电子通讯薄(MVC) :此示例基于MVC模式,包含四个界面:登入、添加数据、查询数据和显示所有数据,通过这个示例将会对Struts构架有进一步的了解

				package addressbook.actions;								import addressbook.Constants;				import addressbook.forms.*;				import addressbook.model.*;				import org.apache.struts.action.*;				import javax.servlet.http.*;				public class SearchAction extends Action {				  public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {				    /**@todo: complete the business logic here, this is just a skeleton.*/				    SearchForm searchForm = (SearchForm) actionForm;				    String name=searchForm.getName();				    String phone=searchForm.getPhone();				    String address=searchForm.getAddress();								    String strSql=new String("select * from book where ");				    if(!name.equals(""))				      strSql=strSql+"name LIKE '"+name+"%' AND";				    if(!phone.equals(""))				      strSql=strSql+"phone LIKE '"+phone+"%' AND";				    if(!address.equals(""))				      strSql=strSql+"address LIKE '"+address+"%'";				    else				      strSql=strSql.substring(0,strSql.length()-3);								     strSql=strSql+" order by ID";								     HttpSession session=httpServletRequest.getSession();				     session.setAttribute("session",strSql);				     //System.out.println(session.getAttribute("session"));				     return (actionMapping.findForward("view"));				    }				}