300分急求教務選課系統(tǒng)的JAVA代碼。

import java.awt.*;

成都創(chuàng)新互聯(lián)是一家集網(wǎng)站建設,王屋企業(yè)網(wǎng)站建設,王屋品牌網(wǎng)站建設,網(wǎng)站定制,王屋網(wǎng)站建設報價,網(wǎng)絡營銷,網(wǎng)絡優(yōu)化,王屋網(wǎng)站推廣為一體的創(chuàng)新建站企業(yè)，幫助傳統(tǒng)企業(yè)提升企業(yè)形象加強企業(yè)競爭力?？沙浞譂M足這一群體相比中小企業(yè)更為豐富、高端、多元的互聯(lián)網(wǎng)需求。同時我們時刻保持專業(yè)、時尚、前沿，時刻以成就客戶成長自我，堅持不斷學習、思考、沉淀、凈化自己，讓我們?yōu)楦嗟钠髽I(yè)打造出實用型網(wǎng)站。

import java.awt.event.*;

import java.util.*;

class p1 extends Panel

{

Label l1;

Font f=new Font("宋體",Font.BOLD,20);

p1()

{

setLayout(new GridLayout(1,1));

l1=new Label("網(wǎng)上選課記錄系統(tǒng)",Label.CENTER);

l1.setFont(f);

add(l1);

}

}

class p2 extends Panel

{

Label l1,l2;

TextField t1,t2;

p2()

{

setLayout(new GridLayout(1,4));

l1=new Label("姓名",Label.CENTER);

l2=new Label("學號",Label.CENTER);

t1=new TextField(10);

t2=new TextField(10);

add(l1);

add(t1);

add(l2);

add(t2);

}

}

class p3 extends Panel

{

Label l1,l2;

TextField t1,t2;

p3()

{

setLayout(new GridLayout(1,4));

l1=new Label("專業(yè)",Label.CENTER);

l2=new Label("所屬院(系)",Label.CENTER);

t1=new TextField(10);

t2=new TextField(10);

add(l1);

add(t1);

add(l2);

add(t2);

}

}

class p4 extends Panel

{

Label l1;

Button btn1;

Button btn2;

Button btn3;

Font f=new Font("宋體",Font.BOLD,20);

p4()

{

setLayout(new GridLayout(1,4));

l1=new Label("請選擇您要選修的課程并確認",Label.CENTER);

btn1=new Button("查詢");

btn2=new Button("確認");

btn3=new Button("退出系統(tǒng)");

add(l1);

add(btn1);

add(btn2);

add(btn3);

}

}

class p5 extends Panel

{

List list ;

p5()

{

setLayout(new GridLayout(1,1));

list=new List(8,true);

list.add("大學英語");

list.add("計算機圖形學");

list.add("JAVA語言");

list.add("高等數(shù)學");

list.add("數(shù)據(jù)結(jié)構(gòu)");

list.add("單片機");

list.add("網(wǎng)絡應用與開發(fā)");

list.add("概率論與數(shù)理統(tǒng)計");

list.add("管理學概論");

list.add("數(shù)據(jù)庫概論");

list.add("英語聽力");

list.add("VC++");

list.add("商務英語");

list.add("會計學");

list.add("經(jīng)濟學");

list.add("計算機網(wǎng)絡");

add(list);

}

}

class p6 extends Panel

{

TextArea ta;

p6()

{

setLayout(new GridLayout(1,1));

ta=new TextArea(8,30);

add(ta);

}

}

class p8 extends Panel

{

Label l1,l2,l3;

Label l4,l5,l6,l7,l9;

Panel p11,p22,p33,p44,p55;

TextField t1,t2;

Button btn;

p8()

