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nxist2202005055:student
nxist2202005055:user
nxist2202005055:course
nxist2202005055:attendance
nxist2202005055:score
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compare: nxist2202005055:attendance
Branches Tags
nxist2202005055:student
nxist2202005055:user
nxist2202005055:course
nxist2202005055:attendance
nxist2202005055:score

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course ... attendance

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kecheng/.settings/org.eclipse.core.resources.prefs → Coursels/.settings/org.eclipse.core.resources.prefs
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15
kecheng/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="src"/>
<classpathentry kind="lib" path="D:/个人/下载/mysql-connector-java-8.0.16.jar">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="bin"/>
</classpath>

17
kecheng/.project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>kecheng</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

14
kecheng/.settings/org.eclipse.jdt.core.prefs
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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
org.eclipse.jdt.core.compiler.compliance=17
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
org.eclipse.jdt.core.compiler.debug.localVariable=generate
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
org.eclipse.jdt.core.compiler.release=enabled
org.eclipse.jdt.core.compiler.source=17

15
kecheng/src/com/system/dao/CourseDao.java
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package com.system.dao;
import java.sql.SQLException;
import java.util.List;
import com.system.javaBean.Course;
public interface CourseDao {
public Course selectByCno(int cno) throws SQLException;
public List<Course> courseRes() throws Exception;
public boolean insert(String cno, String cname, String ccredit, String ctime) throws SQLException;
public boolean delete(String cno) throws SQLException;
public Course select(String cno) throws SQLException;
public boolean update(String cno, String cname, String ccredit, String ctime) throws SQLException;
}

151
kecheng/src/com/system/impl/Courseimpl.java
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package com.system.impl;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import com.system.javaBean.Course;
import com.system.utils.DB;
public class Courseimpl {
Connection conn = null;
DB dataBase = new DB();
// 按照课程号进行查询
public Course selectByCno(int cno) throws SQLException {
conn = dataBase.getConnection();
Statement stat = null;
ResultSet rs = null;
String sql = "SELECT * FROM course where Cno = " + cno;
stat = conn.createStatement();
rs = stat.executeQuery(sql);
Course course = new Course();
while (true) {
if (rs.next()) {
course.setCnum(rs.getString("Cnum"));
course.setCno(rs.getString("Cno"));
course.setCname(rs.getString("Cname"));
course.setCcredit(rs.getString("Ccredit"));
course.setCtime(rs.getString("Ctime"));
} else
break;
}
conn.close();
return course;
}
//课程信息
public List<Course> courseRes() throws Exception {
List<Course> courses = new ArrayList<>();
Course course;
conn = dataBase.getConnection();
Statement stat = null;
ResultSet rs = null;
stat = conn.createStatement();
String sql = "SELECT * FROM course";
rs = stat.executeQuery(sql);
while (true) {
if ( rs.next() ) {
course = new Course();
course.setCnum( rs.getString("Cnum") );
course.setCno( rs.getString("Cno") );
course.setCname( rs.getString("Cname") );
course.setCcredit( rs.getString("Ccredit") );
course.setCtime( rs.getString("Ctime") );
courses.add(course);
}else
break;
}
conn.close();
return courses;
}
//增加课程
public boolean insert(String cno, String cname, String ccredit, String ctime) throws SQLException {
try {
conn = dataBase.getConnection();
Statement stat = null;
stat = conn.createStatement();
String sql = "SELECT * FROM course WHERE cno = '"+cno+"'";
if ( stat.executeQuery(sql).next() ) {
return false;
}
sql = "INSERT INTO course (cno,cname,ccredit,ctime)"
+ " VALUES ( '"+cno+"','"+cname+"', '"+ccredit+"' ,'"+ctime+"')";
if ( stat.executeUpdate(sql)==1 ){
return true;
}
} catch (Exception e) {
e.printStackTrace();
}
conn.close();
return false;
}
//删除课程
public boolean delete(String cno) throws SQLException {
try {
conn = dataBase.getConnection();
Statement stat = null;
stat = conn.createStatement();
String sql = "DELETE FROM course WHERE cno = '"+cno+"' ";
if ( stat.executeUpdate(sql)==1 ){
return true;
}
} catch (Exception e) {
e.printStackTrace();
}
conn.close();
return false;
}
//查询课程
public Course select(String cno) throws SQLException {
try {
conn = dataBase.getConnection();
Statement stat = null;
stat = conn.createStatement();
ResultSet rs = null;
Course course = null;
String sql = "SELECT * FROM course WHERE cno = '"+cno+"' ";
rs = stat.executeQuery(sql);
if ( rs.next() ){
course = new Course();
course.setCno( rs.getString("Cno") );
course.setCname( rs.getString("Cname") );
course.setCcredit( rs.getString("Ccredit") );
course.setCtime( rs.getString("Ctime") );
return course;
}
} catch (Exception e) {
e.printStackTrace();
}
conn.close();
return null;
}
//更新课程
public boolean update(String cno, String cname, String ccredit, String ctime) throws SQLException {
try {
conn = dataBase.getConnection();
Statement stat = null;
stat = conn.createStatement();
String sql = "UPDATE course SET Cno = '"+cno+"', Cname = '"+cname+"', Ccredit = '"+ccredit+"', Ctime = '"+ctime+"' "
+ "WHERE Cno = '"+cno+"' ";
if ( stat.executeUpdate(sql)==1 ){
return true;
}
} catch (Exception e) {
e.printStackTrace();
}
conn.close();
return false;
}
}

