學生資訊管理系統-GUI
本人java 初學者，使用了已經過時的GUI圖形使用者介面。
程式運了IO進行資料的讀寫，沒有涉及到資料庫的使用。
寫道最後發現有很多的缺點，面向物件的程式設計思想很多地方體現的不是很到位，還有頻繁的操作磁碟檔案。
也參考過許多網上許多大佬的方法。
算是給自己學java半年以來的一個說法吧。
最後將程式碼分享給大家，一起學習！
package MyStu;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.*;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import javax.swing.*;
class Login extends JFrame implements ActionListener{
static ArrayList<Student> as = new ArrayList<Student>();
JButton b1,b2=null;
JPanel jp1,jp2,jp3=null;
JTextField jtf=null;
JLabel jlb1,jlb2=null;
JPasswordField pwf=null;
final String user="123";
final String psd="123";
public Login(){
Image icon=Toolkit.getDefaultToolkit().getImage("E://1.gif");
this.setIconImage(icon);
b1=new JButton("登陸");
b1.setFont(new Font("華文中宋", Font.BOLD, 15));
b2=new JButton("清除");
b2.setFont(new Font("華文中宋", Font.BOLD, 15));
b1.setBorder(null);
b2.setBorder(null);
b1.addActionListener(this);
b2.addActionListener(this);
jp1=new JPanel();
jp1.setBackground(Color.cyan);
jp2=new JPanel();
jp2.setBackground(Color.YELLOW);
jp3=new JPanel();
jp3.setBackground(Color.orange);
jlb1=new JLabel("使用者名稱：");
jlb2=new JLabel("密 碼：");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 20));
jlb2.setFont(new Font("華文行楷", Font.BOLD, 20));
jtf=new JTextField(10);
pwf=new JPasswordField(10);
jp1.add(jlb1);
jp1.add(jtf);
jp2.add(jlb2);
jp2.add(pwf);
jp3.add(b1);
jp3.add(b2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.setLayout(new GridLayout(3,1));
this.setTitle("學生資訊管理系統");
this.setSize(300,200);
this.setLocation(200, 150);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
this.setResizable(false);
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand()=="登陸"){
stulogin();
}else if (e.getActionCommand()=="清除") {
clear();
}
}
public void stulogin(){
if(user.equals(jtf.getText())&&psd.equals(pwf.getText())){
JOptionPane.showMessageDialog(null,"登入成功！","系統提示",JOptionPane.WARNING_MESSAGE);
clear();
dispose();
Menu1 ui=new Menu1();
}else if(jtf.getText().isEmpty()&&pwf.getText().isEmpty())
{
JOptionPane.showMessageDialog(null,"請輸入使用者名稱和密碼！","提示訊息",JOptionPane.WARNING_MESSAGE);
}else if(jtf.getText().isEmpty())
{
JOptionPane.showMessageDialog(null,"請輸入使用者名稱！","提示訊息",JOptionPane.WARNING_MESSAGE);
}else if(pwf.getText().isEmpty())
{
JOptionPane.showMessageDialog(null,"請輸入密碼！","提示訊息",JOptionPane.WARNING_MESSAGE);
}else
{
JOptionPane.showMessageDialog(null,"使用者名稱或者密碼錯誤！\n請重新輸入","提示訊息",JOptionPane.ERROR_MESSAGE);
//清空輸入框
clear();
}
}
public void clear(){
jtf.setText("");
pwf.setText("");
}
}
//---------------------------------------------------------
//Memu功能選單欄
class Menu1 extends JFrame {
static ArrayList<Student> as = new ArrayList<Student>();
JButton jb1,jb2,jb3,jb4,jb5,jb6=null;
JPanel jp1,jp2,jp3=null;
JLabel jlb1=null;
public Menu1(){
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jb1=new JButton("新增資訊");
jb2=new JButton("刪除資訊");
jb3=new JButton("查詢資訊");
jb5=new JButton("檢視資訊");
jb6=new JButton("退出");
jb1.setFont(new Font("華文中宋", Font.BOLD, 18));
jb2.setFont(new Font("華文中宋", Font.BOLD, 18));
jb3.setFont(new Font("華文中宋", Font.BOLD, 18));
jb5.setFont(new Font("華文中宋", Font.BOLD, 18));
jb6.setFont(new Font("華文中宋", Font.BOLD, 18));
jb1.setBorder(null);
jb2.setBorder(null);
jb3.setBorder(null);
jb5.setBorder(null);
jb6.setBorder(null);
jlb1=new JLabel("歡迎使用學生資訊管理系統");
jlb1.setHorizontalAlignment(SwingConstants.CENTER);
jlb1.setFont(new Font("華文行楷", Font.BOLD, 40));
jp1. add(jlb1);
jp2.add(jb1);
jp2.add(jb2);