{

p11=new Panel();

p22=new Panel();

p33=new Panel();

p44=new Panel();

p55=new Panel();

p11.setLayout(new GridLayout(1,1));

p22.setLayout(new GridLayout(1,1));

p33.setLayout(new GridLayout(1,4));

p44.setLayout(new GridLayout(1,4));

p55.setLayout(new GridLayout(1,1));

l4=new Label("");

l5=new Label("");

l6=new Label("");

l7=new Label("");

l9=new Label("");

l1=new Label("歡迎來到網(wǎng)上選課系統(tǒng)",Label.CENTER);

Font f=new Font("宋體",Font.BOLD,30);

l1.setFont(f);

l2=new Label("請輸入管理員帳號",Label.CENTER);

l3=new Label("請輸入管理員密碼",Label.CENTER);

setBackground(Color.lightGray);

btn=new Button("確定");

t1=new TextField(20);

t2=new TextField(15);

t2.setEchoChar(′*′);

l1.setForeground(Color.magenta);

t1.setBackground(Color.cyan);

t2.setBackground(Color.cyan);

t1.setForeground(Color.red);

t2.setForeground(Color.red);

l2.setForeground(Color.blue);

l3.setForeground(Color.blue);

p11.add(l1);

p22.add(l4);

p33.add(l5);

p33.add(l2);

p33.add(t1);

p33.add(l6);

p44.add(l7);

p44.add(l3);

p44.add(t2);

p44.add(btn);

p55.add(l9);

setLayout(new GridLayout(5,1));

add(p11);

add(p22);

add(p33);

add(p44);

add(p55);

}

}

class p9 extends Panel

{

p1 pn1=new p1();

p2 pn2=new p2();

p3 pn3=new p3();

p4 pn4=new p4();

p5 pn5=new p5();

p6 pn6=new p6();

p9()

{

setLayout(new GridLayout(6,1));

add(pn1);

add(pn2);

add(pn3);

add(pn4);

add(pn5);

add(pn6);

}

}

class user

{

String username;

String sd;

String major;

String institute;

String course;

user(String x1,String x2,String x3,String x4,String x5)

{

username=x1;

sd=x2;

major=x3;

institute=x4;

course=x5;

}

}

public class www

{

public static void main(String args[])

{

new m();

}

}

class m extends Frame implements ActionListener,ItemListener

{

StringBuffer ss=new StringBuffer("您好!您選修的課程有:");

Vector xiang=new Vector();

p9 pn9;

p8 pn8;

CardLayout cc=new CardLayout();

Button btn1;

Dialog d1;

m()

{

super("網(wǎng)上選課");

pn8=new p8();

pn9=new p9();

setLayout(cc);

add("one",pn8);

add("two",pn9);

btn1=new Button("確定");

pn9.pn1.l1.setBackground(Color.pink);

pn9.pn1.l1.setForeground(Color.blue);

pn9.pn2.l1.setBackground(Color.gray);

pn9.pn2.l1.setForeground(Color.orange);

pn9.pn2.l2.setBackground(Color.gray);

pn9.pn2.l2.setForeground(Color.orange);

pn9.pn3.l1.setBackground(Color.gray);

pn9.pn3.l1.setForeground(Color.orange);

pn9.pn3.l2.setBackground(Color.gray);

pn9.pn3.l2.setForeground(Color.orange);

pn9.pn2.t1.setForeground(Color.red);

pn9.pn2.t1.setBackground(Color.cyan);

pn9.pn2.t2.setForeground(Color.red);

pn9.pn2.t2.setBackground(Color.cyan);

pn9.pn3.t1.setForeground(Color.red);

pn9.pn3.t1.setBackground(Color.cyan);

pn9.pn3.t2.setForeground(Color.red);

pn9.pn3.t2.setBackground(Color.cyan);

pn9.pn5.list.setBackground(Color.pink);

pn9.pn5.list.setForeground(Color.blue);

pn9.pn6.ta.setBackground(Color.blue);

pn9.pn6.ta.setForeground(Color.white);

pn9.pn4.btn1.addActionListener(this);

pn9.pn4.btn2.addActionListener(this);

pn9.pn4.btn3.addActionListener(this);

pn9.pn5.list.addActionListener(this);

