java实现学生成绩信息管理系统-eolink官网

java实现学生成绩信息管理系统

java大作业：学生成绩管理系统（含有用户界面），供大家参考，具体内容如下

ps ：多个包写在一起

package test;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.util.ArrayList;

class person{

public String name;

public String age;

}

class Student extends person{

public String no;

public String score1,score2,score3,score4;

public Student(String no, String name, String age,String score1,String score2,String score3,String score4) {

this.no = no;

this.name = name;

this.age = age;

this.score1 = score1;

this.score2 = score2;

this.score3 = score3;

this.score4 = score4;

}

public String getNo() {

return this.no;

}

public void setNo(String no) {

this.no = no;

}

public String getName() {

return this.name;

}

public void setName(String name) {

this.name = name;

}

public String getAge() {

return this.age;

}

public void setAge(String age) {

this.age = age;

}

public String getscore1() {

return this.score1;

}

public void setscore1(String score1) {

this.score1 = score1;

}

public String getscore2() {

return this.score2;

}

public void setscore2(String score2) {

this.score2 = score2;

}

public String getscore3() {

return this.score3;

}

public void setscore3(String score3) {

this.score3 = score3;

}

public String getscore4() {

return this.score4;

}

public void setscore4(String score4) {

this.score4 = score4;

}

class Class{

ArrayList stuList;

public Class(){

this.stuList=new ArrayList<>();

}

public void addStudent(Student stu){

this.stuList.add(stu);

}

public void deleteStudent(Student s){

this.stuList.remove(s);

}

class menu extends JFrame{

public menu()

{

this.setBounds(300, 150, 500, 450);

this.setTitle("大连海事大学 -- --学生信息管理系统");

this.setLayout(null);

JLabel labTipw = new JLabel("欢迎进入大连海事大学学生信息管理系统");

labTipw.setBounds(50, 2, 250, 45);

JLabel labTipws = new JLabel("（*新用户初始密码为身份证后六位数字）");

labTipws.setBounds(50, 15, 250, 45);

JLabel labyonghu = new JLabel("用户名:");

labyonghu.setBounds(50, 60, 100, 50);

JTextField txtyonghu = new JTextField("请输入登录用户名：",30);

txtyonghu.setBounds(130, 76, 180, 30);

JLabel labmima = new JLabel("密码：");

labmima.setBounds(50, 100, 50, 50);

JTextField txtmima = new JTextField("请输入登录6位密码：",30);

txtmima.setBounds(130, 117, 180, 30);

JButton btndianji = new JButton("点击登录");

btndianji.setBounds(130, 165, 180, 30);

btndianji.setForeground(Color.BLUE);

this.add(labTipw);

this.add(labTipws);

this.add(labyonghu);

this.add(txtyonghu);

this.add(labmima);

this.add(txtmima);

this.add(btndianji);

btndianji.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

new StudentFrame();}

} );

setVisible(true);

}

public class StudentFrame extends JFrame {

Class c = new Class();

JLabel labNo;

JLabel labName;

JLabel labAge;

JLabel labscore1;

JLabel labscore2;

JLabel labscore3;

JLabel labscore4;

JLabel labTip;

JLabel labavr;

JTextField txtNo;

JTextField txtName;

JTextField txtAge;

JTextField txtscore1;

JTextField txtscore2;

JTextField txtscore3;

JTextField txtscore4;

JTextField txtavr;

JButton btnAdd;

JButton btnRemove;

JButton btnModify;

JButton btnClear;

JButton btnFirst;

JButton btnPrev;

JButton btnNext;

JButton btnLast;

JButton btnCheck;

JOptionPane dialog;

public StudentFrame() {

this.setBounds(300, 100, 650, 530);

this.setTitle("大连海事大学 -- --学生信息管理系统");

this.setLayout(null);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

studentin();

addStu();

firstStudent();

lastStudent();

previous();

next();

remove();

check();

modify();

clear();

this.setVisible(true);