jp2.add(jb3);
jp3.add(jb5);
jp3.add(jb6);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.setLayout(new GridLayout(3,5));
this.setTitle("學生資訊管理系統");
this.setSize(500,400);
//設定窗體初始位置
this.setLocation(200, 150);
//設定當關閉視窗時，保證JVM也退出
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//顯示窗體
this.setVisible(true);
this.setResizable(false);
jb1.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="新增資訊"){
addinfo_Menu ai=new addinfo_Menu();
ArrayList<Student>as=new ArrayList<Student>();
ai.infor(as);
}
}
});
jb2.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="刪除資訊"){
Delete_info di=new Delete_info();
di.delete_info();
}
}
});
jb3.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="查詢資訊"){
scaninfo si=new scaninfo();
si.Scaninfo();
}
}
});
jb5.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="檢視資訊"){
readinfo ri=new readinfo();
ri.Readinfo();
}
}
});
jb6.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="退出"){
dispose();
Login lg=new Login();
}
}
});
}
public void addinfo(){
}
}
//主類--------------------------------------------------
public class Wenfan{
public static void main(String[] args){
Login lg=new Login();
}
}
package MyStu;
import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;
import javax.swing.*;
class addinfo_Menu extends JFrame implements ActionListener {
ArrayList<Student>as=new ArrayList<Student>();
JButton jb1,jb2,jb3,jb4=null;
JPanel jp1,jp2,jp3,jp4,jp5,jp6,jp7=null;
JTextField jtf1,jtf2,jtf3,jtf4,jtf5=null;
JLabel jlb1,jlb2,jlb3,jlb4,jlb5,jlb6=null;
public void infor(final ArrayList<Student>as){
jb1=new JButton("儲存");
jb2=new JButton("返回");
jb3=new JButton("繼續新增");
jb4=new JButton("清除檔案資料");
jb1.addActionListener(this);
jb2.addActionListener(this);
jb3.addActionListener(this);
jb4.addActionListener(this);
jb1.setFont(new Font("華文中宋", Font.BOLD, 15));
jb2.setFont(new Font("華文中宋", Font.BOLD, 15));
jb3.setFont(new Font("華文中宋", Font.BOLD, 15));
jb4.setFont(new Font("華文中宋", Font.BOLD, 15));
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp5=new JPanel();
jp6=new JPanel();
jp7=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jp4.setBackground(Color.cyan);
jp5.setBackground(Color.cyan);
jp6.setBackground(Color.cyan);
jp7.setBackground(Color.cyan);
jlb1=new JLabel("輸入學生資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jlb2=new JLabel("姓名：");
jlb3=new JLabel("性別：");
jlb4=new JLabel("年齡：");
jlb5=new JLabel("學號：");
jlb6=new JLabel("成績：");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 25));
jlb2.setFont(new Font("華文行楷", Font.BOLD, 25));
jlb3.setFont(new Font("華文行楷", Font.BOLD, 25));
jlb4.setFont(new Font("華文行楷", Font.BOLD, 25));
jlb5.setFont(new Font("華文行楷", Font.BOLD, 25));
jlb6.setFont(new Font("華文行楷", Font.BOLD, 25));
jtf1=new JTextField(10);
jtf2=new JTextField(10);
jtf3=new JTextField(10);
jtf4=new JTextField(10);
jtf5=new JTextField(10);
jp1.add(jlb1);
jp2.add(jlb2);
jp2.add(jtf1);
jp3.add(jlb3);
jp3.add(jtf2);
jp4.add(jlb4);
jp4.add(jtf3);
jp5.add(jlb5);
jp5.add(jtf4);
jp6.add(jlb6);
jp6.add(jtf5);
jp7.add(jb1);
jp7.add(jb3);
jp7.add(jb4);
jp7.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(jp4);
this.add(jp5);
this.add(jp6);
this.add(jp7);
//設定佈局管理器
this.setLayout(new GridLayout(7,1));
//給視窗設定標題
this.setTitle("學生成績管理系統");
//設定窗體大小
this.setSize(500,400);
//設定窗體初始位置
this.setLocation(200, 150);
//顯示窗體
this.setVisible(true);
this.setResizable(false);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="儲存"){
try {
File stu_csv = new File("E://stu.txt");
