获取类
package Affairs;
public class Student {
private String 教师姓名;
private String 任课班级;
private String 课程;
public Student() {
super();
// TODO Auto-generated constructor stub
}
public String get教师姓名() {
return 教师姓名;
}
public void set教师姓名(String 教师姓名) {
this.教师姓名 = 教师姓名;
}
public String get任课班级() {
return 任课班级;
}
public void set任课班级(String 任课班级) {
this.任课班级 = 任课班级;
}
public String get课程() {
return 课程;
}
public void set课程(String 课程) {
this.课程 = 课程;
}
public Student(String 教师姓名, String 任课班级, String 课程) {
super();
this.教师姓名 = 教师姓名;
this.任课班级 = 任课班级;
this.课程 = 课程;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
}
}
sql执行语句类
package Affairs;
import java.sql.*;
import java.util.Scanner;
public class StudentsManage {
public void insert(String 教师姓名, String 任课班级, String 课程) {
// 建立连接
Connection conn = StudentsDbDrivers.getConnection();
if (conn != null) {
// 在建立与数据库连接的基础上，一个向数据库发送要执行的SQL语句的方法
try {
Statement s = conn.createStatement();
String sql = "insert into 教师管理 values('" + 教师姓名 + "," + 任课班级
+ "," + 课程 + "')";
System.out.println(sql);
System.out.println("添加成功");
s.executeUpdate(sql);
} catch (SQLException e) {
System.out.println("添加失败");
}
StudentsDbDrivers.closeConnection(conn);
}
}
public void delete(String 教师姓名) {
Connection conn = StudentsDbDrivers.getConnection();
if (conn != null) {
try {
Statement s = conn.createStatement();
String sql = "delete from 教师管理 where 教师姓名='" + 教师姓名 + "'";
System.out.println("sql");
s.executeUpdate(sql);
System.out.println("删除成功");
} catch (SQLException e) {
System.out.println("删除失败");
}
StudentsDbDrivers.closeConnection(conn);
}
}
public void update(String 教师姓名, String 教师姓名1, String 任课班级1, String 课程1) {
Connection conn = StudentsDbDrivers.getConnection();
if (conn != null) {
try {
Statement s = conn.createStatement();
String sql = "update 教师管理 set 教师姓名=‘“+教师姓名1+”’,任课班级=‘“+任课班级1+”’,课程='"
+ 课程1 + "'";
s.executeUpdate(sql);
System.out.println("修改成功");
} catch (SQLException e) {
System.out.println("更新失败");
}
}
}
public void query() {
Connection conn = StudentsDbDrivers.getConnection();
if(conn!=null){
try {
Statement s=conn.createStatement();
String sql="select *from 教师管理 where 教师姓名=‘“+教师姓名+”’";
ResultSet rs=s.executeQuery(sql);
System.out.println(sql);
while(rs.next());
System.out.println(rs.getString("教师姓名")+"");
System.out.println(rs.getString("任课班级")+"");
System.out.println(rs.getString("课程")+"");
} catch (SQLException e) {
System.out.println("查找成功");
}
StudentsDbDrivers.closeConnection(conn);
}
}
public static void main(String[] args) {
StudentsManage s =new StudentsManage();
Scanner scan = new Scanner(System.in);
System.out.println("请输入你要添加的教师姓名，任课班级，课程");
String 教师姓名 =scan.next();
String 任课班级=scan.next();
String 课程 = scan.next();
s.insert(教师姓名, 任课班级, 课程);
}
}
界面类：
package Affairs;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
public class StudentsFrame extends JFrame implements ActionListener{
JLabel jl1, jl2, jl3, jl4, jl5;
JTextField jtf1, jtf2, jtf3, jtf4, jtf5;
JComboBox jcb;
JButton jb1, jb2, jb3, jb4, jb5;
JTable jtable;
JPanel jp1, jp2, jp3;
JScrollPane jsp;
String items[] = { "教师管理", "课程管理", "排课管理", "学生管理" };
String titles[] = { "教师姓名", "任课班级", "课程" };
DefaultTableModel dtm;
StudentsDbDrivers sdd;
StudentsManage ssm;
StudentsFrame() {
jl1 = new JLabel("教师姓名");
jl2 = new JLabel("任课班级");
jl3 = new JLabel("课程");
jtf1 = new JTextField(10);
jtf2 = new JTextField(10);
jtf3 = new JTextField(10);
jb1 = new JButton("添加");
jb2 = new JButton("删除");
jb3 = new JButton("修改");
//jb4 = new JButton("刷新");
jb4 = new JButton("查询");
jcb = new JComboBox(items);
dtm = new DefaultTableModel(titles, 0);
jtable = new JTable(dtm);
jsp = new JScrollPane(jtable);
jp1 = new JPanel();
jp2 = new JPanel();
jp3 = new JPanel();
sdd = new StudentsDbDrivers();
}
void init() {
this.setTitle("教务管理系统");
this.setSize(800, 600);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
this.setLayout(new GridLayout(2, 1));
jp1.add(jl1);
jp1.add(jtf1);
jp1.add(jl2);
jp1.add(jtf2);
jp1.add(jl3);
jp1.add(jtf3);
jp1.add(jcb);
jp2.add(jb1);
jp2.add(jb2);
jp2.add(jb3);
jp2.add(jb4);
//jp2.add(jb5);
jp3.add(jp1);
jp3.add(jp2);
this.add(jp3, BorderLayout.NORTH);
this.add(jsp, BorderLayout.CENTER);
jb1.addActionListener(this);
jb2.addActionListener(this);
jb3.addActionListener(this);
jb4.addActionListener(this);
}
private void inittable(){
List list=ssm.query();
for(int i=0;i<list.size();i++){
Student stu =(Student)list.get(i);
String str[]={stu.get教师姓名(),stu.get任课班级(),stu.get课程()};
}
}
public static void main(String[] args) {
StudentsFrame sf = new StudentsFrame();
sf.init();
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource().equals(jb1)){
String 教师姓名=jtf1.getText();
String 任课班级=jtf2.getText();
String 课程=jtf3.getText();
ssm.insert(教师姓名, 任课班级, 课程);
String str[]={教师姓名, 任课班级, 课程};
dtm.addRow(str);
}else if(e.getSource().equals(jb2)){
}
}
}
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