Init student

.idea/dataSources.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
-    <data-source source="LOCAL" name="@10.14.0.7" uuid="0c1ff8c3-597c-4b0b-8aed-28afff151eb1">
+    <data-source source="LOCAL" name="class@10.14.0.7" uuid="0c1ff8c3-597c-4b0b-8aed-28afff151eb1">
       <driver-ref>mysql.8</driver-ref>
       <synchronize>true</synchronize>
       <jdbc-driver>com.mysql.cj.jdbc.Driver</jdbc-driver>
-      <jdbc-url>jdbc:mysql://10.14.0.7:3306</jdbc-url>
+      <jdbc-url>jdbc:mysql://10.14.0.7:3306/class</jdbc-url>
       <working-dir>$ProjectFileDir$</working-dir>
     </data-source>
   </component>

Student/src/main/connect.properties

@@ -0,0 +1,2 @@
+host=127.0.0.1
+port=8888

Student/src/main/java/com/cfive/classroom/student/Center.form

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="com.cfive.classroom.student.Center">
-  <grid id="27dc6" binding="rootpanel2" layout-manager="GridLayoutManager" row-count="3" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+  <grid id="27dc6" binding="rootpanel" layout-manager="GridLayoutManager" row-count="3" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
     <margin top="50" left="50" bottom="50" right="50"/>
     <constraints>
       <xy x="20" y="20" width="500" height="400"/>
@@ -16,7 +16,7 @@
         <properties/>
         <border type="none"/>
         <children>
-          <component id="1a8f9" class="javax.swing.JButton" binding="button2">
+          <component id="1a8f9" class="javax.swing.JButton" binding="raiseHandButton">
             <constraints>
               <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false">
                 <preferred-size width="80" height="40"/>
@@ -41,17 +41,10 @@
               <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
             </constraints>
             <properties>
+              <font name="Microsoft YaHei" size="20" style="0"/>
               <text value="学号"/>
             </properties>
           </component>
-          <component id="24679" class="javax.swing.JTextField" binding="textField1" default-binding="true">
-            <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"/>
-              </grid>
-            </constraints>
-            <properties/>
-          </component>
           <component id="58188" class="javax.swing.JButton" binding="changePasswordButton">
             <constraints>
               <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
@@ -60,6 +53,16 @@
               <text value="修改密码"/>
             </properties>
           </component>
+          <component id="2c923" class="javax.swing.JTextField" binding="stuNoText">
+            <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"/>
+              </grid>
+            </constraints>
+            <properties>
+              <editable value="false"/>
+            </properties>
+          </component>
         </children>
       </grid>
       <grid id="9734" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
@@ -70,7 +73,7 @@
         <properties/>
         <border type="none"/>
         <children>
-          <component id="47a94" class="javax.swing.JButton" binding="Button1">
+          <component id="47a94" class="javax.swing.JButton" binding="signInButton">
             <constraints>
               <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false">
                 <preferred-size width="80" height="40"/>
@@ -97,7 +100,7 @@
               </grid>
             </constraints>
             <properties>
-              <text value="聊天"/>
+              <text value="留言"/>
             </properties>
           </component>
         </children>
@@ -115,10 +118,11 @@
               <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
             </constraints>
             <properties>
+              <font name="Microsoft YaHei" size="20" style="0"/>
               <text value="课程"/>
             </properties>
           </component>
-          <component id="8648e" class="javax.swing.JTextArea" binding="textArea1" default-binding="true">
+          <component id="8648e" class="javax.swing.JTextArea" binding="textClass">
             <constraints>
               <grid row="0" column="1" 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"/>
@@ -126,7 +130,7 @@
             </constraints>
             <properties/>
           </component>
-          <component id="ebeec" class="javax.swing.JButton" binding="连接Button" default-binding="true">
+          <component id="ebeec" class="javax.swing.JButton" binding="connectButton">
             <constraints>
               <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
             </constraints>

Student/src/main/java/com/cfive/classroom/student/Center.java

@@ -1,41 +1,90 @@
 package com.cfive.classroom.student;
 