if(stu_csv.exists()) //
stu_csv.delete();
stu_csv.createNewFile();
String stu_name,stu_gendar,stu_age,stu_number,stu_score;
stu_name=jtf1.getText();
stu_gendar=jtf2.getText();
stu_age=jtf3.getText();
stu_number=jtf4.getText();
stu_score=jtf5.getText();
as.add(new Student(stu_name,stu_gendar,stu_age,stu_number,stu_score));
BufferedWriter bfw = new BufferedWriter(new FileWriter(stu_csv,true));
//bfw.newLine();
for (Student stu : as) {
System.out.println(stu.name+","+stu.gendar+","+stu.age+","+stu.number+","+stu.score);
bfw.write(stu.name+","+stu.gendar+","+stu.age+","+stu.number+","+stu.score+"\r\n");
}
bfw.close();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
JOptionPane.showMessageDialog(null,"已儲存姓名為："+jtf1.getText()+"的資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
}else if(e.getActionCommand()=="繼續新增"){
reset();
}else if(e.getActionCommand()=="清除檔案資料"){
try {
File stu_csv = new File("E://stu.txt");
if(stu_csv.exists())
stu_csv.delete();
stu_csv.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
public void reset(){
jtf1.setText("");
jtf2.setText("");
jtf3.setText("");
jtf4.setText("");
}
}
class Student{
String name;
String gendar;
String number;
String age;
String score;
public Student(String name,String gendar,String age,String number,String score){
this.name=name;
this.gendar=gendar;
this.age=age;
this.number=number;
this.score=score;
}
}
package MyStu;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.StringTokenizer;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
class Delete_info extends JFrame implements ActionListener{
JButton jb1,jb2,jb3,jb4,jb5;
JLabel jlb1,jlb2,jlb3,jlb4;
JPanel jp1,jp2,jp3,jp4,jp5,jp6,jp7;
JTextField jtf1;
public void delete_info(){
jp1=new JPanel();
jp2=new JPanel();
jp7=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp7.setBackground(Color.cyan);
jb1=new JButton("按學號刪除");
jb2=new JButton("按姓名刪除");
jb5=new JButton("返回");
jb1.addActionListener(this);
jb2.addActionListener(this);
jb5.addActionListener(this);
jb1.setBorder(null);
jb2.setBorder(null);
jb5.setBorder(null);
jb1.setFont(new Font("華文中宋", Font.BOLD, 20));
jb2.setFont(new Font("華文中宋", Font.BOLD, 20));
jb5.setFont(new Font("華文中宋", Font.BOLD, 15));
jlb1=new JLabel("刪除資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jp1.add(jlb1);
jp2.add(jb1);
jp2.add(jb2);
jp7.add(jb5);
this.add(jp1);
this.add(jp2);
this.add(jp7);
this.setLayout(new GridLayout(3,1));
this.setTitle("刪除");
this.setSize(500,400);
this.setLocation(200,150);
this.setVisible(true);
this.setResizable(false);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="按學號刪除"){
Delete_Number dn=new Delete_Number();
dn.delete_number();
}else if(e.getActionCommand()=="按姓名刪除"){
Delete_Name dne=new Delete_Name();
dne.delete_name();
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
}
class Delete_Number extends JFrame implements ActionListener{
JButton jb1,jb2;
JPanel jp1,jp2,jp3,jp4,jp5;
JTextField jtf1;
JLabel jlb1,jlb2,jlb3;
ArrayList<Student3> as3 = new ArrayList<Student3>();
BufferedWriter bfw;
public void delete_number(){
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jp4.setBackground(Color.cyan);
jb1=new JButton("刪除");
jb2=new JButton("返回");
jb1.addActionListener(this);
jb2.addActionListener(this);
jb1.setBorder(null);
jb2.setBorder(null);
jb1.setFont(new Font("華文中宋", Font.BOLD, 20));
jb2.setFont(new Font("華文中宋", Font.BOLD, 20));
jtf1=new JTextField(10);
