queryflowaction.java

eclipse+struts+sqlserver 简单图书管理系统,内有文档

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package kignbi.dong.action;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import java.util.ArrayList;

import kignbi.dong.*;
import kignbi.dong.form.QueryFlowForm;
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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

/** 
 * MyEclipse Struts
 * Creation date: 02-20-2008
 * 
 * XDoclet definition:
 * @struts.action path="/queryFlow" name="queryFlowForm" input="/admin/queryflow.jsp" scope="request" validate="true"
 * @struts.action-forward name="success" path="/admin/queryflow.jsp"
 * @struts.action-forward name="false" path="/admin/queryflow.jsp"
 */
public class QueryFlowAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)throws Exception {
		QueryFlowForm queryFlowForm = (QueryFlowForm) form;// TODO Auto-generated method stub
		 String searchType=queryFlowForm.getSearchType().trim();
		    String condition=queryFlowForm.getCondition().trim();
		//HttpSession session = request.getSession(true);
		ActionMessages errors = new ActionMessages();
		String PageForward = "false";
		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource) context.getAttribute(Constants.DATASOURCE_KEY);
		DB db = new DB(dataSource);
		String pageForward="false";
		ArrayList al=BorrowStatics.Static(db, searchType, condition);
		if( al.size()>0){
			String count=Integer.toString(al.size());
			  request.setAttribute("count", count);
	          request.setAttribute("statics",al);
	          PageForward="success";
		}
		else{
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("query.flow.norecord"));
	         if (!errors.isEmpty()) {
		       saveErrors(request, errors);
		}
		}
		return mapping.findForward(PageForward);
		
		
		
		
		
		
	}
}