+import com.cfive.classroom.library.database.DatabaseHelper;
+import com.cfive.classroom.library.database.util.NoConfigException;
+import com.cfive.classroom.library.net.StudentNet;
+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.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.Properties;
 
 public class Center {
-    private JButton Button1;
+    private static final Logger LOGGER = LogManager.getLogger();
-    private JButton button2;
+    private static final Center center = new Center();
+    private JButton signInButton;
+    private JButton raiseHandButton;
     private JButton chatButton;
-    private JPanel rootpanel2;
+    private JPanel rootpanel;
-    private JTextField textField1;
     private JButton changePasswordButton;
-    private JTextArea textArea1;
+    private JTextArea textClass;
-    private JButton 连接Button;
+    private JButton connectButton;
-    static JFrame frame = new JFrame("Center");
+    private JTextField stuNoText;
+    private static JFrame frame = new JFrame("Center");
+    private StudentNet studentNet;
+    private String host;
+    private int port;
+    private String signInCode;
+    private String stuNo;
+    private String stuName;
+    private MessageObject messageObject;
 
     public Center() {
+
+        //留言
         chatButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 Chat chat = new Chat();
-                chat.start();
+                chat.start(stuNo,stuName,studentNet);
             }
         });
+        //修改密码
         changePasswordButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 ChangePassword changePassword = new ChangePassword();
-                changePassword.start();
+                changePassword.start(stuNoText.getText());
-                frame.setVisible(false);
             }
         });
-        Button1.addActionListener(new ActionListener() {
+        //连接
+        connectButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                String code = JOptionPane.showInputDialog(null,"签到码：","签到",JOptionPane.PLAIN_MESSAGE);
+                Properties properties = new Properties();
-                if (code.equals("1234")) {
+                try {
+                    properties.load(new BufferedReader(new FileReader("Student/src/main/connect.properties")));
+                } catch (IOException ex) {
+                    throw new RuntimeException(ex);
+                }
+                host = properties.getProperty("host");
+                port = Integer.parseInt(properties.getProperty("port"));
+                try {
+                    studentNet = new StudentNet(host,port);
+                    JOptionPane.showMessageDialog(null, "连接成功");
+                } catch (IOException ex) {
+                    JOptionPane.showMessageDialog(null,"连接失败");
+                    LOGGER.error("IOException",ex);
+                }
+            }
+        });
+        //签到
+        signInButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                signInCode = JOptionPane.showInputDialog(null,"签到码：","签到",JOptionPane.PLAIN_MESSAGE);
+                studentNet.setOnReceiveListener(new ReceiveListener() {
+                    @Override
+                    public void onReceive(MessageObject messageObject) {
+                        if (messageObject.getCode().equals(signInCode)) {
                             JOptionPane.showMessageDialog(null, "签到成功");
                         } else {
                             JOptionPane.showMessageDialog(null,"签到失败");
@@ -43,19 +92,56 @@ public class Center {
                     }
                 });
             }
+        });
 
-    public void start(){
+        //举手
-        frame.setContentPane(new Center().rootpanel2);
+        raiseHandButton.addActionListener(new ActionListener() {
-        frame.setBounds(650,300,600,400);
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                messageObject = new MessageObject(stuNo, stuName, null, null, null,true);
+                studentNet.sendMessageThread(messageObject);
+                JOptionPane.showMessageDialog(null,"你已经向老师举手");
+            }
+        });
+        //随机抽人
+        studentNet.setOnReceiveListener(new ReceiveListener() {
+            @Override
+            public void onReceive(MessageObject messageObject) {
+                if (messageObject.isState()) {
+                    JOptionPane.showMessageDialog(null,"恭喜以下同学被选中:\n\t\n"+messageObject.getCount());
+                }
+            }
+        });
+    }
+
+
+    public void start(String num){
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setContentPane(center.rootpanel);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
         frame.setResizable(false);
         frame.setVisible(true);
+        center.stuNoText.setText(num);
+        stuNo = String.valueOf(stuNoText.getText());
+        stuName = getName();
+        LOGGER.info("学号"+stuNo);
+        LOGGER.info("姓名"+stuName);
+    }
+    //获取学生姓名
+    public String getName(){
+        String name = null;
+        try {
+            name=DatabaseHelper.selectFromStudent(Long.parseLong(stuNoText.getText())).getStuName();
+        } catch (NoConfigException e) {
+            JOptionPane.showMessageDialog(null,"没有数据库配置文件","警告",JOptionPane.ERROR_MESSAGE);
+            LOGGER.error("No configuration", e);
+        } catch (SQLException e) {
+            JOptionPane.showMessageDialog(null,"数据库出错","警告",JOptionPane.ERROR_MESSAGE);
+            LOGGER.error("SQLException",e);
+        }
+        return name;
     }
 