jlb1=new JLabel("刪除資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jlb2=new JLabel("請輸入學號：");
jlb2.setFont(new Font("華文行楷", Font.BOLD, 20));
jp1.add(jlb1);
jp2.add(jlb2);
jp2.add(jtf1);
jp2.add(jb1);
jp3.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.setLayout(new GridLayout(3,1));
this.setTitle("刪除");
this.setSize(500,400);
this.setLocation(200,150);
this.setVisible(true);
this.setResizable(false);
try {
File csv = new File("E://stu.txt"); // CSV檔案
BufferedReader br = new BufferedReader(new FileReader(csv));
// 讀取直到最後一行
String line = "";
while ((line = br.readLine()) != null) {
// 把一行資料分割成多個欄位
StringTokenizer st1 = new StringTokenizer(line, ",");
Student3 st2= new Student3(st1.nextToken(),st1.nextToken(),st1.nextToken(),st1.nextToken(),st1.nextToken());
as3.add(st2);
}
br.close();
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
boolean flag=false;
if(e.getActionCommand()=="刪除"){
if(jtf1.getText().isEmpty())
{
JOptionPane.showMessageDialog(null,"請輸入使用者名稱！","提示訊息",JOptionPane.WARNING_MESSAGE);
}
for(Student3 student :as3){
if(student.number.equals(jtf1.getText())){
as3.remove(student);
File txt = new File("E://stu.txt"); // CSV檔案
txt.delete();
try {
txt.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
flag=true;
break;
}
}
if(flag){
try {
File txt = new File("E://stu.txt");
bfw = new BufferedWriter(new FileWriter(txt,true));
for(Student3 student1 :as3){
bfw.write(student1.name+","+student1.gendar+","+student1.age+","+student1.number+","+student1.score+"\r\n");
System.out.println(student1.name+","+student1.gendar+","+student1.age+","+student1.number+","+student1.score);
}
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
JOptionPane.showMessageDialog(null,"已刪除學號為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
try {
bfw.close();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}else{
JOptionPane.showMessageDialog(null,"無學號為："+jtf1.getText()+"的資訊！","提示訊息",JOptionPane.WARNING_MESSAGE);
}
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
}
//--------------------------按姓名刪除選單----------------、
class Delete_Name extends JFrame implements ActionListener{
JButton jb1,jb2;
JPanel jp1,jp2,jp3,jp4,jp5;
JTextField jtf1;
JLabel jlb1,jlb2,jlb3;
ArrayList<Student3> as3 = new ArrayList<Student3>();
BufferedWriter bfw;
public void delete_name(){
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jb1=new JButton("刪除");
jb2=new JButton("返回");
jb1.addActionListener(this);
jb2.addActionListener(this);
jb1.setFont(new Font("華文中宋", Font.BOLD, 20));
jb2.setFont(new Font("華文中宋", Font.BOLD, 20));
jb1.setBorder(null);
jb2.setBorder(null);
jtf1=new JTextField(10);
jlb1=new JLabel("刪除資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jlb2=new JLabel("請輸入姓名：");
jlb2.setFont(new Font("華文行楷", Font.BOLD, 20));
jp1.add(jlb1);
jp2.add(jlb2);
jp2.add(jtf1);
jp2.add(jb1);
jp3.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.setLayout(new GridLayout(3,1));
this.setTitle("刪除");
this.setSize(500,400);
this.setLocation(200,150);
this.setVisible(true);
this.setResizable(false);
try {
File csv = new File("E://stu.txt"); // CSV檔案
BufferedReader br = new BufferedReader(new FileReader(csv));
// 讀取直到最後一行
String line = "";
while ((line = br.readLine()) != null) {
// 把一行資料分割成多個欄位
StringTokenizer st1 = new StringTokenizer(line, ",");
Student3 st2= new Student3(st1.nextToken(),st1.nextToken(),st1.nextToken(),st1.nextToken(),st1.nextToken());
as3.add(st2);
}
br.close();
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
boolean flag=false;
