<! -- Declare a custom interceptor Stack -->

<Interceptor-stack name ="Mystack">

<! -- Place the declared custom interceptor in the Custom interceptor Stack -->

<Interceptor-ref name ="Mytimer"/>

<! -- Place the interceptor stack in struts2 into the custom interceptor Stack -->

<Interceptor-ref name ="Defaultstack"/>

</Interceptor-stack>

</Interceptors>

<! -- Declare the default custom interceptor Stack -->

<Default-interceptor-ref name ="Mystack"/>

<Action name ="Mytimer"Class ="Cn. csdn. Time. Inter. mytimerinteraction"Method ="Say">

<Result>./mytimerinter. jsp </result>

</Action>

</Package>

</Struts>

 

Customize a time interceptor

Public class Mytimerinter ImplementsInterceptor {

 

Public voidDestroy (){

//TodoAuto-generatedmethod stub

System.Out. Println ("Custom time interceptor ------- execute at destruction .........");

}

Public voidInit (){

//TodoAuto-generatedmethod stub

System.Out. Println ("Custom time interceptor ------- execute at initialization .........");

}

PublicString intercept (actioninvocation Invocation)
ThrowsException {

//TodoAuto-generatedmethod stub

// Get the currently processed action. An object is returned.

ObjectOBJ= Invocation. getaction ();

// Define a time Parameter

LongTime = system.Currenttimemillis(); // Get the current number of milliseconds

System.Out. Println ("before the target method is executed ======= ");

String result = invocation. Invoke (); // call the system's invoke () method

System.Out. Println ("after the target method is executed =========" + (system.Currenttimemillis()-Time ));

ReturnResult;

}

}

 

The say () method in mytimerinteraction. Class

PublicString say (){

System.Out. Println ("I am the action method! ");

Return Success;

}

 

Page to jumpMytimerinter. jsp

<H1> I am a custom time interceptorJSPPage