(pn9.pn5.list).addItemListener(this);

pn8.btn.addActionListener(this);

btn1.addActionListener(this);

setSize(650,400);

show();

}

public void actionPerformed(ActionEvent e)

{

xiang.addElement(new user("馬先生","23597483","計算機","計算機系","單片機，數(shù)學"));

xiang.addElement(new user("楊先生","7899452","計算機","計算機系","單片機，數(shù)學"));

xiang.addElement(new user("董先生","7899452","計算機","計算機系","單片機，數(shù)學"));

xiang.addElement(new user("何先生","7899453","計算機","計算機系","單片機，數(shù)學"));

if(e.getSource()==pn8.btn)

{

String ss="123";

if(ss.compareTo(pn8.t1.getText())==0ss.compareTo(pn8.t2.getText())==0)

cc.show(this,"two");

else

{

d1=new Dialog(this,"警告",true);

Panel p1=new Panel();

p1.add(new Label("您無權進本系統(tǒng)!"));

d1.add("Center",p1);

Panel p2=new Panel();

p2.add(btn1);

d1.add("South",p2);

d1.setSize(200,100);

d1.show();

}

}

if(e.getSource()==btn1)

{

d1.dispose();

}

if(e.getSource()==pn9.pn4.btn3)

{

dispose();

System.exit(0);

}

if(e.getSource()==pn9.pn4.btn2)

{

pn9.pn6.ta.setText("");

ss.append(" 您的姓名是:"+pn9.pn2.t1.getText()+" "+"您的學號是:"+pn9.pn2.t2.getText()+" ");

ss.append("您的專業(yè)是:"+pn9.pn3.t1.getText()+" "+"您所在院(系)是:"+pn9.pn3.t2.getText()+" ");

ss.append("您的所有信息將被保存!");

pn9.pn6.ta.setText(ss.toString());

user s1=new user(pn9.pn2.t1.getText(),pn9.pn2.t2.getText(),pn9.pn3.t1.getText(),pn9.pn3.t2.getText(),ss.toString());

int i;

for(i=0;ixiang.size();i++)

{

user s=(user)xiang.elementAt(i);

if(s.sd.compareTo(s1.sd)==0)

{

s.username=s1.username;

s.sd=s1.sd;

s.major=s1.major;

s.institute=s1.institute;

s.course=s1.course;

xiang.setElementAt(new user(s.username,s.sd,s.major,s.institute,s.course),i);

break;

}

}

if(i==xiang.size())

xiang.addElement(new user(pn9.pn2.t1.getText(),pn9.pn2.t2.getText(),pn9.pn3.t1.getText(),pn9.pn3.t2.getText(),ss.toString()));

}

if(e.getSource()==pn9.pn4.btn1)

{

pn9.pn6.ta.setText("");

if(pn9.pn2.t2.getText()=="")

{

d1=new Dialog(this,"注意",true);

Panel p1=new Panel();

p1.add(new Label("按學號進行查詢!請輸入學號!再按此鍵!"));

d1.add("Center",p1);

Panel p2=new Panel();

p2.add(btn1);

d1.add("South",p2);

d1.setSize(250,100);

d1.show();

}

int i;

for(i=0;ixiang.size();i++)

{

user s=(user)xiang.elementAt(i);

if(s.sd.compareTo(pn9.pn2.t2.getText())==0)

{

pn9.pn2.t1.setText(""+s.username);

pn9.pn3.t1.setText(""+s.major);

pn9.pn3.t2.setText(""+s.institute);

pn9.pn6.ta.setText("您選修的課程有:"+s.course);

break;

}

}

if(i==xiang.size())

{

d1=new Dialog(this,"警告",true);