102
kecheng/src/com/system/impl/DB.java
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package com.system.impl;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class DB {
// 数据库地址
private String Driver_name = "jdbc:mysql://localhost:3306/student_a?serverTimezone=Asia/Shanghai&useSSL=false";
// 数据库用户名
private String USER = "root";
// 数据库密码
private String PASS = "852456";
// 数据库连接
public static Connection con;
// 构造方法
public DB() {
try {
// 加载驱动
Class.forName("com.mysql.cj.jdbc.Driver");
// 获取连接
con = DriverManager.getConnection(Driver_name, USER, PASS);
} catch (Exception e) {
e.printStackTrace();
}
}
// 获取连接
public static Connection getConnection() {
if (con == null) {
new DB();
}
return con;
}
// 释放连接
public static void close(ResultSet resultSet, Statement statement, Connection connection) {
if (resultSet != null) {
try {
resultSet.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (statement != null) {
try {
statement.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
// 释放连接
public static void close(Statement statement, Connection connection) {
if (statement != null) {
try {
statement.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
// 释放连接
public static void close(Connection connection) {
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}

70
kecheng/src/com/system/javaBean/Course.java
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package com.system.javaBean;
public class Course {
private String cnum;
private String cno;
private String cname;
private String ccredit;
private String ctime;
public Course() {
super();
}
public Course(String cnum, String cno, String cname, String ccredit, String ctime) {
super();
this.cnum = cnum;
this.cno = cno;
this.cname = cname;
this.ccredit = ccredit;
this.ctime = ctime;
}
public String getCnum() {
return cnum;
}
public void setCnum(String cnum) {
this.cnum = cnum;
}
public String getCno() {
return cno;
}
public void setCno(String cno) {
this.cno = cno;
}
public String getCname() {
return cname;
}
public void setCname(String cname) {
this.cname = cname;
}
public String getCcredit() {
return ccredit;
}
public void setCcredit(String ccredit) {
this.ccredit = ccredit;
}
public String getCtime() {
return ctime;
}
public void setCtime(String ctime) {
this.ctime = ctime;
}
@Override
public String toString() {
return "Course [cnum=" + cnum + ", cno=" + cno + ", cname=" + cname + ", ccredit=" + ccredit + ", ctime="
+ ctime + "]";
}
}

