注册Spring的OpenSessionInViewFilter

在web.xml里注册Spring的OpenSessionInViewFilter。<filter>      <filter-name>hibernateFilter</filter-name>      <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>  </filter>  <filter-mapping>      <filter-name>hibernateFilter</filter-name>      <url-pattern>*.action</url-pattern>  </filter-mapping>