src/main/java/com/example/registrationmanagementsystem/config/LoginHandlerInterceptor.java
(完整代码) 894Bpackage com.example.registrationmanagementsystem.config;
import com.example.registrationmanagementsystem.controller.UserController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class LoginHandlerInterceptor implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
Object loginUser = request.getSession().getAttribute("loginUser");
if (loginUser == null) {
request.setAttribute("msg","请先登录");
request.getRequestDispatcher("/index.html").forward(request,response);
return false;
}
return true;
}
}
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