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kecheng/src/com/system/view/Bg.java
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package com.system.view;
import java.awt.Color;
import java.awt.Font;
import java.awt.SystemColor;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;
public class Bg extends JFrame {
private JPanel contentPane;
private JPanel panel_2; // 学生模块
private JPanel panel_3; // 成绩模块
private JPanel panel_4; // 课程模块
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// BgAdmin frame = new BgAdmin();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public Bg(String flag) {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 933, 586);
contentPane = new JPanel();
contentPane.setBackground(Color.WHITE);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JPanel panel = new JPanel();
panel.setBackground(SystemColor.activeCaption);
panel.setBounds(0, 0, 917, 53);
contentPane.add(panel);
panel.setLayout(null);
JLabel label = new JLabel("学生信息管理系统");
label.setHorizontalAlignment(SwingConstants.CENTER);
label.setFont(new Font("微软雅黑", Font.BOLD, 16));
label.setBounds(371, 10, 213, 33);
panel.add(label);
JPanel panel_1 = new JPanel();
panel_1.setBackground(SystemColor.activeCaptionBorder);
panel_1.setBounds(0, 52, 166, 495);
contentPane.add(panel_1);
panel_1.setLayout(null);
JLabel lblNewLabel = new JLabel("学生模块");
lblNewLabel.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg0) {
if (flag.equals("admin")) {
// 管理员端
setVisible(false);
new StudentOpetion("admin").setVisible(true);
} else {
// 学生端
setVisible(false);
new StudentOpetion("学生").setVisible(true);
}
}
});
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setBounds(0, 0, 166, 58);
panel_1.add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("成绩模块");
lblNewLabel_1.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (flag.equals("admin")) {
// 管理员端
setVisible(false);
new ScoreOperation("admin").setVisible(true);
} else {
// 学生端
setVisible(false);
new ScoreOperation("学生").setVisible(true);
}
}
});
lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1.setBounds(0, 63, 166, 58);
panel_1.add(lblNewLabel_1);
JLabel lblNewLabel_2 = new JLabel("课程模块");
lblNewLabel_2.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (flag.equals("admin")) {
// 管理员端
setVisible(false);
new CourseOperation("admin").setVisible(true);
} else {
// 学生端
setVisible(false);
new CourseOperation("学生").setVisible(true);
}
}
});
lblNewLabel_2.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_2.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_2.setBounds(0, 131, 166, 58);
panel_1.add(lblNewLabel_2);
JLabel lblNewLabel_3 = new JLabel("退出系统");
lblNewLabel_3.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg0) {
System.exit(0);
}
});
lblNewLabel_3.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_3.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_3.setBounds(0, 199, 166, 58);
panel_1.add(lblNewLabel_3);
}
}

157
kecheng/src/com/system/view/CourseAdd.java
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package com.system.view;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import com.system.dao.CourseDao;
public class CourseAdd extends Bg {
private JPanel contentPane;
private JTextField cnoField;
private JTextField cnameField;
private JTextField ccreditField;
private JTextField ctimeField;
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// CourseAdd frame = new CourseAdd();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public CourseAdd(String a) {
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setBounds(100, 100, 450, 300);
// contentPane = new JPanel();
// contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
// contentPane.setLayout(new BorderLayout(0, 0));
// setContentPane(contentPane);
super(a);
JPanel panel = new JPanel();
panel.setBackground(Color.WHITE);
panel.setBounds(165, 52, 752, 495);
getContentPane().add(panel);
panel.setLayout(null);
JLabel lblNewLabel = new JLabel("添加课程");
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 18));
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setBounds(263, 47, 217, 37);
panel.add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("课程号：");
lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1.setBounds(216, 94, 83, 37);
panel.add(lblNewLabel_1);
JLabel lblNewLabel_1_1 = new JLabel("课程名：");
lblNewLabel_1_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1_1.setBounds(216, 161, 83, 37);
panel.add(lblNewLabel_1_1);
JLabel lblNewLabel_1_2 = new JLabel("学分：");
lblNewLabel_1_2.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1_2.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1_2.setBounds(216, 229, 83, 37);
panel.add(lblNewLabel_1_2);
JLabel lblNewLabel_1_2_1 = new JLabel("学时：");
lblNewLabel_1_2_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1_2_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1_2_1.setBounds(216, 292, 83, 37);
panel.add(lblNewLabel_1_2_1);
cnoField = new JTextField();
cnoField.setBounds(297, 94, 271, 37);
panel.add(cnoField);
cnoField.setColumns(10);
cnameField = new JTextField();
cnameField.setColumns(10);
cnameField.setBounds(297, 161, 271, 37);
panel.add(cnameField);
ccreditField = new JTextField();
ccreditField.setColumns(10);
ccreditField.setBounds(297, 229, 271, 37);
panel.add(ccreditField);
ctimeField = new JTextField();
ctimeField.setColumns(10);
ctimeField.setBounds(297, 292, 271, 37);
panel.add(ctimeField);
JButton btnNewButton = new JButton("添加");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String cno = cnoField.getText();
String cname = cnameField.getText();
String ccredit = ccreditField.getText();
String ctime = ctimeField.getText();
if (cno.equals("") || cname.equals("") || ccredit.equals("") || ctime.equals("")) {
JOptionPane.showMessageDialog(null, "请输入完整的信息！");
} else {
CourseDao courseDao = new CourseDao();
boolean istrue = false;
try {
istrue = courseDao.insert(cno, cname, ccredit, ctime);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if (istrue) {
JOptionPane.showMessageDialog(null, "增加课程成功！");
} else {
JOptionPane.showMessageDialog(null, "增加课程失败，该课程号已存在！");
}
}
}
});
btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton.setBounds(216, 374, 93, 37);
panel.add(btnNewButton);
JButton btnNewButton_1 = new JButton("重置");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cnoField.setText("");
cnameField.setText("");
ccreditField.setText("");
ctimeField.setText("");
}
});
btnNewButton_1.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton_1.setBounds(514, 374, 93, 37);
panel.add(btnNewButton_1);
}
}

