"Java EE Enterprise Application Combat Learning record" Requestlistener

1  PackageSanglp.servlet;2 3 Importjavax.servlet.*;4 ImportJavax.servlet.annotation.WebListener;5 Importjavax.servlet.http.HttpServletRequest;6 7 /**8 * Created by Administrator on 2016/10/5.9  */Ten @WebListener One  Public classRequestlistenerImplementsServletrequestlistener,servletrequestattributelistener { A  -     //the end of the user request, the method is triggered when initialized - @Override the      Public voidrequestinitialized (servletrequestevent servletrequestevent) { -HttpServletRequest request=(HttpServletRequest) servletrequestevent.getservletrequest (); -System.out.println ("Send To" +request.getrequesturi () + "request Initialized"); -     } +     //The method is triggered when the user requests the end and is destroyed - @Override +      Public voidrequestdestroyed (servletrequestevent servletrequestevent) { AHttpServletRequest request=(HttpServletRequest) servletrequestevent.getservletrequest (); atSystem.out.println ("Send To" +request.getrequesturi () + "request destroyed"); -  -     } -  - @Override -      Public voidattributeadded (servletrequestattributeevent servletrequestattributeevent) { inServletContext application=Servletrequestattributeevent.getservletcontext (); -         //get the added property name and property value toString name=servletrequestattributeevent.getname (); +Object value=Servletrequestattributeevent.getvalue (); -System.out.println (application+ "range added" +name+ "value for" +value+ "property"); the  *     } $ Panax Notoginseng @Override -      Public voidattributeremoved (servletrequestattributeevent servletrequestattributeevent) { theServletContext application=Servletrequestattributeevent.getservletcontext (); +         //get the added property name and property value AString name=servletrequestattributeevent.getname (); theObject value=Servletrequestattributeevent.getvalue (); +System.out.println (application+ ") has removed the attribute" +name+ "with the value" +value+ "); -     } $  $ @Override -      Public voidattributereplaced (servletrequestattributeevent servletrequestattributeevent) { -ServletContext application=Servletrequestattributeevent.getservletcontext (); the         //get the added property name and property value -String name=servletrequestattributeevent.getname ();WuyiObject value=Servletrequestattributeevent.getvalue (); theSystem.out.println (application+ "Scope" replaced the "+name+" value for the "+value+" property "); -     } Wu}

"Java EE Enterprise Application Combat Learning record" Requestlistener