}

public void studentin() {

labTip = new JLabel("登陆成功！您已经进入管理系统（仅输入学号便可查找学生信息）.");

labTip.setBounds(50, 2, 550, 45);

labNo = new JLabel("学生学号:");

labNo.setBounds(50, 20, 100, 50);

txtNo = new JTextField("请输入6位学号：",30);

txtNo.setBounds(130, 35, 180, 30);

labName = new JLabel("学生姓名:");

labName.setBounds(50, 60, 100, 50);

txtName = new JTextField("请输入学生姓名：",30);

txtName.setBounds(130, 76, 180, 30);

labAge = new JLabel("班级：");

labAge.setBounds(50, 100, 50, 50);

txtAge = new JTextField("请输入学生所在班级：",30);

txtAge.setBounds(130, 117, 180, 30);

labscore1 = new JLabel("JAVA 成绩:");

labscore1.setBounds(50, 140, 100, 50);

txtscore1 = new JTextField("请输入学生成绩：",30);

txtscore1.setBounds(130, 158, 180, 30);

labscore2 = new JLabel("C语言成绩:");

labscore2.setBounds(50, 189, 100, 50);

txtscore2 = new JTextField("请输入学生成绩：",30);

txtscore2.setBounds(130, 199, 180, 30);

labscore3 = new JLabel("python成绩:");

labscore3.setBounds(50, 230, 100, 50);

txtscore3 = new JTextField("请输入学生成绩：",30);

txtscore3.setBounds(130, 240, 180, 30);

labscore4 = new JLabel("C++ 成绩:");

labscore4.setBounds(50, 290, 100, 50);

txtscore4 = new JTextField("请输入学生成绩：",30);

txtscore4.setBounds(130, 301, 180, 30);

labavr = new JLabel("操作说明 ** |<< : 第一个学生信息 <:>：下一个学生信息 >>|：最后一个学生信息");

labavr.setBounds(50, 330, 580, 50);

btnAdd = new JButton("添加");

btnAdd.setBounds(50, 385, 80, 20);

btnAdd.setForeground(Color.BLACK);

btnModify = new JButton("修改");

btnModify.setBounds(150, 385, 80, 20);

btnModify.setForeground(Color.BLUE);

btnRemove = new JButton("删除");

btnRemove.setBounds(250, 385, 80, 20);

btnRemove.setForeground(Color.RED);

btnClear = new JButton("清空");

btnClear.setBounds(350, 385, 80, 20);

btnClear.setForeground(Color.GREEN);

btnCheck = new JButton("查找信息");

btnCheck.setBounds(350, 145, 160, 50);

btnCheck.setForeground(Color.BLACK);

btnFirst = new JButton("|<<");

btnFirst.setBounds(50, 432, 80, 20);

btnFirst.setForeground(Color.PINK);

btnPrev = new JButton("<");

btnPrev.setBounds(150, 432, 80, 20);

btnPrev.setForeground(Color.BLACK);

btnNext = new JButton(">");

btnNext.setBounds(250, 432, 80, 20);

btnNext.setForeground(Color.BLACK);

btnLast = new JButton(">>|");

btnLast.setBounds(350, 432, 80, 20);

btnLast.setForeground(Color.PINK);

this.add(labNo);

this.add(labName);

this.add(labAge);

this.add(labscore1);

this.add(txtNo);

this.add(labTip);

this.add(txtName);

this.add(txtAge);

this.add(txtscore1);

this.add(btnAdd);

this.add(btnRemove);

this.add(btnModify);

this.add(btnClear);

this.add(btnFirst);

this.add(btnPrev);

this.add(btnNext);

this.add(btnLast);

thihttp://s.add(btnCheck);

this.add(labavr);

this.add(labscore2);

this.add(txtscore2);

this.add(labscore3);

this.add(txtscore3);

this.add(labscore4);

this.add(txtscore4);