104
kecheng/src/com/system/view/CourseDelect.java
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package com.system.view;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import com.system.dao.CourseDao;
public class CourseDelect extends Bg {
private JPanel contentPane;
private JTextField keyField;
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// CourseDelect frame = new CourseDelect();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public CourseDelect(String a) {
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setBounds(100, 100, 450, 300);
// contentPane = new JPanel();
// contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
// contentPane.setLayout(new BorderLayout(0, 0));
// setContentPane(contentPane);
super(a);
JPanel panel = new JPanel();
panel.setBackground(Color.WHITE);
panel.setBounds(165, 54, 752, 493);
getContentPane().add(panel);
panel.setLayout(null);
JLabel lblNewLabel = new JLabel("删除课程");
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 18));
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setBounds(275, 55, 189, 33);
panel.add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("课程号：");
lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1.setBounds(202, 120, 126, 33);
panel.add(lblNewLabel_1);
keyField = new JTextField();
keyField.setBounds(303, 120, 204, 33);
panel.add(keyField);
keyField.setColumns(10);
JButton btnNewButton = new JButton("删除");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String key = keyField.getText();
if (key.equals("")) {
JOptionPane.showMessageDialog(null, "请输入课程号！");
} else {
CourseDao course = new CourseDao();
boolean flag = false;
try {
flag = course.delete(key);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if (flag) {
JOptionPane.showMessageDialog(null, "课程删除成功！");
} else
JOptionPane.showMessageDialog(null, "课程删除失败，请检查课程号是否正确！");
}
}
});
btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton.setBounds(525, 120, 102, 33);
panel.add(btnNewButton);
}
}

113
kecheng/src/com/system/view/CourseOperation.java
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package com.system.view;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
public class CourseOperation extends Bg {
private JPanel contentPane;
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// CourseOperation frame = new CourseOperation();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public CourseOperation(String a) {
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setBounds(100, 100, 450, 300);
// contentPane = new JPanel();
// contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
// contentPane.setLayout(new BorderLayout(0, 0));
// setContentPane(contentPane);
super(a);
JLabel lblNewLabel = new JLabel("课程相关操作");
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 18));
lblNewLabel.setBounds(370, 94, 352, 43);
getContentPane().add(lblNewLabel);
JButton btnNewButton = new JButton("查询课程");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setVisible(true);
new CourseSelect().setVisible(true);
}
});
btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 16));
btnNewButton.setBounds(353, 174, 148, 37);
getContentPane().add(btnNewButton);
JButton btnNewButton_1 = new JButton("添加课程");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (a.equals("学生")) {
JOptionPane.showMessageDialog(null, "没有权限！");
} else {
setVisible(false);
new CourseAdd(a).setVisible(true);
}
}
});
btnNewButton_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
btnNewButton_1.setBounds(622, 174, 148, 37);
getContentPane().add(btnNewButton_1);
JButton btnNewButton_2 = new JButton("修改课程");
btnNewButton_2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (a.equals("学生")) {
JOptionPane.showMessageDialog(null, "没有权限！");
} else {
setVisible(false);
new CourseUpdate(a).setVisible(true);
}
}
});
btnNewButton_2.setFont(new Font("微软雅黑", Font.BOLD, 16));
btnNewButton_2.setBounds(353, 274, 148, 37);
getContentPane().add(btnNewButton_2);
JButton btnNewButton_3 = new JButton("删除课程");
btnNewButton_3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (a.equals("学生")) {
JOptionPane.showMessageDialog(null, "没有权限！");
} else {
setVisible(false);
new CourseDelect(a).setVisible(true);
}
}
});
btnNewButton_3.setFont(new Font("微软雅黑", Font.BOLD, 16));
btnNewButton_3.setBounds(622, 274, 148, 37);
getContentPane().add(btnNewButton_3);
}
}

