fishdetailaction.java

JPetStore源码

package org.springframework.samples.jpetstore.web.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.samples.jpetstore.domain.Fish;

/**
 * 徻嵶夋柺偺傾僋僔儑儞
 * 
 * @author 焨寷曮
 */
public class FishDetailAction extends BaseAction {

	/**
	 * 弶婜壔張棟
	 * 
	 * @param mapping
	 *            傾僋僔儑儞偺攝抲忣曬
	 * @param form
	 *            Servlet忣曬
	 * @param request
	 *            HTTP儕僋僄僗僩
	 * @param response
	 *            HTTP儗僗億儞僗
	 * @throws Exception
	 *             堎忢張棟
	 * @return ActionForward 揮憲偟偨儁乕僕偺儘僕僢僋柤徧
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		// Fish偺弶婜壔
		Fish fish = new Fish();

		// ProductId傪庢摼偡傞
		String productId = request.getParameter("productId");

		// Category偺抣傪僙僢僩偡傞
		fish.setCategory(Fish.CATEGORY_ID);

		// ProductId偺抣傪僙僢僩偡傞
		fish.setProductId(productId);

		// 徻嵶偺僨乕僞傪庢摼偡傞
		fish = getPetStore().getFishDetail(fish);

		// 僨乕僞偑懚嵼偟側偄応崌
		if (fish == null) {

			// 僄儔乕儊僙僢僕
			request.setAttribute("message", "productID傕偆懚嵼偟側偄偱偡!");

			// 僄儔乕夋柺傊挼傇
			return mapping.findForward("error");
		} else {
			
			// request偵徻嵶僨乕僞傪僙僢僩偡傞
			request.setAttribute("fish", fish);
		}
	
		// 徻嵶夋柺傊挼傇
		return mapping.findForward("success");
	}
}