Spring Tool class: Webapplicationcontextutils

Webapplicationcontextutils can get

Webapplicationcontextwebapplicationcontext can fetch the bean and then execute the method to get the data.

package cn.sccl.common.web;import java.util.list;import java.util.map;import  javax.servlet.servletcontext;import javax.servlet.servletcontextevent;import  javax.servlet.servletcontextlistener;import org.apache.commons.logging.log;import  org.apache.commons.logging.logfactory;import org.springframework.context.applicationcontext;import  org.springframework.web.context.contextloaderlistener;import  org.springframework.web.context.support.webapplicationcontextutils;import  cn.sccl.common.service.bizcodemanager;import cn.sccl.common.web.util.log4jwebconfigurer;import  cn.sccl.pms.model.division;import cn.sccl.pms.model.divisionquery;import  cn.sccl.pms.service.divisionmanager;public class startuplistener extends  contextloaderlistener implements servletcontextlistener {@Overridepublic  void  Contextinitialized (servletcontextevent event)  {super.contextinitialized (evenT); Servletcontext context = event.getservletcontext ();//Get servletcontext//can also be obtained in the implementation of the HttpServlet interface, Servletcontext servletcontext = this.getservletcontext ();   setupcontext (context);} Protected void setupcontext (Final servletcontext context)  {//  Webapplicationcontext ctx = webapplicationcontextutils.getwebapplicationcontext (ServletContext) It is recommended to use this, because getrequiredwebapplicationcontext requires that the ServletContext must have applicationcontextapplicationcontext in the  //.  ctx = webapplicationcontextutils.getrequiredwebapplicationcontext (context); //  Administrative divisions    DivisionManager divisionManager =  (Divisionmanager)  ctx.getbean (" Divisionmanager ");//Get Managerlist<division> divisions = divisionmanager.query (new  Divisionquery ());//Put data in the servletcontext  page and get it in application. Because application and ServletContext correspond to Context.setattribute ("divisions",  divisions);}}

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Spring Tool class: Webapplicationcontextutils