Web 層代碼量比較大，涉及的地方也比較多，考慮到文章過于龐大，所以分兩篇寫。
我們還是先從主要的 action 開始吧。

在 com.game.products.web.actions 包中新建 ProductsAction ，這是一個 DispatchAction ，代碼如下：

<o:p></o:p>

?

package ?com.game.products.web.actions;

import ?java.util.List;

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

import ?org.acegisecurity.AccessDeniedException;
import ?org.apache.struts.action.ActionForm;
import ?org.apache.struts.action.ActionForward;
import ?org.apache.struts.action.ActionMapping;
import ?org.apache.struts.actions.DispatchAction;

import ?com.game.commons.Pager;
import ?com.game.commons.PagerService;
import ?com.game.products.model.Products;
import ?com.game.products.services.iface.ProductsService;
import ?com.game.products.web.forms.ProductsForm;


public ? class ?ProductsAction? extends ?DispatchAction? {
????
???? private ?ProductsService?productsService;
???? private ?PagerService?pagerService;
????
???? /**?*/ /** ?
?????*?顯示所有信息
????? */
???? public ?ActionForward?doGetProducts(
????????????ActionMapping?mapping,
????????????ActionForm?form,
????????????HttpServletRequest?req,
????????????HttpServletResponse?res) {
????????String?flag = req.getParameter( " flag " );
????????
???????? int ?totalRows = productsService.getRows();
????????String?currentPage = req.getParameter( " currentPage " );
????????String?pagerMethod = req.getParameter( " pagerMethod " );
????????
????????Pager?pager = pagerService.getPager(currentPage,?pagerMethod,?totalRows);
????????
????????List?productsList = productsService.getProducts(pager.getPageSize(),?pager.getStartRow());
????????
????????req.setAttribute( " productsList " ,?productsList);
????????req.setAttribute( " PAGER " ,?pager);
????????req.setAttribute( " flag " ,?flag);
????????req.setAttribute( " totalRows " ,?String.valueOf(totalRows));
????????
???????? return ?mapping.findForward( " all " );
????}
????
???? /**?*/ /** ?
?????*?顯示一條信息
????? */
???? public ?ActionForward?doGetProduct(
????????????ActionMapping?mapping,
????????????ActionForm?form,
????????????HttpServletRequest?req,
????????????HttpServletResponse?res) {
????????String?flag = req.getParameter( " flag " );
????????String?gameId = req.getParameter( " gameId " );
????????String?fieldname = "" ;
????????String?value = "" ;
???????? if (flag.equals( " 2 " )) {
????????????fieldname = (String)req.getParameter( " fieldname " );
????????????value = (String)req.getParameter( " value " );
????????????req.setAttribute( " fieldname " ,?fieldname);
????????????req.setAttribute( " value " ,?value);
????????}
????????
????????Products?pd = productsService.getProduct(gameId);
????????req.setAttribute( " pd " ,?pd);
????????req.setAttribute( " flag " ,?flag);
???????? return ?mapping.findForward( " one " );
????}
????
???? /**?*/ /** ?
?????*?添加信息頁面
????? */
???? public ?ActionForward?doAddProductPage(
????????????ActionMapping?mapping,
????????????ActionForm?form,
????????????HttpServletRequest?req,
????????????HttpServletResponse?res) {
????????String?flag = req.getParameter( " flag " );
????????req.setAttribute( " flag " ,?flag);
????????String?fieldname = "" ;
????????String?value = "" ;
???????? if (flag.equals( " 2 " )) {
????????????fieldname = (String)req.getParameter( " fieldname " );
????????????value = (String)req.getParameter( " value " );
????????????req.setAttribute( " fieldname " ,?fieldname);
????????????req.setAttribute( " value " ,?value);
????????}
????????
????????String?maxid = productsService.getMaxID();
????????req.setAttribute( " maxid " ,?maxid);
???????? return ?mapping.findForward( " add " );
????}
????
???? /**?*/ /** ?
?????*?添加信息
????? */
???? public ?ActionForward?doAddProduct(
????????????ActionMapping?mapping,
????????????ActionForm?form,
????????????HttpServletRequest?req,
????????????HttpServletResponse?res) {
????????ProductsForm?pf = (ProductsForm)form;
????????String?flag = pf.getFlag();
????????req.setAttribute( " flag " ,?flag);
????????String?fieldname = "" ;
????????String?value = "" ;
???????? if (flag.equals( " 2 " )) {
????????????fieldname = pf.getFieldname();
????????????value = pf.getValue();
????????????req.setAttribute( " fieldname " ,?fieldname);
????????????req.setAttribute( " value " ,?value);
????????}
????????
????????Products?pd = new ?Products();
????????pd.setGameCapacity(pf.getGameCapacity());
????????pd.setGameId(pf.getGameId());
????????pd.setGameMedia(pf.getGameMedia());
????????pd.setGameNameCn(pf.getGameNameCn());
????????pd.setGameNameEn(pf.getGameNameEn());
????????pd.setGameVersion(pf.getGameVersion());
????????pd.setGameCopyright(pf.getGameCopyright());
????????pd.setGameContent(pf.getGameContent());
???????? if (pf.getGamePrice().equals( "" )) {
????????????pd.setGamePrice( null );
????????} else {
????????????pd.setGamePrice(pf.getGamePrice());
????????}
????????
???????? int ?sign = 1 ;
???????? try {
????????????productsService.addProduct(pd);
????????????sign = 1 ;
????????} catch (Exception?e) {
????????????sign = 2 ;
????????}
????????
???????? if (sign == 1 ) {
???????????? return ?mapping.findForward( " success " );
????????} else {
???????????? return ?mapping.findForward( " failure " );
????????}
????}
????
???? /**?*/ /** ?
?????*?修改信息
????? */
???? public ?ActionForward?doUpdateProduct(
????????????ActionMapping?mapping,
????????????ActionForm?form,
????????????HttpServletRequest?req,
????????????HttpServletResponse?res) {
????????ProductsForm?pf = (ProductsForm)form;
????????String?gameId = pf.getGameId();
????????
????????String?flag = pf.getFlag();
????????req.setAttribute( " flag " ,?flag);
????????String?fieldname = "" ;
????????String?value = "" ;
???????? if (flag.equals( " 2 " )) {
????????????fieldname = pf.getFieldname();
????????????value = pf.getValue();

struts+spring+hibernate的web應用 Web層代碼編寫(1)