}

public boolean blank() {

if (txtNo.getText().equals("")) {

dialog.showMessageDialog(null, "学号输入有误请重新输入！");

return false;

}

if (txtName.getText().equals("")) {

dialog.showMessageDialog(null, "名字输入有误请重新输入！");

return false;

}

if (txtAge.getText().equals("")) {

dialog.showMessageDialog(null, "班级输入有误请重新输入！");

return false;

}if (txtscore1.getText().equals("")) {

dialog.showMessageDialog(null, "成绩输入有误请重新输入！");

return false;

}if (txtscore2.getText().equals("")) {

dialog.showMessageDialog(null, "成绩输入有误请重新输入！");

return false;

}

if (txtscore3.getText().equals("")) {

dialog.showMessageDialog(null, "成绩输入有误请重新输入！");

return false;

}

if (txtscore4.getText().equals("")) {

dialog.showMessageDialog(null, "成绩输入有误请重新输入！");

return false;

}

return true;

}

public void addStu() {

btnAdd.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if (blank() == true) {

c.addStudent(new Student(txtNo.getText(), txtName.getText(), txtAge.getText(),txtscore1.getText(),txtscore2.getText(),txtscore3.getText(),txtscore4.getText()));

dialog.showMessageDialog(null, "学生信息已添加成功");

}}});

}

public void firstStudent() {

btnFirst.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

txtNo.setText(c.stuList.get(0).getNo());

txtName.setText(c.stuList.get(0).getName());

txtAge.setText(c.stuList.get(0).getAge());

txtscore1.setText(c.stuList.get(0).getscore1());

txtscore2.setText(c.stuList.get(0).getscore2());

txtscore3.setText(c.stuList.get(0).getscore3());

txtscore4.setText(c.stuList.get(0).getscore4());

}

});

}

public void lastStudent() {

btnLast.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

txtNo.setText(c.stuList.get(c.stuList.size() - 1).getNo());

txtName.setText(c.stuList.get(c.stuList.size() - 1).getName());

txtAge.setText(c.stuList.get(c.stuList.size() - 1).getAge());

txtscore1.setText(c.stuList.get(c.stuList.size() - 1).getscore1());

txtscore2.setText(c.stuList.get(c.stuList.size() - 1).getscore2());

txtscore3.setText(c.stuList.get(c.stuList.size() - 1).getscore3());

txtscore4.setText(c.stuList.get(c.stuList.size() - 1).getscore4());

}

});

}

public void previous() {

btnPrev.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

int n = 0;

for (int i = 0; i < c.stuList.size(); i++) {

if (c.stuList.get(i).getNo().equals(txtNo.getText())) {

n = i - 1;

}

if (c.stuList.get(0).getNo().equals(txtNo.getText())) {

dialog.showMessageDialog(null, "再无上一个学生");

} else {

txtNo.setText(c.stuList.get(n).getNo());

txtName.setText(c.stuList.get(n).getName());

txtAge.setText(c.stuList.get(n).getAge());

txtscore1.setText(c.stuList.get(n).getscore1());

txtscore2.setText(c.stuList.get(n).getscore2());

txtscore3.setText(c.stuList.get(n).getscore3());

txtscore4.setText(c.stuList.get(n).getscore4());

}

});

}

public void next() {

btnNext.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

int n = 0;

for (int i = 0; i < c.stuList.size(); i++) {

if (c.stuList.get(i).getNo().equals(txtNo.getText())) {

n = i + 1;

}

if (c.stuList.get(c.stuList.size() - 1).getNo().equals(txtNo.getText())) {

dialog.showMessageDialog(null, "再无下一个学生");

} else {

txtNo.setText(c.stuList.get(n).getNo());

txtName.setText(c.stuList.get(n).getName());

txtAge.setText(c.stuList.get(n).getAge());

txtscore1.setText(c.stuList.get(n).getscore1());

txtscore2.setText(c.stuList.get(n).getscore2());

txtscore3.setText(c.stuList.get(n).getscore3());

txtscore4.setText(c.stuList.get(n).getscore4());}

}

});

