Merge branch 'master' of https://bdgit.educoder.net/zhailw/gdms into wlf

# Conflicts:
#	GDMS.iml
#	src/servlet/account/login.java

.idea/artifacts/GDMS_war_exploded.xml

@@ -7,6 +7,9 @@
         <element id="directory" name="classes">
           <element id="module-output" name="GDMS" />
         </element>
+        <element id="directory" name="lib">
+          <element id="file-copy" path="C:/Program Files/apache-tomcat-9.0.13/lib/tomcat-jdbc.jar" />
+        </element>
       </element>
     </root>
   </artifact>

src/servlet/S_TeacherSelectStudent.java

@@ -1,5 +1,6 @@
 package servlet;
 
+import core.process.C_TeacherSelectStudent;
 import core.user.User;
 
 import javax.servlet.ServletException;
@@ -14,6 +15,10 @@ public class S_TeacherSelectStudent extends HttpServlet {
         String teacher_id=request.getParameter("id");
         User user=(User)request.getSession().getAttribute("User");
         String student_id=user.getId();
-
+        try {
+            new C_TeacherSelectStudent().select(teacher_id,student_id);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 }