调整

src/servlet/S_StudentSelectTeacher.java

@@ -1,4 +1,4 @@
-package servlet.select;
+package servlet;
 
 import core.process.C_StudentSearchTeacher;
 import core.process.C_StudentSelectTeacher;
@@ -13,7 +13,7 @@ public class S_StudentSelectTeacher extends HttpServlet {
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         super.doPost(request, response);
         String student_id=request.getParameter("id");
-        User user=(User)request.getSession().getAttribute("User");
+        User user=(User)request.getSession().getAttribute("user");
         String teacher_id=user.getId();
         try {
             new C_StudentSelectTeacher().select(student_id,teacher_id);

src/servlet/S_TeacherSelectStudent.java

@@ -1,4 +1,4 @@
-package servlet.select;
+package servlet;
 
 import core.process.C_TeacherSelectStudent;
 import core.user.User;
@@ -13,7 +13,7 @@ public class S_TeacherSelectStudent extends HttpServlet {
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         super.doPost(request, response);
         String teacher_id=request.getParameter("id");
-        User user=(User)request.getSession().getAttribute("User");
+        User user=(User)request.getSession().getAttribute("user");
         String student_id=user.getId();
         try {
             new C_TeacherSelectStudent().select(teacher_id,student_id);

src/servlet/account/S_TeacherSelectStudent.java

@@ -1,19 +0,0 @@
-package servlet.account;
-
-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 java.io.IOException;
-
-@WebServlet(name = "S_TeacherSelectStudent")
-public class S_TeacherSelectStudent extends HttpServlet {
-    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
-    }
-
-    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
-    }
-}

src/servlet/account/login.java

@@ -31,12 +31,7 @@ public class login extends HttpServlet {
       } catch (Exception e) {
         e.printStackTrace();
       }
-    request.getSession().setAttribute("User",user);
+    request.getSession().setAttribute("user",user);
       request.getRequestDispatcher("/home.jsp").forward(request,response);
   }
-
-  protected void doGet(HttpServletRequest request, HttpServletResponse response)
-      throws ServletException, IOException {
-
-  }
 }

src/servlet/account/service.java

@@ -1,23 +0,0 @@
-package servlet.account;
-
-import java.io.IOException;
-
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-@WebServlet( "/service")
-public class service extends HttpServlet {
-  protected void doPost(HttpServletRequest request, HttpServletResponse response)
-      throws ServletException, IOException {
-    System.out.print(request.getParameter("id"));
-
-  }
-
-  protected void doGet(HttpServletRequest request, HttpServletResponse response)
-      throws ServletException, IOException {
-
-  }
-}