数据库更新

src/com/hellogithub/servlet/retUserServlet.java

@@ -5,6 +5,7 @@ import com.hellogithub.entity.userEntity;
 import com.hellogithub.service.UserService;
 import jakarta.servlet.ServletConfig;
 import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
@@ -13,7 +14,7 @@ import jakarta.servlet.http.HttpSession;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.HashMap;
-
+@WebServlet("/retUser")
 public class retUserServlet extends HttpServlet {
     private UserService userService = new UserService();
     @Override