Panel p1=new Panel();

p1.add(new Label("用戶不存在!請重新輸入!"));

d1.add("Center",p1);

Panel p2=new Panel();

p2.add(btn1);

d1.add("South",p2);

d1.setSize(200,100);

d1.show();

}

}

}

public void itemStateChanged(ItemEvent e)

{

List temp;

String sList[];

String mgr=new String("");

if(e.getItemSelectable()instanceof List)

{

temp=(List)(e.getItemSelectable());

sList=temp.getSelectedItems();

for(int i=0;isList.length;i++)

mgr=mgr+sList[i]+" ";

ss.append(mgr);

}

}

}

本程序已經(jīng)成功！??！望再驗證?。。?！

求用Java編寫的學生成績管理系統(tǒng)的完整代碼

package?jdbcproj;

import?java.sql.*;

import?java.awt.BorderLayout;

import?java.awt.EventQueue;

import?javax.swing.JFrame;

import?javax.swing.JPanel;

import?javax.swing.border.EmptyBorder;

import?javax.swing.JLabel;

import?javax.swing.JOptionPane;

import?javax.swing.JTextField;

import?javax.swing.JButton;

import?java.awt.event.ActionListener;

import?java.sql.Connection;

import?java.sql.PreparedStatement;

import?java.sql.SQLException;

import?java.awt.event.ActionEvent;

public?class?MainFrame?extends?JFrame?{

private?JPanel?contentPane;

private?JTextField?txtname;

private?JTextField?txtpassword;

/**

?*?Launch?the?application.

?*/

public?static?void?main(String[]?args)?{

EventQueue.invokeLater(new?Runnable()?{

public?void?run()?{

try?{

MainFrame?frame?=?new?MainFrame();

frame.setVisible(true);

}?catch?(Exception?e)?{

e.printStackTrace();

}

}

});

}

/**

?*?Create?the?frame.

?*/

public?MainFrame()?{

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setBounds(100,?100,?661,?399);

contentPane?=?new?JPanel();

contentPane.setBorder(new?EmptyBorder(5,?5,?5,?5));

setContentPane(contentPane);

contentPane.setLayout(null);

JLabel?lblNewLabel?=?new?JLabel("\u7528\u6237\u540D");

lblNewLabel.setBounds(114,?51,?72,?18);

contentPane.add(lblNewLabel);

JLabel?lblNewLabel_1?=?new?JLabel("\u5BC6\u7801");

lblNewLabel_1.setBounds(114,?106,?72,?18);

contentPane.add(lblNewLabel_1);

txtname?=?new?JTextField();

txtname.setBounds(261,?48,?86,?24);

contentPane.add(txtname);

txtname.setColumns(10);

txtpassword?=?new?JTextField();

txtpassword.setBounds(261,?103,?86,?24);

contentPane.add(txtpassword);

txtpassword.setColumns(10);

JButton?btnadd?=?new?JButton("\u589E\u52A0");

btnadd.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?e)?{

if(txtname.getText().equals("")||txtpassword.getText().equals(""))

{

JOptionPane.showMessageDialog(getContentPane(),?"用戶名和密碼不能為空","提示信息框",JOptionPane.WARNING_MESSAGE);

}

else{

Users?u=new?Users();

u.setPwd(txtpassword.getText());

u.setUsername(txtname.getText());

UserDAO?usdo=new?UserDAO();

usdo.addUser(u);

}

}

});

btnadd.setBounds(45,?205,?113,?27);

contentPane.add(btnadd);

JButton?btndelete?=?new?JButton("\u5220\u9664");

btndelete.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?arg0)?{

if(txtname.getText().equals(""))

{

JOptionPane.showMessageDialog(getContentPane(),?"用戶名不能為空","提示信息框",JOptionPane.WARNING_MESSAGE);

}

else{

UserDAO?usdo=new?UserDAO();

usdo.delUser(txtname.getText());;

