spring mvc

package ies.io.controller; import ies.io.domain.Account; import ies.io.service.AccountService; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller @RequestMapping("/account") public class AccountController { /** * 当service的实现写完后，回到控制层 * * @Resource(name="accountServiceImpl") private AccountService as; * 在我看来这2句和在一起就等于 AccountService as = * new accountServiceImpl(); * @param req * @return */ @Resource(name = "accountServiceImpl") private AccountService as; @RequestMapping("/add") public String addAccount(HttpServletRequest req) { Account acc = new Account(); acc.setName(req.getParameter("name")); as.addAccount(acc); req.setAttribute("key", "hzjw"); return "hzjw";// "hzjw"这个String 类型就是hzjw.jsp的名字只要名字一样那么就一定能找到 } }