-    public static void main(String[] args) {
+
-        frame.setContentPane(new Center().rootpanel2);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        frame.setSize(600,400);
-        frame.setResizable(false);
-        frame.setVisible(false);
-    }
 }

Student/src/main/java/com/cfive/classroom/student/ChangePassword.form

@@ -55,7 +55,7 @@
         </children>
       </grid>
       <grid id="5650f" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
-        <margin top="0" left="0" bottom="0" right="0"/>
+        <margin top="0" left="0" bottom="0" right="50"/>
         <constraints>
           <grid row="0" 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>
@@ -63,7 +63,7 @@
         <border type="none"/>
         <children>
           <grid id="c0f31" layout-manager="GridLayoutManager" row-count="3" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
-            <margin top="0" left="0" bottom="0" right="0"/>
+            <margin top="0" left="0" bottom="0" right="20"/>
             <constraints>
               <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false">
                 <preferred-size width="120" height="74"/>
@@ -74,25 +74,28 @@
             <children>
               <component id="27845" class="javax.swing.JLabel">
                 <constraints>
-                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" 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="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
                 </constraints>
                 <properties>
+                  <font name="Microsoft YaHei" size="20" style="0"/>
                   <text value="学号"/>
                 </properties>
               </component>
               <component id="6c476" class="javax.swing.JLabel">
                 <constraints>
-                  <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+                  <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
                 </constraints>
                 <properties>
+                  <font name="Microsoft YaHei" size="20" style="0"/>
                   <text value="新密码"/>
                 </properties>
               </component>
               <component id="11d34" class="javax.swing.JLabel">
                 <constraints>
-                  <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+                  <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
                 </constraints>
                 <properties>
+                  <font name="Microsoft YaHei" size="20" style="0"/>
                   <text value="确认密码"/>
                 </properties>
               </component>
@@ -106,7 +109,7 @@
             <properties/>
             <border type="none"/>
             <children>
-              <component id="4802a" class="javax.swing.JTextField" binding="textField1" default-binding="true">
+              <component id="4802a" class="javax.swing.JTextField" binding="textNum">
                 <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"/>

Student/src/main/java/com/cfive/classroom/student/ChangePassword.java

@@ -1,58 +1,96 @@
 package com.cfive.classroom.student;
 
+import com.cfive.classroom.library.database.DatabaseHelper;
+import com.cfive.classroom.library.database.util.DependenciesNotFoundException;
+import com.cfive.classroom.library.database.util.NoConfigException;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 import javax.swing.*;
-import java.awt.event.ActionEvent;
+import java.security.NoSuchAlgorithmException;
-import java.awt.event.ActionListener;
+import java.security.spec.InvalidKeySpecException;
+import java.sql.SQLException;
 
 public class ChangePassword {
+    private static final Logger LOGGER = LogManager.getLogger();
+    private static final ChangePassword changePassword = new ChangePassword();
+
     private JPanel rootPanel;
-    private JTextField textField1;
+    private JTextField textNum;
     private JButton cancel;
     private JButton confirm;
     private JPasswordField passwordField1;
     private JPasswordField passwordField2;
+    private static JFrame frame = new JFrame("修改密码");
 
