TeacherUI reModify

Teacher/src/main/java/com/cfive/classroom/teacher/Attendance.java

@@ -45,7 +45,8 @@ public class Attendance {
 
     public static void main(String[] args) {
         frame.setContentPane(attendance.rootPanel);
-        frame.setBounds(600,400,600,400);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.pack();
         frame.setVisible(false);
@@ -53,7 +54,8 @@ public class Attendance {
     }
     public  void start(){
         frame.setContentPane(attendance.rootPanel);
-        frame.setBounds(600,400,600,400);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
         frame.setResizable(false);
         DefaultTableModel alreadyTableModel=new DefaultTableModel(data,t1_columnTitle);
         alreadyTableModel.setColumnCount(3);

Teacher/src/main/java/com/cfive/classroom/teacher/ChangePassword.form

@@ -106,7 +106,7 @@
             <properties/>
             <border type="none"/>
             <children>
-              <component id="4802a" class="javax.swing.JTextField" binding="workNo">
+              <component id="4802a" class="javax.swing.JTextField" binding="workNo_input">
                 <constraints>
                   <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
                     <preferred-size width="150" height="-1"/>

Teacher/src/main/java/com/cfive/classroom/teacher/ChangePassword.java

@@ -3,12 +3,14 @@ package com.cfive.classroom.teacher;
 import javax.swing.*;
 
 public class ChangePassword {
+    private static final ChangePassword changePassword=new ChangePassword();
     private JPanel rootPanel;
-    private JTextField workNo;
+    private JTextField workNo_input;
     private JButton cancel;
     private JButton confirm;
     private JPasswordField passwordField1;
     private JPasswordField passwordField2;
+    private  String workNo,password1,password2;
 
     static JFrame frame = new JFrame("ChangePassword");
 
@@ -26,31 +28,38 @@ public class ChangePassword {
 
     public static void main(String[] args) {
 
-        frame.setContentPane(new ChangePassword().rootPanel);
+        frame.setContentPane(changePassword.rootPanel);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setSize(600,400);
         frame.setVisible(false);
     }
 
-    public void start() {
+    public void start(String workNo) {
-        frame.setContentPane(new ChangePassword().rootPanel);
+        frame.setContentPane(changePassword.rootPanel);
         frame.setSize(600,400);
         frame.setLocationRelativeTo(null);
         frame.setResizable(false);
-//        frame.pack();
+        changePassword.workNo=workNo;
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         frame.setVisible(true);
     }
 
     private boolean check() {
-        String password1,password2;
+        password1 = String.valueOf(changePassword.passwordField1.getPassword());
-        password1 = String.valueOf(passwordField1.getPassword());
+        password2 = String.valueOf(changePassword.passwordField2.getPassword());
-        password2 = String.valueOf(passwordField2.getPassword());
+        if(String.valueOf(changePassword.workNo_input.getText()).equals(workNo))
+        {
             if (password1.length()==0 || password2.length()==0) {
                 JOptionPane.showMessageDialog(null,"输入的密码为空");
                 return false;
-        } else if (password1.equals(password2) == false) {
+            } else if (!password1.equals(password2)) {
                 JOptionPane.showMessageDialog(null, "两次输入密码不同");
                 return false;
             } else return true;
+        }else {
+            JOptionPane.showMessageDialog(null, "请输入正确的工号");
+            return false;
+        }
+
     }
 }

Teacher/src/main/java/com/cfive/classroom/teacher/CheckIn.java

@@ -83,9 +83,10 @@ public class CheckIn {
     }
     public  void start(){
         frame.setContentPane(checkIn.rootPanel);
-        frame.setBounds(600,400,600,400);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
         frame.setResizable(false);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         frame.setVisible(true);
     }
 }

Teacher/src/main/java/com/cfive/classroom/teacher/ClassList.form

@@ -32,7 +32,7 @@
             </constraints>
             <properties>
               <font name="Microsoft YaHei" size="28" style="1"/>
-              <text value="选择您所要进入的班级"/>
+              <text value="选择您所要进入的课程"/>
             </properties>
           </component>
           <vspacer id="3777c">

Teacher/src/main/java/com/cfive/classroom/teacher/ClassList.java

@@ -1,9 +1,23 @@
 package com.cfive.classroom.teacher;
 