163
kecheng/src/com/system/view/CourseSelect.java
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@ -1,163 +0,0 @@
package com.system.view;
import java.awt.Color;
import java.awt.Font;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.SQLException;
import java.util.List;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;
import com.system.dao.CourseDao;
import com.system.entity.Course;
public class CourseSelect extends JFrame {
private JPanel contentPane;
private JTextField keyField;
private JTable table;
private JScrollPane scrollPane;
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// CourseSelect frame = new CourseSelect();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public CourseSelect() {
setBounds(100, 100, 780, 486);
contentPane = new JPanel();
contentPane.setBackground(Color.WHITE);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
final Vector vector = new Vector();
vector.add("序号");
vector.add("课程号");
vector.add("课程名");
vector.add("学分");
vector.add("学时");
Vector tData = new Vector();
JPanel panel = new JPanel();
panel.setBackground(SystemColor.activeCaption);
panel.setBounds(0, 0, 764, 45);
contentPane.add(panel);
panel.setLayout(null);
JLabel lblNewLabel = new JLabel("课程基本上信息");
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel.setBounds(263, 10, 191, 25);
panel.add(lblNewLabel);
JPanel panel_1 = new JPanel();
panel_1.setBackground(Color.WHITE);
panel_1.setBounds(0, 44, 764, 51);
contentPane.add(panel_1);
panel_1.setLayout(null);
JLabel lblNewLabel_1 = new JLabel("课程号：");
lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 14));
lblNewLabel_1.setBounds(177, 10, 79, 31);
panel_1.add(lblNewLabel_1);
keyField = new JTextField();
keyField.setBounds(247, 10, 194, 31);
panel_1.add(keyField);
keyField.setColumns(10);
JButton btnNewButton = new JButton("查询");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String key = keyField.getText();
if (key.equals("")) {
JOptionPane.showMessageDialog(null, "课程号不能为空！");
} else {
tData.clear();
int a = Integer.parseInt(key);
CourseDao user = new CourseDao();
try {
Course course = user.selectByCno(a);
Vector v = new Vector();
v.add(course.getCnum());
v.add(course.getCno());
v.add(course.getCname());
v.add(course.getCcredit());
v.add(course.getCtime());
tData.add(v);
table = new JTable(tData, vector);
scrollPane.setViewportView(table);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
});
btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton.setBounds(451, 11, 79, 28);
panel_1.add(btnNewButton);
scrollPane = new JScrollPane();
scrollPane.setBounds(0, 94, 764, 353);
contentPane.add(scrollPane);
tData.clear();
CourseDao user = new CourseDao();
try {
List<Course> list = user.courseRes();
for (int i = 0; i < list.size(); i++) {
Vector v = new Vector();
v.add(list.get(i).getCnum());
v.add(list.get(i).getCno());
v.add(list.get(i).getCname());
v.add(list.get(i).getCcredit());
v.add(list.get(i).getCtime());
tData.add(v);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
table = new JTable(tData, vector);
scrollPane.setViewportView(table);
}
}

