原文地址：http://kenshinlk.iteye.com/blog/59087 <!--OpenSessionInViewFilter配置，其实是一个又繁琐性能又低的东西，以后再也不想用到-->            < filter >                     < filter-name > OpenSessionInViewFilter </ filter-name >                     < filter-class >                            org.springframework.orm.hibernate3.support.OpenSessionInViewFilter                  </ filter-class >                     <!-- singleSession默认为true,若设为false则等于没用OpenSessionInView -->                     < init-param >                             < param-name > singleSession </ param-name >                             < param-value > true </ param-value >                     </ init-param >             </ filter >             < filter-mapping >                     < filter-name > OpenSessionInViewFilter </ filter-name >                     < url-pattern > *.do </ url-pattern >             </ filter-mapping >                <!--Spring Context listener-->             < listener >                     < listener-class >                            org.springframework.web.context.ContextLoaderListener                     </ listener-class >             </ listener >         <!--让spring知道事务管理的bean所在-->          < context-param >               < param-name > contextConfigLocation </ param-name >               < param-value > /WEB-INF/applicationContext*.xml </ param-value >           </ context-param >