bookqueryaction.java

来自「一个基本的图书馆管理系统」· Java 代码 · 共 74 行

package c18.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import c18.helper.PageBean;
import c18.helper.PageResult;
import c18.service.BookService;
import c18.service.BookServiceImpl;
import c18.struts.action.exception.ActionException;
import c18.util.ConvertUtil;

/** 
 * 
 * 关键字搜索Action类
 * @struts.action path="/book_query" scope="request"
 * @struts.action-forward name="success" path="/book_querylist.jsp"
 */
public class BookQueryAction extends Action{
	/**
	 * 日志操作对象
	 */
    private static final Log log = LogFactory.getLog(BookQueryAction.class);

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		//得到查询关键字
		String findKey = request.getParameter("findKey");
		if(findKey == null){
			findKey = "";
		}
		//得到查询类型
		int findType =0;
		String sfindType = request.getParameter("findType");
		if(sfindType != null && !sfindType.equals("")){
			findType = ConvertUtil.convertInt(sfindType);
		}
		
		PageBean pageBean = PageBean.getPageBean(request, response);
		
		try {
			//创建BookService对象
			BookService bookservice = new BookServiceImpl(); 
			//查询图书
			PageResult pageresult = bookservice.findBooksByKey(findKey, findType, pageBean);
			
			//在Request中放入查询结果
			request.setAttribute("findKey", findKey);
			request.setAttribute("findType", findType);
			request.setAttribute("pageresult", pageresult);
			
		} catch (ActionException e) {
			log.error(e);
		}
		
		return mapping.findForward("success");
	}
}