+import com.cfive.classroom.library.database.DatabaseHelper;
+import com.cfive.classroom.library.database.bean.Course;
+import com.cfive.classroom.library.database.util.DependenciesNotFoundException;
+import com.cfive.classroom.library.database.util.NoConfigException;
+import com.cfive.classroom.library.net.TeacherNet;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-import java.awt.event.ItemListener;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
 
 public class ClassList {
     private static final ClassList classlist=new ClassList();
@@ -12,13 +26,31 @@ public class ClassList {
     private JButton Button1;
     private JComboBox comboBox;
     private JPanel selectPanel;
-    private String workerNo,className;
+    private String workerNo, subName;
+    private List<Course> courseList;
+    private static final Logger LOGGER = LogManager.getLogger();
+    private TeacherNet teacherNet;
     public ClassList() {
         Button1.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                className=(String) classlist.comboBox.getSelectedItem();
+                subName =(String) classlist.comboBox.getSelectedItem();
-                Main.start(classlist.workerNo,classlist.className);
+                //从配置文件中读取端口号并传参到主界面
+                Properties properties = new Properties();
+                try {
+                    properties.load(new BufferedReader(new FileReader("Teacher/src/main/connect.properties")));
+                } catch (IOException ex) {
+                    throw new RuntimeException(ex);
+                }
+                LOGGER.info(properties.getProperty("port"));
+                try {
+                    teacherNet = new TeacherNet(Integer.valueOf(properties.getProperty("port")));
+                } catch (IOException ex) {
+                    throw new RuntimeException(ex);
+                }
+                if(subName!=null){
+                    Main.start(classlist.workerNo,classlist.subName,teacherNet);
+                }
                 frame.setVisible(false);
             }
         });
@@ -37,11 +69,24 @@ public class ClassList {
         frame.setLocationRelativeTo(null);
         frame.setResizable(false);
         classlist.workerNo=workerNo;
-        classlist.comboBox.addItem("20软工3班");
+        //添加下拉列表的内容：该教师所教的科目名
-        classlist.comboBox.addItem("20软工4班");
+        try {
-        classlist.comboBox.addItem("20软工5班");
+            courseList=DatabaseHelper.queryCourses(Long.valueOf(classlist.workerNo));
-        classlist.comboBox.addItem("20软工6班");
+            if(courseList!=null){
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                Iterator<Course> iterator = courseList.iterator();  //使用迭代器进行遍历
+                while(iterator.hasNext()){
+                    String subName = iterator.next().getSubject().getSubName();
+                    classlist.comboBox.addItem(subName);
+                }
+            }
+        } catch (NoConfigException e) {
+            throw new RuntimeException(e);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        } catch (DependenciesNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         frame.setVisible(true);
     }
 

Teacher/src/main/java/com/cfive/classroom/teacher/Main.form

@@ -24,7 +24,7 @@
             <properties/>
             <border type="none"/>
             <children>
-              <component id="c9e8c" class="javax.swing.JTextField" binding="className">
+              <component id="c9e8c" class="javax.swing.JTextField" binding="subName_show">
                 <constraints>
                   <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="9" fill="1" indent="0" use-parent-layout="false">
                     <preferred-size width="150" height="-1"/>
@@ -41,7 +41,7 @@
                 </constraints>
                 <properties>
                   <font name="Microsoft YaHei" size="24" style="1"/>
-                  <text value="班级："/>
+                  <text value="课程："/>
                 </properties>
               </component>
               <hspacer id="41901">
@@ -115,7 +115,7 @@
                 <properties/>
                 <border type="none"/>
                 <children>
-                  <component id="2d479" class="javax.swing.JTextField" binding="workNo">
+                  <component id="2d479" class="javax.swing.JTextField" binding="workNo_show">
                     <constraints>
                       <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
                         <preferred-size width="150" height="-1"/>

Teacher/src/main/java/com/cfive/classroom/teacher/Main.java

@@ -1,9 +1,22 @@
 package com.cfive.classroom.teacher;
 