}

}

});

btndelete.setBounds(172,?205,?113,?27);

contentPane.add(btndelete);

JButton?btnupdate?=?new?JButton("\u4FEE\u6539");

btnupdate.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?e)?{

if(txtname.getText().equals("")||txtpassword.getText().equals(""))

{

JOptionPane.showMessageDialog(getContentPane(),?"用戶名和密碼不能為空","提示信息框",JOptionPane.WARNING_MESSAGE);

}

else{

Users?u=new?Users();

u.setPwd(txtpassword.getText());

u.setUsername(txtname.getText());

UserDAO?usdo=new?UserDAO();

usdo.updateUser(u);;

}

}

});

btnupdate.setBounds(300,?205,?113,?27);

contentPane.add(btnupdate);

JButton?btnfind?=?new?JButton("\u67E5\u8BE2");

btnfind.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?e)?{

if(txtname.getText().equals(""))

{

JOptionPane.showMessageDialog(getContentPane(),?"用戶名不能為空","提示信息框",JOptionPane.WARNING_MESSAGE);

}

else{

Users?u=new?Users();

UserDAO?usdo=new?UserDAO();

u=usdo.findUser(txtname.getText(),?txtpassword.getText());

if(u!=null){

JOptionPane.showMessageDialog(getContentPane(),?"該用戶存在！","提示信息框",JOptionPane.WARNING_MESSAGE);

}

else{

JOptionPane.showMessageDialog(getContentPane(),?"該用戶不存在！","提示信息框",JOptionPane.WARNING_MESSAGE);

}

}

}

});

btnfind.setBounds(427,?205,?113,?27);

contentPane.add(btnfind);

//記得要寫這個

setVisible(true);

}

}

簡單的JAVA學生管理系統(tǒng)代碼···

lListStudent students = new ArrayListStudent();

BufferedReader br = new BufferedReader(new FileReader("D:\student.txt"));

String tmpStr = br.readLine();

while(tmpStr != null){

int firstIndex = tmpStr.indexOf(" ");

int secondIndex = tmpStr.indexOf(" ",firstIndex + 1);

int thirdIndex = tmpStr.indexOf(" ", secondIndex + 1);

int forthIndex = tmpStr.indexOf(" ", thirdIndex + 1);

Integer stuId = Integer.parseInt(tmpStr.substring(0,firstIndex));

String stuName = tmpStr.substring(firstIndex + 1,secondIndex);

Integer stuYW = Integer.parseInt(tmpStr.substring(secondIndex + 1,thirdIndex));

Integer stuSX = Integer.parseInt(tmpStr.substring(thirdIndex + 1,forthIndex));

Integer stuYY = Integer.parseInt(tmpStr.substring(forthIndex + 1));

Student student = new Student();

student.setStuId(stuId);

student.setStuName(stuName);

student.setStuYW(stuYW);

student.setStuSX(stuSX);

student.setStuYY(stuYY);

students.add(student);

tmpStr.readLine();

}

//創(chuàng)建一個學生實體類 封裝stuId stuName stuYW stuSx stuYY 這5個屬性。。。

//已經(jīng)幫你把數(shù)據(jù)拆分出來 并以Student 對象的形式放入集合中了 接下來 給分吧 哇咔咔

當前標題：教務系統(tǒng)的java代碼,教務系統(tǒng)編程
網(wǎng)頁URL：http://chinadenli.net/article38/heeipp.html

成都網(wǎng)站建設公司_創(chuàng)新互聯(lián)，為您提供網(wǎng)站設計、網(wǎng)站設計公司、軟件開發(fā)、靜態(tài)網(wǎng)站、微信公眾號、ChatGPT

廣告

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主，如果涉及侵權請盡快告知，我們將會在第一時間刪除。文章觀點不代表本網(wǎng)站立場，如需處理請聯(lián)系客服。電話：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時需注明來源： 創(chuàng)新互聯(lián)