-    static JFrame frame = new JFrame("ChangePassword");
+    private String stuNo;
 
     public ChangePassword() {
         confirm.addActionListener(e -> {
             if(check()){
-                Center.frame.setVisible(true);
+                try {
-                frame.setVisible(false);
+                    DatabaseHelper.changePasswdInStudent(Long.parseLong(stuNo), passwordField1.getPassword().toString());
+                } catch (NoConfigException ex) {
+                    JOptionPane.showMessageDialog(null,"没有数据库配置文件","警告",JOptionPane.ERROR_MESSAGE);
+                    LOGGER.error("No configuration", e);
+                } catch (SQLException ex) {
+                    JOptionPane.showMessageDialog(null,"数据库出错","警告",JOptionPane.ERROR_MESSAGE);
+                    LOGGER.error("SQLException",e);
+                } catch (DependenciesNotFoundException ex) {
+                    LOGGER.error("DependenciesNotFoundException",e);
+                } catch (NoSuchAlgorithmException ex) {
+                    LOGGER.error("NoSuchAlgorithmException",e);
+                } catch (InvalidKeySpecException ex) {
+                    LOGGER.error("InvalidKeySpecException",e);
+                }
+                frame.dispose();
             }
         });
         cancel.addActionListener(e -> {
-            Center.frame.setVisible(true);
+            frame.dispose();
-            frame.setVisible(false);
         });
     }
 
-    public static void main(String[] args) {
 
-        frame.setContentPane(new ChangePassword().rootPanel);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        frame.setSize(600,400);
-        frame.setVisible(false);
-    }
-
-    public void start() {
-        frame.setContentPane(new ChangePassword().rootPanel);
-        frame.setBounds(650,300,600,400);
-        frame.setResizable(false);
-//        frame.pack();
-        frame.setVisible(true);
-    }
 
     private boolean check() {
-        String password1,password2;
+        String password1,password2,num;
+        num = String.valueOf(textNum.getText());
+
+        LOGGER.info("传入学号"+stuNo);
+        LOGGER.info(num);
+
         password1 = String.valueOf(passwordField1.getPassword());
         password2 = String.valueOf(passwordField2.getPassword());
+        if(num.equals(stuNo)){
             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,"学号非本人学号");
+            return false;
+        }
+    }
+
+
+    public void start(String stuNo) {
+        frame.setContentPane(changePassword.rootPanel);
+        frame.setSize(600,400);
+        frame.setLocationRelativeTo(null);
+        frame.setResizable(false);
+        frame.setVisible(true);
+        changePassword.stuNo = stuNo;
+        LOGGER.info(changePassword.stuNo);
+    }
+    public static void main(String[] args) {
+        frame.setContentPane(changePassword.rootPanel);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(600,400);
+        frame.setVisible(false);
+    }
 }

Student/src/main/java/com/cfive/classroom/student/Chat.form

@@ -8,7 +8,7 @@
     <properties/>
     <border type="none"/>
     <children>
-      <grid id="70cf5" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+      <grid id="70cf5" 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"/>
@@ -16,41 +16,42 @@
         <properties/>
         <border type="none"/>
         <children>
-          <grid id="2f7dd" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+          <grid id="2f7dd" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
             <margin top="0" left="0" bottom="0" right="0"/>
             <constraints>
-              <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+              <grid row="0" 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>
-              <component id="3ab11" class="javax.swing.JButton" binding="发送Button" default-binding="true">
+              <component id="3ab11" class="javax.swing.JButton" binding="sendButton">
                 <constraints>
-                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="9" fill="0" indent="0" use-parent-layout="false"/>
+                  <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="9" fill="0" indent="0" use-parent-layout="false">
+                    <preferred-size width="-1" height="50"/>
+                  </grid>
                 </constraints>
                 <properties>
                   <text value=" 发送"/>
                 </properties>
               </component>
-            </children>
+              <scrollpane id="a60c9">
-          </grid>
-          <grid id="f0f0b" 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="0" column="0" row-span="1" col-span="1" vsize-policy="3" 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="50"/>
+                  </grid>
                 </constraints>
                 <properties/>
                 <border type="none"/>
                 <children>
-              <component id="61378" class="javax.swing.JTextField" binding="textField1" default-binding="true">
+                  <component id="8c36e" class="javax.swing.JTextArea" binding="sendText">
-                <constraints>
+                    <constraints/>
-                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="9" fill="1" indent="0" use-parent-layout="false">
+                    <properties>
-                    <preferred-size width="150" height="-1"/>
+                      <editable value="true"/>
-                  </grid>
+                    </properties>
-                </constraints>
-                <properties/>
                   </component>
                 </children>
+              </scrollpane>
+            </children>
           </grid>
         </children>
       </grid>
@@ -58,13 +59,17 @@
         <constraints>
           <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"/>
         </constraints>
-        <properties/>
+        <properties>
+          <background color="-1"/>
+        </properties>
         <border type="none"/>
         <children>
-          <component id="13f7a" class="javax.swing.JTextArea" binding="textArea1" default-binding="true">
+          <component id="13f7a" class="javax.swing.JTextArea" binding="receiveText">
             <constraints/>
             <properties>
+              <background color="-1"/>
               <editable value="false"/>
+              <text value=""/>
             </properties>
           </component>
         </children>

