storagedispatchaction.java

来自「struts做得固定资产管理系统 带毕业论文完整版」· Java 代码 · 共 149 行

package com.qrsx.appcam.action;

import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.qrsx.appcam.dao.StorageDAO;
import com.qrsx.appcam.form.StorageForm;
import com.qrsx.appcam.model.Storage;

public class StorageDispatchAction extends BaseDispatchAction {

	/**
	 * 保存仓库信息：更新、创建
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward save(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		// 验证数据有效性
		ActionErrors errors = form.validate(mapping, request);
		if (!errors.isEmpty()) {
			saveErrors(request, errors);
			return mapping.findForward("edit");
		}
		// 获取表单的数据：把表单的数据映射到对象中去
		StorageForm storageForm = (StorageForm) form;
		Storage storage = new Storage();
		BeanUtils.copyProperties(storage, form);

		StorageDAO dao = new StorageDAO();
		// 判断对象Id是否为空，若为空则执行创建操作，否则执行更新操作
		if (storageForm.getId() == null
				|| storageForm.getId().trim().length() == 0) {
			dao.create(storage);
			saveMessage(request, "storageForm.added", storageForm.getName());
		} else {
			dao.update(storage);
			saveMessage(request, "storageForm.updated", storageForm.getName());
		}

		return mapping.findForward("success");
	}

	/**
	 * 编辑仓库信息：进入新建页面、进入更新页面
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		String id = request.getParameter("id");

		if (id != null && id.trim().length() > 0) {
			StorageDAO dao = new StorageDAO();
			// 获取编辑对象
			Storage storage = dao.findById(Integer.valueOf(id));
			if (storage != null) {
				// 把要编辑对象的数据映射到表单中
				BeanUtils.copyProperties(form, storage);
			}
		}
		return mapping.findForward("edit");
	}

	/**
	 * 删除仓库信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		String id = request.getParameter("id");
		if (id != null && id.trim().length() > 0) {
			StorageDAO dao = new StorageDAO();
			dao.delete(Integer.valueOf(id));// 执行删除操作
			saveMessage(request, "storageForm.deleted");
		}
		return mapping.findForward("success");
	}

	/**
	 * 动态检索仓库信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		// 把输入的检索条件，映射到对象中去
		Storage storage = new Storage();
		BeanUtils.copyProperties(storage, form);
		// 执行检索操作，并把检索到的结果返回到编辑页面
		StorageDAO dao = new StorageDAO();
		List<Storage> list = dao.list(storage);
		request.setAttribute("storages", list);
		return mapping.findForward("list");
	}

	/**
	 * 检索所有的仓库信息
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward findAll(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		BaseDispatchAction.isLogon(request, response);//验证用户是否已经登陆
		StorageDAO dao = new StorageDAO();
		List<Storage> list = dao.findAll();

		request.setAttribute("storages", list);
		return mapping.findForward("list");
	}
}