import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 import org.springframework.beans.factory.DisposableBean;

 import org.springframework.context.ApplicationContext;

 import org.springframework.context.ApplicationContextAware;

 import org.springframework.stereotype.Service;

 /**

  * 以静态变量保存Spring ApplicationContext, 可在任何代码任何地方任何时候中取出ApplicaitonContext.

  */

 @Service

 public class SpringContextHolder implements ApplicationContextAware, DisposableBean {

     private static ApplicationContext applicationContext = null;

     private static Logger logger = LoggerFactory.getLogger(SpringContextHolder.class);

     /**

      * 实现ApplicationContextAware接口, 注入Context到静态变量中.

      */

     public void setApplicationContext(ApplicationContext applicationContext) {

         logger.debug("注入ApplicationContext到SpringContextHolder:" + applicationContext);

         if (SpringContextHolder.applicationContext != null) {

             logger.warn("SpringContextHolder中的ApplicationContext被覆盖, 原有ApplicationContext为:"

                     + SpringContextHolder.applicationContext);

         }

         SpringContextHolder.applicationContext = applicationContext; //NOSONAR

     }

     /**

      * 实现DisposableBean接口,在Context关闭时清理静态变量.

      */

     @Override

     public void destroy() throws Exception {

         SpringContextHolder.clear();

     }

     /**

      * 取得存储在静态变量中的ApplicationContext.

      */

     public static ApplicationContext getApplicationContext() {

         assertContextInjected();

         return applicationContext;

     }

     /**

      * 从静态变量applicationContext中取得Bean, 自动转型为所赋值对象的类型.

      */

     @SuppressWarnings("unchecked")

     public static <T> T getBean(String name) {

         assertContextInjected();

         return (T) applicationContext.getBean(name);

     }

     /**

      * 从静态变量applicationContext中取得Bean, 自动转型为所赋值对象的类型.

      */

     public static <T> T getBean(Class<T> requiredType) {

         assertContextInjected();

         return applicationContext.getBean(requiredType);

     }

     /**

      * 清除SpringContextHolder中的ApplicationContext为Null.

      */

     public static void clear() {

         logger.debug("清除SpringContextHolder中的ApplicationContext:" + applicationContext);

         applicationContext = null;

     }

     /**

      * 检查ApplicationContext不为空.

      */

     private static void assertContextInjected() {

         if (applicationContext == null) {

             throw new IllegalStateException("applicaitonContext未注入,请在applicationContext.xml中定义SpringContextHolder");

         }

     }

 }

 public interface CommonService {

     /**

      * 分页查询

      * @param object  表名

      * @return Page<>  列表

      */

     Object findPageList(String name);

 }

 /**

  *

  * 通用service

  */

 @Service("commonService")

 public class CommonServiceImpl implements CommonService {

     /**

      * 分页查询

      * @param object  表名

      * @return Page<>  列表

      */

     public Object findPageList(String name) {

         try {

             //获取QO

             Class clQO = Class.forName("org.xxx.domain.qo."+name+"QO");

             Object objectQO = clQO.newInstance();

             //设置未删除

             Field deltIndc = clQO.getDeclaredField("deltIndc");

             deltIndc.setAccessible(true);

             deltIndc.set(objectQO, "0");

             //首字母小写    拼成xxxxDao

             String nameDao =

                     (new StringBuilder()).append(

                             Character.toLowerCase(name.charAt(0))).append(name.substring(1)).toString()

                             +"Dao";

             //获取被Spring托管的dao层实例

             Object objDao = SpringContextHolder.getBean(nameDao);

             Method[] ms = objDao.getClass().getMethods();

             for(Method m:ms){

                 //找到find方法 执行

                 if("find".equals(m.getName())){

                     return m.invoke(objDao, new Object[]{objectQO});

                 }

             }

         } catch (Exception e) {

             e.printStackTrace();

         }

         return null;

     }

 }

 @Controller

 public class CommonAction {

     @Autowired(required = false)

     private CommonService commonService;

     @RequestMapping("getPage")

     public @ResponseBody Object getPage(String name) {

         //"PltmPubNews"

         return commonService.findPageList(name);

     }

 }