form表单的action路径怎么写啊？

login页面其他显示都是正常的，只是点击登录提交表单后找不到LoginServlet，控制台也没有输出

路径写错了吧

• 这篇博客: 用户信息管理系统案例（一）中的 9、创建小服务程序类LoginServlet，提供登录服务 部分也许能够解决你的问题, 你可以仔细阅读以下内容或跳转源博客中阅读:
  

• 
  package cn.actadd.web.servlet;
  
  import cn.actadd.domain.User;
  import cn.actadd.service.UserService;
  import cn.actadd.service.impl.UserServiceImpl;
  import org.apache.commons.beanutils.BeanUtils;
  
  import javax.servlet.ServletException;
  import javax.servlet.annotation.WebServlet;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  import java.io.IOException;
  import java.lang.reflect.InvocationTargetException;
  import java.util.Map;
  
  @WebServlet("/loginServlet")
  public class LoginServlet extends HttpServlet {
      @Override
      protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  
          //1、设置编码
          request.setCharacterEncoding("utf-8");
  
          //2、获取数据
          //2.1 获取用户填写验证码
          String verifycode = request.getParameter("verifycode");
  
          //3、验证码校验
          HttpSession session = request.getSession();
          String checkcode_server = (String) session.getAttribute("CHECKCODE_SERVER");
          //确保验证码的一次性
          session.removeAttribute("CHECKCODE_SERVER");
  
          if (!checkcode_server.equalsIgnoreCase(verifycode)) {
              //验证码不正确
              //提示信息
              request.setAttribute("login_msg", "验证码错误！");
              //跳转登录页面
              request.getRequestDispatcher("/login.jsp").forward(request, response);
  
              return;
          }
  
          Map<String, String[]> map = request.getParameterMap();
  
          //4、封装User对象
          User user = new User();
          try {
              BeanUtils.populate(user, map);
          } catch (IllegalAccessException e) {
              e.printStackTrace();
          } catch (InvocationTargetException e) {
              e.printStackTrace();
          }
  
          //5、调用Service查询
          UserService service = new UserServiceImpl();
          User loginUser = service.login(user);
  
          //6、判断是否登录成功
          if (loginUser != null) {
              //登录成功
              //将用户存入session
              session.setAttribute("user", loginUser);
              //跳转页面
              response.sendRedirect(request.getContextPath() + "/index.jsp");
          }else {
              //登录失败
              //提示信息
              request.setAttribute("login_msg", "用户名或密码错误！");
              //跳转到登录页面
              request.getRequestDispatcher("/login.jsp").forward(request, response);
          }
  
      }
  
      @Override
      protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
          this.doPost(request, response);
      }
  }