if(e.getActionCommand()=="刪除"){
if(jtf1.getText().isEmpty())
{
JOptionPane.showMessageDialog(null,"請輸入姓名！","提示訊息",JOptionPane.WARNING_MESSAGE);
}
for(Student3 student :as3){
if(student.name.equals(jtf1.getText())){
as3.remove(student);
File txt = new File("E://stu.txt"); // CSV檔案
txt.delete();
try {
txt.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
jtf1.setText("");
flag=true;
break;
}
}
if(flag){
try {
File txt = new File("E://stu.txt");
bfw = new BufferedWriter(new FileWriter(txt,true));
for(Student3 student1 :as3){
bfw.write(student1.name+","+student1.gendar+","+student1.age+","+student1.number+","+student1.score+"\r\n");
System.out.println(student1.name+","+student1.gendar+","+student1.age+","+student1.number+","+student1.score);
}
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
JOptionPane.showMessageDialog(null,"已刪除姓名為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
try {
bfw.close();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}else{
JOptionPane.showMessageDialog(null,"無姓名為："+jtf1.getText()+"的資訊！","提示訊息",JOptionPane.WARNING_MESSAGE);
}
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
}
class Student3{
String name;
String gendar;
String number;
String age;
String score;
public Student3(String name,String gendar,String age,String number,String score){
this.name=name;
this.gendar=gendar;
this.age=age;
this.number=number;
this.score=score;
}
}
package MyStu;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.*;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
class readinfo extends JFrame implements ActionListener {
JLabel jlb;
JButton jb1;
JPanel jp1,jp2;
public void Readinfo(){
jp1=new JPanel();
jp2=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jb1=new JButton("返回");
jb1.addActionListener(this);
jb1.setFont(new Font("華文中宋", Font.BOLD, 18));
jb1.setBorder(null);
jlb=new JLabel("所有資訊如下");
jlb.setFont(new Font("華文行楷", Font.BOLD, 30));
JTableHeader tableH;
String col[]={"姓名","性別","年齡","學號","成績"};
final DefaultTableModel tableModel = new DefaultTableModel(col, 0);
JTable table = new JTable(tableModel);
table.setEnabled(false);
JScrollPane pane = new JScrollPane(table);
pane.setBackground(Color.cyan);
jp1.add(jlb);
jp2.add(jb1);
ArrayList<Student1> as1 = new ArrayList<Student1>();
try {
File csv = new File("E://stu.txt"); // CSV檔案
BufferedReader br = new BufferedReader(new FileReader(csv));
String line = "";
while ((line = br.readLine()) != null) {
StringTokenizer st = new StringTokenizer(line, ",");
Student1 st1= new Student1(st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken());
as1.add(st1);
}
br.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.add(jp1);
this.add(pane);
this.add(jp2);
this.setBackground(Color.cyan);
this.setLayout(new GridLayout(3,1));
this.setTitle("顯示資訊");
this.setSize(500,400);
this.setLocation(200, 150);
this.setVisible(true);
this.setResizable(false);
table.setBackground(new Color(144,238,144));
table.setForeground(new Color(100,100,100)) ;
table.setGridColor(new Color(105 ,105, 105));
tableH = table.getTableHeader();
tableH.setBackground(new Color(200, 200, 200));
tableH.setForeground(new Color(0,0,205));
for (Student1 stu : as1) {
Object [] data ={stu.name,stu.gendar,stu.age,stu.number,stu.score};
tableModel.addRow(data);
}
tableModel.fireTableDataChanged();
RowSorter<TableModel> sorter = new TableRowSorter<TableModel>(tableModel);
table.setRowSorter(sorter);
this.getContentPane().add(pane, BorderLayout.CENTER);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="返回"){