Student/src/main/java/com/cfive/classroom/student/Chat.java

@@ -1,23 +1,55 @@
 package com.cfive.classroom.student;
 
+import com.cfive.classroom.library.net.ReceiveThread;
+import com.cfive.classroom.library.net.StudentNet;
+import com.cfive.classroom.library.net.util.MessageObject;
+import com.cfive.classroom.library.net.util.ReceiveListener;
+
 import javax.swing.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Properties;
 
 public class Chat {
+    private static final Chat chat = new Chat();
     private JPanel panel1;
-    private JTextField textField1;
+    private JButton sendButton;
-    private JButton 发送Button;
+    private JTextArea receiveText;
-    private JTextArea textArea1;
+    private JTextArea sendText;
-    static JFrame frame = new JFrame("test");
+    private static JFrame frame = new JFrame("留言");
-    public void start(){
+    private StudentNet studentNet;
-        frame.setContentPane(new Chat().panel1);
+    private String stuNo, stuName,host;
-        frame.setBounds(650,300,600,400);
+    private int port;
-        frame.setVisible(true);
-    }
-    public static void main(String[] args) {
 
+    public Chat() {
+
+        //发送消息
+        sendButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if(String.valueOf(sendText.getText())!=null) {
+                    studentNet.sendMessageThread(new MessageObject(stuNo, stuName, null, String.valueOf(sendText.getText()), null, false));
+                }
+                else{
+                    JOptionPane.showMessageDialog(null,"无发送内容");
+                }
+            }
+        });
+        //接收消息
+        studentNet.setOnReceiveListener(new ReceiveListener() {
+            @Override
+            public void onReceive(MessageObject messageObject) {
+                receiveText.setText("教师：\n"+messageObject.getMessage());
+            }
+        });
+    }
+    public void start(String num, String name,StudentNet studentNet1) {
         frame.setContentPane(new Chat().panel1);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(600, 400);
-//        frame.pack();
+        frame.setLocationRelativeTo(null);
-        frame.setVisible(false);
+        frame.setVisible(true);
+        chat.stuNo = num;
+        chat.stuName = name;
+        chat.studentNet = studentNet1;
     }
 }

Student/src/main/java/com/cfive/classroom/student/MainWindow.form

@@ -52,7 +52,7 @@
                   <text value="学号"/>
                 </properties>
               </component>
-              <component id="20676" class="javax.swing.JTextField" binding="textField1" default-binding="true">
+              <component id="20676" class="javax.swing.JTextField" binding="stuNoText">
                 <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"/>
@@ -72,7 +72,7 @@
             <properties/>
             <border type="none"/>
             <children>
-              <component id="2a28" class="javax.swing.JLabel">
+              <component id="2a28" class="javax.swing.JLabel" binding="password">
                 <constraints>
                   <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
                 </constraints>
@@ -81,7 +81,7 @@
                   <text value="密码"/>
                 </properties>
               </component>
-              <component id="59402" class="javax.swing.JPasswordField" binding="passwordField1" default-binding="true">
+              <component id="59402" class="javax.swing.JPasswordField" binding="passwordText">
                 <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"/>

