SSM登录怎么做？？？？？？

Question

登录
@RequestMapping("/GrogShopController")
public class GrogShopController extends HttpServlet{

@Autowired
private GrogShopService grogShopService;
@Autowired
private WineDecanterService wineDecanterService;

String json = "{\"msg\":\""+RetrunEnum.ERROR.getText()+"\"}";
Map<String,Object> returnMap=new HashMap<String,Object>();
/**
 * @author 
 * @param grogShop
 * to do：商店登录
 */
@RequestMapping(value="/loginGrogShop",method=RequestMethod.POST)
public void loginGrogShop(String grogShop,HttpServletResponse response){
    try {
        GrogShop parmgrog=GsonUtil.toBean(grogShop, GrogShop.class);
        if (grogShopService.findGrogShop(parmgrog.getName())!=null) {
            GrogShop grogshop=grogShopService.findGrogShop2(parmgrog);
            if (grogshop!=null) {
                response.getWriter().print(GsonUtil.toJsonString(grogshop));
            }else{
                response.getWriter().print(406); //用户密码错误
            }
        }else{
            response.getWriter().print(405); //用户不存在
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}
JSP：
    <script type="text/javascript">

$(function(){

    var loginname=$("loginname").val();
    var password=$("password").val();
    function login(){
        $.post("${pageContext.request.contextPath}/GrogShopController/loginGrogShop.do")

    }

});
要怎么写 根据数据库里面的数据来登入 还有判断权限等

Answer 1

权限判断是表设计那边的问题啊，查询判断就好啦

把录入的信息和去数据库查询，正确就提示成功啊

你具体是哪里不明白？

写代码多写点注释，规范点。