190
kecheng/src/com/system/view/CourseUpdate.java
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@ -1,190 +0,0 @@
package com.system.view;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import com.system.dao.CourseDao;
import com.system.entity.Course;
public class CourseUpdate extends Bg {
private JPanel contentPane;
private JTextField keyField;
private JTextField cnoField;
private JTextField cnameField;
private JTextField ccreditField;
private JTextField ctimeField;
/**
* Launch the application.
*/
// public static void main(String[] args) {
// EventQueue.invokeLater(new Runnable() {
// public void run() {
// try {
// CourseUpdate frame = new CourseUpdate();
// frame.setVisible(true);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
/**
* Create the frame.
*/
public CourseUpdate(String a) {
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setBounds(100, 100, 450, 300);
// contentPane = new JPanel();
// contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
// contentPane.setLayout(new BorderLayout(0, 0));
// setContentPane(contentPane);
super(a);
JPanel panel = new JPanel();
panel.setBackground(Color.WHITE);
panel.setBounds(166, 52, 751, 495);
getContentPane().add(panel);
panel.setLayout(null);
JLabel lblNewLabel = new JLabel("修改课程");
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 18));
lblNewLabel.setBounds(256, 38, 233, 38);
panel.add(lblNewLabel);
JLabel lblNewLabel_1 = new JLabel("课程号：");
lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel_1.setBounds(162, 89, 94, 28);
panel.add(lblNewLabel_1);
keyField = new JTextField();
keyField.setBounds(254, 86, 224, 37);
panel.add(keyField);
keyField.setColumns(10);
JButton btnNewButton = new JButton("查询");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String key = keyField.getText();
if (key.equals("")) {
JOptionPane.showMessageDialog(null, "请输入课程号！");
} else {
CourseDao course = new CourseDao();
Course c = new Course();
try {
c = course.select(key);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if (c != null) {
cnoField.setText(String.valueOf(c.getCno()));
cnameField.setText(c.getCname());
ccreditField.setText(c.getCcredit());
ctimeField.setText(c.getCtime());
} else {
JOptionPane.showMessageDialog(null, "课程表里没有此课程的信息，无法修改！");
}
}
}
});
btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton.setBounds(496, 89, 93, 34);
panel.add(btnNewButton);
JLabel lblNewLabel_2 = new JLabel("课程基本信息");
lblNewLabel_2.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_2.setBounds(162, 156, 170, 28);
panel.add(lblNewLabel_2);
JLabel lblNewLabel_3 = new JLabel("课程号：");
lblNewLabel_3.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_3.setBounds(162, 211, 73, 28);
panel.add(lblNewLabel_3);
JLabel lblNewLabel_3_1 = new JLabel("课程名：");
lblNewLabel_3_1.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_3_1.setBounds(162, 271, 73, 28);
panel.add(lblNewLabel_3_1);
JLabel lblNewLabel_3_2 = new JLabel("学分：");
lblNewLabel_3_2.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_3_2.setBounds(162, 332, 73, 28);
panel.add(lblNewLabel_3_2);
JLabel lblNewLabel_3_3 = new JLabel("学时：");
lblNewLabel_3_3.setFont(new Font("微软雅黑", Font.BOLD, 16));
lblNewLabel_3_3.setBounds(162, 389, 73, 28);
panel.add(lblNewLabel_3_3);
cnoField = new JTextField();
cnoField.setBounds(238, 208, 240, 38);
panel.add(cnoField);
cnoField.setColumns(10);
cnameField = new JTextField();
cnameField.setColumns(10);
cnameField.setBounds(238, 268, 240, 38);
panel.add(cnameField);
ccreditField = new JTextField();
ccreditField.setColumns(10);
ccreditField.setBounds(238, 329, 240, 38);
panel.add(ccreditField);
ctimeField = new JTextField();
ctimeField.setColumns(10);
ctimeField.setBounds(238, 386, 240, 38);
panel.add(ctimeField);
JButton btnNewButton_1 = new JButton("修改");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String cno = cnoField.getText();
String cname = cnameField.getText();
String ccredit = ccreditField.getText();
String ctime = ctimeField.getText();
if (cno.equals("") || cname.equals("") || ccredit.equals("") || ctime.equals("")) {
JOptionPane.showMessageDialog(null, "请输入完整的信息！");
} else {
CourseDao courseDao = new CourseDao();
boolean istrue = false;
try {
istrue = courseDao.update(cno, cname, ccredit, ctime);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if (istrue) {
JOptionPane.showMessageDialog(null, "修改成功！");
} else {
JOptionPane.showMessageDialog(null, "修改失败，请检查输入信息是否正确！");
}
}
}
});
btnNewButton_1.setBackground(Color.RED);
btnNewButton_1.setFont(new Font("微软雅黑", Font.BOLD, 14));
btnNewButton_1.setBounds(280, 447, 136, 38);
panel.add(btnNewButton_1);
}
}

10
kecheng/src/module-info.java
Unescape View File

@ -1,10 +0,0 @@
/**
*
*/
/**
*
*/
module kaoqin {
requires java.sql;
requires java.desktop;
}
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