}

public void remove() {

btnRemove.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if (c.stuList.size() == 0) {

JOptionPane.showMessageDialog(null, "没有该学生信息");

} else {

Student s = new Student(txtNo.getText(), txtName.getText(), txtAge.getText(),txtscore1.getText(),txtscore2.getText(),txtscore3.getText(),txtscore4.getText());

if (blank() == true) {

System.out.println(c.stuList.contains(s));

System.out.println(s);

if (!c.stuList.contains(s)) {

c.deleteStudent(s);

JOptionPane.showMessageDialog(null, "已经删除成功");

int a = 0;

for (int i = 0; i < c.stuList.size(); i++) {

if (c.stuList.get(i).getNo().equals(txtNo.getText())) {

a = i + 1;

}

if (c.stuList.size() > 0) {

if (c.stuList.get(c.stuList.size() - 1).getNo().equals(txtNo.getText())) {

txtNo.setText(c.stuList.get(0).getNo());

txtName.setText(c.stuList.get(0).getName());

txtAge.setText(c.stuList.get(0).getAge());

txtscore1.setText(c.stuList.get(0).getscore1());

txtscore2.setText(c.stuList.get(0).getscore2());

txtscore3.setText(c.stuList.get(0).getscore3());

txtscore4.setText(c.stuList.get(0).getscore4());

} else {

txtNo.setText(c.stuList.get(a).getNo());

txtName.setText(c.stuList.get(a).getName());

txtAge.setText(c.stuList.get(a).getAge());

txtscore1.setText(c.stuList.get(a).getscore1());

txtscore2.setText(c.stuList.get(a).getscore2());

txtscore3.setText(c.stuList.get(a).getscore3());

txtscore4.setText(c.stuList.get(a).getscore4());

}

} else {

clear();

}

} else {

dialog.showMessageDialog(null, "未来找到对应学生的信息"); }}

}

});

}

public void modify() {

btnModify.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if (c.stuList.size() == 0) {

dialog.showMessageDialog(null, "没有该学生信息");

}

for (Student s : c.stuList) {

if (s.getNo().equals(txtNo.getText())) {

if (blank() == true) {

s.setName(txtName.getText());

s.setAge(txtAge.getText());

JOptionPane.showMessageDialog(null, "已经修改成功");

return;

}

JOptionPane.showMessageDialog(null, "修改失败请重新操作");

}

});

}

public void check() {

btnCheck.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if ((txtNo.getText().equals(""))) {

dialog.showMessageDialog(null, "学号不能为空请从新输入");

} else {

int m = 0;

for (int i = 0; i < c.stuList.size(); i++) {

if (c.stuList.get(i).getNo().equals(txtNo.getText())) {

JOptionPane.showMessageDialog(null, "已查到该学生信息");

txtName.setText(c.stuList.get(i).getName());

txtAge.setText(c.stuList.get(i).getAge());

txtscore1.setText(c.stuList.get(i).getscore1());

txtscore2.setText(c.stuList.get(i).getscore2());

txtscore3.setText(c.stuList.get(i).getscore3());

txtscore4.setText(c.stuList.get(i).getscore4());

break;}

m++;}

if (m == c.stuList.size()) {

dialog.showMessageDialog(null, "没有此学生的相关信息");

return; }

}

});

}

public void clear() {

btnClear.addActionListener(new AcfBtKjMhYIctionListener() {

public void actionPerformed(ActionEvent e) {

txtNo.setText("");

txtName.setText("");

txtAge.setText("");

txtscore1.setText("");

txtscore2.setText("");

txtscore3.setText("");

txtscore4.setText("");

}

);

}

public static void main(String[] args) {

new menu();

}

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