dispose();
}
}
}
class Student1{
String name;
String gendar;
String number;
String age;
String score;
public Student1(String name,String gendar,String age,String number,String score){
this.name=name;
this.gendar=gendar;
this.age=age;
this.number=number;
this.score=score;
}
}
package MyStu;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.StringTokenizer;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
class scaninfo extends JFrame implements ActionListener {
JButton jb1,jb2,jb5;
JLabel jlb1,jlb2,jlb3,jlb4;
JPanel jp1,jp2,jp7;
public void Scaninfo(){
jp1=new JPanel();
jp2=new JPanel();
jp7=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp7.setBackground(Color.cyan);
jb1=new JButton("按學號查詢");
jb2=new JButton("按姓名查詢");
jb5=new JButton("返回");
jb1.setFont(new Font("華文中宋", Font.BOLD, 20));
jb2.setFont(new Font("華文中宋", Font.BOLD, 20));
jb5.setFont(new Font("華文中宋", Font.BOLD, 15));
jb1.addActionListener(this);
jb2.addActionListener(this);
jb5.addActionListener(this);
jb1.setBorder(null);
jb2.setBorder(null);
jb5.setBorder(null);
jlb1=new JLabel("查詢資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jp1.add(jlb1);
jp2.add(jb1);
jp2.add(jb2);
jp7.add(jb5);
this.add(jp1);
this.add(jp2);
this.add(jp7);
this.setLayout(new GridLayout(3,1));
this.setTitle("查詢");
this.setSize(500,400);
this.setLocation(200,150);
this.setVisible(true);
this.setResizable(false);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="按學號查詢"){
Lookup_number look_n=new Lookup_number();
look_n.lookup_number();
}else if(e.getActionCommand()=="按姓名查詢"){
Lookup_name look_ne=new Lookup_name();
look_ne.lookup_name();
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
//---------------按學號查詢介面----------------
}
//---------------按學號查詢介面----------------
class Lookup_number extends JFrame implements ActionListener{
JButton jb1,jb2;
JPanel jp1,jp2,jp3,jp4,jp5;
JTextField jtf1;
JLabel jlb1,jlb2,jlb3;
JTable jtb;
ArrayList<Student2> as2 = new ArrayList<Student2>();
String col[]={"姓名","性別","年齡","學號","成績"};
final DefaultTableModel tableModel = new DefaultTableModel(col, 0);
public void lookup_number(){
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jp4.setBackground(Color.cyan);
JTableHeader tableH;
JTable table = new JTable(tableModel);
table.setEnabled(false);
table.setBackground(new Color(144,238,144));
table.setForeground(new Color(100,100,100)) ;
table.setGridColor(new Color(105 ,105, 105));
tableH = table.getTableHeader();
tableH.setBackground(new Color(200, 200, 200));
tableH.setForeground(new Color(0,0,205));
JScrollPane pane = new JScrollPane(table);
jb1=new JButton("查詢");
jb2=new JButton("返回");
jb1.setFont(new Font("華文中宋", Font.BOLD, 18));
jb2.setFont(new Font("華文中宋", Font.BOLD, 18));
jb1.addActionListener(this);
jb2.addActionListener(this);
jb1.setBorder(null);
jb2.setBorder(null);
jtf1=new JTextField(10);
jlb1=new JLabel("按學號查詢資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jlb2=new JLabel("請輸入學號：");
jlb2.setFont(new Font("華文行楷", Font.BOLD, 20));
jlb3=new JLabel("查詢資訊如下");
jlb2.setFont(new Font("華文行楷", Font.BOLD, 25));
jp1.add(jlb1);
jp2.add(jlb2);
jp2.add(jtf1);
jp2.add(jb1);
jp3.add(jlb3);
jp4.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(pane);
this.add(jp4);
this.setLayout(new GridLayout(5,1));
//給視窗設定標題
this.setTitle("查詢結果");
//設定窗體大小
this.setSize(500,400);
//設定窗體初始位置
this.setLocation(200, 150);
//顯示窗體
this.setVisible(true);
this.setResizable(false);
try {