Student/src/main/java/com/cfive/classroom/student/MainWindow.java

@@ -1,47 +1,78 @@
 package com.cfive.classroom.student;
 
+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.formdev.flatlaf.FlatLightLaf;
+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.WindowEvent;
+import java.security.NoSuchAlgorithmException;
+import java.security.spec.InvalidKeySpecException;
+import java.sql.SQLException;
 
 public class MainWindow{
-
+    private static final MainWindow mainWindow = new MainWindow();
     private JPanel rootPanel;
     private JLabel title;
-    private JTextField textField1;
+    private JTextField stuNoText;
-    private JPasswordField passwordField1;
+    private JPasswordField passwordText;
     private JButton login;
-    static JFrame frame = new JFrame("学生登录界面");
+    private JLabel password;
+    private static JFrame frame = new JFrame("学生登录界面");
+    private static final Logger LOGGER = LogManager.getLogger();
     public MainWindow() {
+        //登录按钮
         login.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 if(check()){
                     Center center = new Center();
-                    center.start();
+                    center.start(String.valueOf(stuNoText.getText()));
-                    frame.setVisible(false);
+                    frame.dispose();
                 }
             }
         });
-
     }
-
     public boolean check(){
-        String password = new String(passwordField1.getPassword());
+        String stuPassword = new String(passwordText.getPassword());
-        if (textField1.getText() == null || password.length() == 0) {
+        String stuNo = new String(stuNoText.getText());
+        LOGGER.info(Long.valueOf(stuNo));
+        //判断密码
+        if (stuNo.length() == 0 || stuPassword.length() == 0) {
             JOptionPane.showMessageDialog(null, "账号密码不能为空");
             return false;
         } else {
-            return true;
+            boolean checkPassword=false;
+            try {
+                checkPassword=DatabaseHelper.checkPasswdInStudent(Long.parseLong(stuNo),stuPassword);
+            } catch (NoConfigException e) {
+                JOptionPane.showMessageDialog(null,"没有数据库配置文件","警告",JOptionPane.ERROR_MESSAGE);
+                LOGGER.error("No configuration", e);
+            } catch (SQLException e) {
+                JOptionPane.showMessageDialog(null,"数据库出错","警告",JOptionPane.ERROR_MESSAGE);
+                LOGGER.error("SQLException",e);
+            } catch (DependenciesNotFoundException e) {
+                LOGGER.error("DependenciesNotFoundException",e);
+            } catch (NoSuchAlgorithmException e) {
+                LOGGER.error("NoSuchAlgorithmException",e);
+            } catch (InvalidKeySpecException e) {
+                LOGGER.error("InvalidKeySpecException",e);
+            }
+            return checkPassword;
         }
     }
-
     public static void main(String[] args) {
-
+        FlatLightLaf.setup();
-        frame.setContentPane(new MainWindow().rootPanel);
+        frame.setContentPane(mainWindow.rootPanel);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(600,400);
-//        frame.pack();
+        frame.setTitle("登录");
-        frame.setBounds(650,300,600,400);
+        frame.setLocationRelativeTo(null);
         frame.setVisible(true);
         frame.setResizable(false);
     }

Student/src/test/java/com/cfive/classroom/student/MyTest.java

@@ -0,0 +1,20 @@
+package com.cfive.classroom.student;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.junit.jupiter.api.Test;
+
+public class MyTest {
+    private static final Logger LOGGER = LogManager.getLogger();
+    @Test
+    void firstTest() {
+        LOGGER.info("This is a log");
+
+        try {
+            throw new Exception("exception");
+        } catch (Exception e) {
+            LOGGER.error("Err", e);
+        }
+    }
+
+}

mysql.properties

@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Thu Jun 09 22:24:30 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class