struts+hibernate+oracle+easyui实现lazyout组件的简单案例——OpSessionview实现

/**  
* @Title: OpenSessionFilter.java
* @Package org.web
* @Description: TODO该方法的主要作用：
* @author A18ccms A18ccms_gmail_com  
* @date 2017-4-19 下午6:51:37
* @version V1.0  
*/
package org.web;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.util.HibernateUtil;
 /**   
 *    
 * 项目名称：struts_easyui   
 * 类名称：OpenSessionFilter   
 * 类描述：   
 * 创建人：Mu Xiongxiong  
 * 创建时间：2017-4-19 下午6:51:37   
 * 修改人：Mu Xiongxiong   
 * 修改时间：2017-4-19 下午6:51:37   
 * 修改备注：   
 * @version    
 *    
 */
public class OpenSessionFilter implements Filter {
  /**(非 Javadoc)
   * <p>Title: destroy</p>
   * <p>Description(描述): </p>
   * @see javax.servlet.Filter#destroy()
   */
  @Override
  public void destroy() {
    // TODO Auto-generated method stub
  }
  /**(非 Javadoc)
   * <p>Title: doFilter</p>
   * <p>Description(描述): </p>
   * @param arg0
   * @param arg1
   * @param arg2
   * @throws IOException
   * @throws ServletException
   * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
   */
  @Override
  public void doFilter(ServletRequest arg0, ServletResponse arg1,
      FilterChain arg2) throws IOException, ServletException {
    Session session =null;
    Transaction tx=null;
    try {
      session =HibernateUtil.getSession();
      tx=session.beginTransaction();
      arg2.doFilter(arg0, arg1);
      tx.commit();
    } catch (Exception e) {
      tx.rollback();
    }
  }
  /**(非 Javadoc)
   * <p>Title: init</p>
   * <p>Description(描述): </p>
   * @param arg0
   * @throws ServletException
   * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
   */
  @Override
  public void init(FilterConfig arg0) throws ServletException {
    // TODO Auto-generated method stub
  }
}