File csv = new File("E://stu.txt"); // CSV檔案
BufferedReader br = new BufferedReader(new FileReader(csv));
// 讀取直到最後一行
String line = "";
while ((line = br.readLine()) != null) {
// 把一行資料分割成多個欄位
StringTokenizer st = new StringTokenizer(line, ",");
Student2 st1= new Student2(st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken());
as2.add(st1);
}
br.close();
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="查詢"){
boolean flag=true;
tableModel.setRowCount(0); // 之前的table一定要清零！
for (Student2 student : as2) {
System.out.println(student.name+student.gendar+student.age+student.number+student.score);
if(student.number.equals(jtf1.getText())){
Object [] data1 ={student.name,student.gendar,student.age,student.number,student.score};
tableModel.addRow(data1);
flag=false;
JOptionPane.showMessageDialog(null,"已查詢到學號為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
}
}
if(flag){
JOptionPane.showMessageDialog(null,"無學號為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
}
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
}
//------------------按姓名查詢介面------------------------
class Lookup_name extends JFrame implements ActionListener{
JButton jb1,jb2;
JPanel jp1,jp2,jp3,jp4,jp5;
JTextField jtf1;
JLabel jlb1,jlb2,jlb3;
JTable jtb;
ArrayList<Student2> as2 = new ArrayList<Student2>();
String col[]={"姓名","性別","年齡","學號","成績"};
final DefaultTableModel tableModel = new DefaultTableModel(col, 0);
public void lookup_name(){
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.setBackground(Color.cyan);
jp2.setBackground(Color.cyan);
jp3.setBackground(Color.cyan);
jp4.setBackground(Color.cyan);
JTableHeader tableH;
JTable table = new JTable(tableModel);
table.setEnabled(false);
table.setEnabled(false);
table.setBackground(new Color(144,238,144));
table.setForeground(new Color(100,100,100)) ;
table.setGridColor(new Color(105 ,105, 105));
tableH = table.getTableHeader();
//設定表頭的背景色
tableH.setBackground(new Color(200, 200, 200));
//設定表頭的文字顏色
tableH.setForeground(new Color(0,0,205));
JScrollPane pane = new JScrollPane(table);
jb1=new JButton("查詢");
jb2=new JButton("返回");
jb1.addActionListener(this);
jb2.addActionListener(this);
jb1.setBorder(null);
jb2.setBorder(null);
jtf1=new JTextField(10);
jlb1=new JLabel("按姓名查詢資訊");
jlb1.setFont(new Font("華文行楷", Font.BOLD, 30));
jlb2=new JLabel("請輸入姓名：");
jlb2.setFont(new Font("華文行楷", Font.BOLD, 20));
jlb3=new JLabel("查詢資訊如下");
jlb3.setFont(new Font("華文行楷", Font.BOLD, 25));
jp1.add(jlb1);
jp2.add(jlb2);
jp2.add(jtf1);
jp2.add(jb1);
jp3.add(jlb3);
jp4.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(pane);
this.add(jp4);
this.setLayout(new GridLayout(5,1));
this.setTitle("查詢結果");
this.setSize(500,400);
this.setLocation(200, 150);
this.setVisible(true);
this.setResizable(false);
try {
File txt = new File("E://stu.txt");
BufferedReader br = new BufferedReader(new FileReader(txt));
String line = "";
while ((line = br.readLine()) != null) {
StringTokenizer st = new StringTokenizer(line, ",");
Student2 st1= new Student2(st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken(),st.nextToken());
as2.add(st1);
}
br.close();
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand()=="查詢"){
tableModel.setRowCount(0);
boolean flag=true;
for (Student2 student : as2) {
System.out.println(student.name+student.gendar+student.age+student.number+student.score);
if(student.name.equals(jtf1.getText())){
Object [] data1 ={student.name,student.gendar,student.age,student.number,student.score};
