displayalltypeaction.java

ajax实战之tree java代码

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

import java.io.IOException;
import java.util.Iterator;
import java.util.List;

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

import model.Subtype;
import model.SubtypeDAO;

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 util.TreeTools;

/** 
 * MyEclipse Struts
 * Creation date: 03-09-2007
 * 
 * XDoclet definition:
 * @struts.action path="/displayAllType" name="displayAllTypeForm" input="/form/displayAllType.jsp" scope="request"
 * @struts.action-forward name="success" path="/dynamicTree.jsp"
 */
public class DisplayAllTypeAction 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) {
		SubtypeDAO subdao = new SubtypeDAO();
		int typeId = new Integer(request.getParameter("typeId")).intValue();
		List list = subdao.findByTypeId(typeId);
		Iterator it = list.iterator();
		response.setContentType("text/html");
		response.setCharacterEncoding("gbk");
		java.io.PrintWriter out = null;
		try {
			out = response.getWriter();
		} catch (IOException e1) {
			// TODO 自动生成 catch 块
			e1.printStackTrace();
		}
		while(it.hasNext()){
			Subtype subType = (Subtype)(it.next());
			
			System.out.println(subType.getSubTypeName());
			TreeTools treeTools = new TreeTools();
			out.print(treeTools.buildSubTypeTree(subType));
		}
		return null;
	}
}