+import com.cfive.classroom.library.database.DatabaseHelper;
+import com.cfive.classroom.library.database.bean.Student;
+import com.cfive.classroom.library.database.util.DependenciesNotFoundException;
+import com.cfive.classroom.library.database.util.NoConfigException;
+import com.cfive.classroom.library.net.TeacherNet;
+import com.cfive.classroom.library.net.util.MessageObject;
+import com.cfive.classroom.library.net.util.ReceiveListener;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.sql.SQLException;
 import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
 
 public class Main {
     private static final Main main=new Main();
@@ -15,17 +28,24 @@ public class Main {
     private JButton bt_sendMessage;
 
     private JButton changePasswordButton;
-    private JTextField workNo;
+    private JTextField workNo_show;
-    private JTextField className;
+    private JTextField subName_show;
+    private String workNo,subName;
+    private List<Student> studentList;
+    private String[] student;
+    private static final Logger LOGGER = LogManager.getLogger();
+    private TeacherNet teacherNet;
 
     public Main() {
+        //发送消息按钮的监听
         bt_sendMessage.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 SendMessage sendMessage=new SendMessage();
-                sendMessage.start();
+                sendMessage.start(teacherNet);
             }
         });
+        //发布签到按钮的监听
         bt_checkIn.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
@@ -33,6 +53,7 @@ public class Main {
                 checkIn.start();
             }
         });
+        ////考勤情况按钮的监听
         bt_attendance.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
@@ -40,43 +61,78 @@ public class Main {
                 attendance.start();
             }
         });
+        ////随机选人按钮的监听
         bt_select.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 int person;
                 String count;
-                Object[] possibleValues = {"提问1个同学", "提问2个同学", "提问3个同学", "提问4个同学", "提问5个同学", "提问6个同学", "提问7个同学"};
+                Object[] dropList = {"提问1个同学", "提问2个同学", "提问3个同学", "提问4个同学", "提问5个同学", "提问6个同学", "提问7个同学"};
                 Object selectedValue = JOptionPane.showInputDialog(null, "选择提问同学个数", "随机选人，持续工作中...",
-                        JOptionPane.INFORMATION_MESSAGE, null, possibleValues, possibleValues[0]);
+                        JOptionPane.INFORMATION_MESSAGE, null, dropList, dropList[0]);  //下拉列表的内容：选择提问的人数
                 while (true) {
                     count = "";
-                    String substring = selectedValue.toString().substring(2, 3);
+                    String substring = selectedValue.toString().substring(2, 3);    //获取所选择的人数转化成int类型
                     int i = Integer.parseInt(substring);
-                    String[] arr = new String[i];
+                    String[] arr = new String[i];   //new一个该数长度的String数组
+
+                    try {
+                        studentList = DatabaseHelper.selectStudentsFromCourse(DatabaseHelper.selectFromSubject(subName).getSubID());
+                        if(studentList!=null){
                             for (int j = 0; j < i; ) {
                                 //随机得到的数值
-                        person = (int) (Math.random() * 10);
+                                person = (int) (Math.random() * studentList.size());
-                        //遍历数组对
+                                //将该数组转化为列表，并看该列表是否包含该随机数，没有则添加进去
                                 if (!Arrays.asList(arr).contains(String.valueOf(person))) {
                                     arr[j] = String.valueOf(person);
                                     j++;
                                 }
                             }
-                    String[] arr2 = {"小白 ", "小红 ", "小黑 ", "小绿 ", "小宗 ", "小橙 ", "小黄 ", "小青 ", "小蓝 ", "小紫 ", };
+                            Iterator<Student> iterator = studentList.iterator();
-                    for (int s = 0; s < arr.length; s++) {
+                            while (iterator.hasNext()){
-                        person = Integer.parseInt(arr[s]);
+                                student=new String[studentList.size()];
-                        count += arr2[person];
+                                for(int k=0;k< studentList.size();k++){
+                                    student[k]=iterator.next().getStuName();
+                                }
+
+                            }
+                            for (int s = 0; s < arr.length; s++) {  //遍历该数组并把每一个随机数所对应的人放到count中
+                                person = Integer.parseInt(arr[s]);
+                                count +=student[person];
+                            }
+                            JOptionPane.showMessageDialog(null, "恭喜以下同学被选中：\n\t\n" + count);
+                            //将选人结果群发出去
+                            teacherNet.sendAllMessage(new MessageObject(null,null,null,null,count,true));
                         }
-                    JOptionPane.showMessageDialog(null, "恭喜以下同学，获得了本次回答问题的机会\n\t\n" + count);
                         break;
+                    } catch (DependenciesNotFoundException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (NoConfigException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (SQLException ex) {
+                        throw new RuntimeException(ex);
+                    }
+
                 }
             }
         });
+        //修改密码按钮的监听
         changePasswordButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 ChangePassword changePassword=new ChangePassword();
-                changePassword.start();
+                changePassword.start(main.workNo);
+            }
+        });
+
+        //学生端举手监听
+        teacherNet.setOnReceiveListener(new ReceiveListener() {
+            @Override
+            public void onReceive(MessageObject messageObject) {
+                if (messageObject.isState()) {
+                    JOptionPane.showMessageDialog(null,messageObject.getStuName()+" 举手了","温馨提示！",JOptionPane.INFORMATION_MESSAGE);
+                    messageObject.setState(false);
+                }
             }
         });
     }
@@ -88,13 +144,17 @@ public class Main {
         frame.setVisible(false);
     }
 