tableModel.addRow(data1);
JOptionPane.showMessageDialog(null,"已查詢到姓名為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
flag=false;
}
}
if(flag){
JOptionPane.showMessageDialog(null,"無姓名為："+jtf1.getText()+"的學生資訊","系統提示",JOptionPane.INFORMATION_MESSAGE);
}
}else if(e.getActionCommand()=="返回"){
dispose();
}
}
}
class Student2{
String name;
String gendar;
String number;
String age;
String score;
public Student2(String name,String gendar,String age,String number,String score){
this.name=name;
this.gendar=gendar;
this.age=age;
this.number=number;
this.score=score;
}
}
相關推薦
學生資訊管理系統-GUI
本人java 初學者，使用了已經過時的GUI圖形使用者介面。 程式運了IO進行資料的讀寫，沒有涉及到資料庫的使用。 寫道最後發現有很多的缺點，面向物件的程式設計思想很多地方體現的不是很到位，還有頻繁的操作磁碟檔案。 也參考過許多網上許多大佬的方法。 算是給自己學java半年
GUI JDBC 學生資訊管理系統
1.Driver.java public class Driver { public static void main(String[] args) { Denglu dl = new Denglu(); dl.view(); } } 2.Denglu.java publi
學生資訊管理系統（GUI）
資料庫的內容：GUI介面：程式碼：StudentManagerment.javapackage 學生基本資訊; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.Actio
Android核心技術-day05-03-學生資訊管理系統小練習
package com.gaozewen.studentsystem.db; import android.content.ContentValues; import android.content.Context; import android.database.Curso
程式閱讀 簡單C 學生資訊管理系統
分享一下我老師大神的人工智慧教程！零基礎，通俗易懂！http://blog.csdn.net/jiangjunshow 也歡迎大家轉載本篇文章。分享知識，造福人民，實現我們中華民族偉大復興！
學生資訊管理系統資料庫課程設計
一.概述 學生資訊管理系統是學校管理的重要工具，是學校不可或缺的一部分。隨著在校人數的不斷增加，教務系統的數量也不斷的上漲。學校工作繁雜，資料眾多，人工管理資訊的難度也越來越大，顯然是不能滿足實際的需要，效率也是很低的。並且這種傳統的方式存在著眾多的弊端，如：保密性差.查詢不便.效率低，很難維
一個Python編寫的小程式（學生資訊管理系統）
def printInfo(StudentData,StudentName): """ :param StudentData: :param StudentName: :return: """ student = StudentData[Stude
C++課設案例 學生資訊管理系統
#include <iostream> #include <string> #include <windows.h> #include <iostream> #include <fstream> #include <conio.h&g
c#簡易學生資訊管理系統
在近期的學習中，我們學習了泛型及泛型集合的概念和使用，泛型是c#中的一個重要概念，為了鞏固我們學習的成果，我們可以使用一個例項來進行練習 題目及要求 要求使用Windows窗體應用程式，製作出如上圖的介面，並實現增刪改查的功能 StuInfo類的編寫 同往常一樣，在編寫窗體的程式碼前，我們需要先編
學生資訊管理系統總結（三）——優化篇
enter，esc鍵設定 確定按鈕屬性default------→true 取消按鈕屬性cancel------→true 窗體中心位置展現 首先將窗體介面通過滑鼠拖拽，達到介面大小適中 接著檢視屬性中的height，width屬性數值，將該數值填入下面程式碼中 from中新增以
學生資訊管理系統總結（二）
限制文字框輸入的必須是數字 Private Sub Text1_KeyPress(KeyAscii As Integer) If （KeyAscii < 48 Or KeyAscii > 57） Then keyAscii = 0 End
學生資訊管理系統總結（一）
Option Explicit ——強制變數宣告，若不宣告，則會顯示為variant（變體）型別，即未被宣告變數數 據型別。 Count ——用於計數 ADODB ——動態資料鏈接物件（Active Data Objects Data Base），它是一種 PHP 存取資
學生資訊管理系統：實現對學生資訊增刪改查操作
小白成長記，不喜勿噴，請多多指教 &nb
java集合類實現簡單的學生資訊管理系統
package jihe; import java.util.Scanner; public class Student { private String sno; private String sname; private int grade; private int age; private S
Java——Web開發之簡單的學生資訊管理系統
這僅僅是一個跟著視訊學習的小系統，大牛就繞道啦~ 系統實現的功能： 與mysql資料庫連線，實現登陸功能 管理員登陸成功後能檢視學生資訊 擴充套件功能(完成刪除與更新學生資訊的操作) 系統實現過程： 寫一個簡單的登陸
Java——Web開發之MVC設計模式的學生資訊管理系統（二）
為什麼這個標題為“（二）”，其實是對於上一個特別簡單學生資訊管理系統裡功能的完善。 所謂的“（一）”在這：學生資訊管理系統（一） 系統實現的功能： 實現新增學生 顯示查詢到的學生 刪除學生 更新學生資訊 模糊查詢符合相關資訊的學生
基於express的學生資訊管理系統
基於express的學生資訊管理系統 專案地址 專案簡介 簡單的學生資訊管理系統，後臺基於express，資料庫mysql，前端用到了一點vue，這次的團隊專案我主要是負責後端的部分，所以這裡對於前端程式碼不再贅述，只介紹後端部分以及一點點前端的js程式碼。 後端部分 //server.js var
JSP牛刀小試：學生資訊管理系統
小弟這學期的JSP課程上完了，課程作業是學生資訊管理系統，在開發過程遇到了許多問題，記錄下來，作為自己學習的總結，也可以給大家作為參考。如果有錯誤的地方，多多包涵。 github地址如下： https://github.com/XiaoZhong233/Stude
學生資訊管理系統錯誤總結
學生在暑假的時候就已經結束了，自己悄悄的進行了資料庫視訊，開學兩週後才開始驗專案，過了兩週，發現自己通過看資料庫視訊，其實在學生有的地方是可以用的到的，從而鞏固了自己之前的知識。因為資料庫視訊裡面講解了sql 語句，而學生裡面也有sql語句，先自己操作，最後在看
做完學生資訊管理系統之後的感想
專案引數 頁面：主要由bootstrap框架、layer彈框外掛、jquery以及jstl標準標籤庫組成 後臺：過濾器、javaBean小工具、mysql架包、加密架包、連線池、封裝好的 分頁工具以及封裝好的jdbc增刪查改工具包 技術引數