-    public static void start(String workerNo,String className){
+    public static void start(String workerNo, String subName, TeacherNet teacherNet1){
         frame.setContentPane(main.rootPanel);
         frame.setSize(600,400);
         frame.setLocationRelativeTo(null);
         frame.setResizable(false);
-        main.workNo.setText(workerNo);
+        main.workNo=workerNo;
-        main.className.setText(className);
+        main.subName=subName;
+        main.teacherNet = teacherNet1;
+        //开启主界面即读取端口号
+        main.workNo_show.setText(workerNo);
+        main.subName_show.setText(subName);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setVisible(true);
     }

Teacher/src/main/java/com/cfive/classroom/teacher/SendMessage.form

@@ -16,35 +16,22 @@
         <properties/>
         <border type="none"/>
         <children>
-          <component id="aa5a2" class="javax.swing.JTextPane" binding="textPane1" default-binding="true">
-            <constraints>
-              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="6" anchor="0" fill="3" indent="0" use-parent-layout="false">
-                <preferred-size width="150" height="50"/>
-              </grid>
-            </constraints>
-            <properties>
-              <editable value="false"/>
-            </properties>
-          </component>
-          <grid id="855b2" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
-            <margin top="0" left="0" bottom="0" right="0"/>
-            <constraints>
-              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
-            </constraints>
-            <properties/>
-            <border type="none"/>
-            <children/>
-          </grid>
           <scrollpane id="ac4d">
             <constraints>
-              <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false">
+                <preferred-size width="-1" height="120"/>
+              </grid>
             </constraints>
             <properties/>
             <border type="none"/>
             <children>
-              <component id="7754d" class="javax.swing.JTextArea" binding="textArea1" default-binding="true">
+              <component id="9bbcf" class="javax.swing.JTextArea" binding="messageShow">
                 <constraints/>
-                <properties/>
+                <properties>
+                  <background color="-1"/>
+                  <editable value="false"/>
+                  <foreground color="-16777216"/>
+                </properties>
               </component>
             </children>
           </scrollpane>
@@ -58,7 +45,7 @@
             <children>
               <component id="e278e" class="javax.swing.JButton" binding="bt_send">
                 <constraints>
-                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
                 </constraints>
                 <properties>
                   <text value="发送"/>
@@ -66,6 +53,28 @@
               </component>
             </children>
           </grid>
+          <scrollpane id="d088a">
+            <constraints>
+              <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <component id="faa35" class="javax.swing.JTextArea" binding="messageInput">
+                <constraints/>
+                <properties/>
+              </component>
+            </children>
+          </scrollpane>
+          <grid id="855b2" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+            <margin top="0" left="0" bottom="0" right="0"/>
+            <constraints>
+              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children/>
+          </grid>
         </children>
       </grid>
     </children>

Teacher/src/main/java/com/cfive/classroom/teacher/SendMessage.java

@@ -1,5 +1,7 @@
 package com.cfive.classroom.teacher;
 
+import com.cfive.classroom.library.net.TeacherNet;
+
 import javax.swing.*;
 
 public class SendMessage {
@@ -7,9 +9,10 @@ public class SendMessage {
 
     private static  JFrame frame = new JFrame("SendMessage");
     private JPanel rootPanel;
-    private JTextPane textPane1;
+    private JTextArea messageInput;
-    private JTextArea textArea1;
     private JButton bt_send;
+    private JTextArea messageShow;
+    private TeacherNet teacherNet;
 
     public static void main(String[] args) {
         frame.setContentPane(sendMessage.rootPanel);
@@ -18,11 +21,13 @@ public class SendMessage {
         frame.setVisible(false);
     }
 
-    public  void start(){
+    public  void start(TeacherNet teacherNet1){
         frame.setContentPane(sendMessage.rootPanel);
-        frame.setBounds(600,400,600,400);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
         frame.setResizable(false);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         frame.setVisible(true);
+        sendMessage.teacherNet = teacherNet1;
     }
 }

Teacher/src/main/java/com/cfive/classroom/teacher/SignIn.form

@@ -55,7 +55,7 @@
                   <text value="工号"/>
                 </properties>
               </component>
-              <component id="64a15" class="javax.swing.JTextField" binding="workerNo">
+              <component id="64a15" class="javax.swing.JTextField" binding="workerNo_input">
                 <constraints>
                   <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
                     <preferred-size width="150" height="-1"/>
@@ -84,7 +84,7 @@
                   <text value="密码"/>
                 </properties>
               </component>
-              <component id="5357c" class="javax.swing.JPasswordField" binding="password">
+              <component id="5357c" class="javax.swing.JPasswordField" binding="password_input">
                 <constraints>
                   <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
                     <preferred-size width="150" height="-1"/>

Teacher/src/main/java/com/cfive/classroom/teacher/SignIn.java

@@ -1,21 +1,30 @@
 package com.cfive.classroom.teacher;
 
-import com.formdev.flatlaf.FlatDarculaLaf;
+import com.cfive.classroom.library.database.DatabaseHelper;
+import com.cfive.classroom.library.database.bean.Course;
+import com.cfive.classroom.library.database.util.DependenciesNotFoundException;
+import com.cfive.classroom.library.database.util.NoConfigException;
 import com.formdev.flatlaf.FlatLightLaf;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import javax.swing.*;
-import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.security.NoSuchAlgorithmException;
+import java.security.spec.InvalidKeySpecException;
+import java.sql.SQLException;
+import java.util.List;
 
 public class SignIn {
     private static final SignIn sigIn = new SignIn();
     private static final JFrame frame = new JFrame("教师端");;
     private JPanel rootJPanel;
     private JButton login_Button;
-    private JTextField workerNo;
+    private JTextField workerNo_input;
-    private JPasswordField password;
+    private JPasswordField password_input;
-
+    private String workerNo,password;
+    private static final Logger LOGGER = LogManager.getLogger();
     public static void main(String[] args) {
         FlatLightLaf.setup();
 
@@ -26,14 +35,33 @@ public class SignIn {
         sigIn.login_Button.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                if(!sigIn.workerNo.getText().isEmpty()&&!sigIn.password.getText().isEmpty()){
+                sigIn.workerNo=String.valueOf(sigIn.workerNo_input.getText());
+                sigIn.password=String.valueOf(sigIn.password_input.getPassword());
+                if(sigIn.workerNo.length()==0||sigIn.password.length()==0){         //判断用户名和密码是否为空
+                    JOptionPane.showMessageDialog(null,"用户名和密码不能为空","提示！！",JOptionPane.ERROR_MESSAGE);
+                }else{
+                    try {
+                        if(DatabaseHelper.checkPasswdInTeacher(Long.valueOf(sigIn.workerNo), sigIn.password)){
                             ClassList classList = new ClassList();
-                    String test=sigIn.workerNo.getText().toString();
+                            String test=sigIn.workerNo_input.getText().toString();
                             classList.start(test);
                             frame.setVisible(false);
                         }else {
+                            JOptionPane.showMessageDialog(null,"密码错误，请重新输入","错误！！",JOptionPane.ERROR_MESSAGE);
+                        }
+                    } catch (NoConfigException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (SQLException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (DependenciesNotFoundException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (NoSuchAlgorithmException ex) {
+                        throw new RuntimeException(ex);
+                    } catch (InvalidKeySpecException ex) {
+                        throw new RuntimeException(ex);
+                    }
+
 
-                    JOptionPane.showMessageDialog(null,"用户名和密码不能为空","提示！！",JOptionPane.ERROR_MESSAGE);
                 }
 
             }