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
packagetest;
importjava.awt.*;
importjava.awt.event.*;
importjavax.swing.*;
importjava.util.ArrayList;
classperson{
publicStringname;
publicStringage;
}
classStudentextendsperson{
publicStringno;
publicStringscore1,score2,score3,score4;
publicStudent(Stringno,Stringname,Stringage,Stringscore1,Stringscore2,Stringscore3,Stringscore4){
this.no=no;
this.name=name;
this.age=age;
this.score1=score1;
this.score2=score2;
this.score3=score3;
this.score4=score4;
}
publicStringgetNo(){
returnthis.no;
}
publicvoidsetNo(Stringno){
this.no=no;
}
publicStringgetName(){
returnthis.name;
}
publicvoidsetName(Stringname){
this.name=name;
}
publicStringgetAge(){
returnthis.age;
}
publicvoidsetAge(Stringage){
this.age=age;
}
publicStringgetscore1(){
returnthis.score1;
}
publicvoidsetscore1(Stringscore1){
this.score1=score1;
}
publicStringgetscore2(){
returnthis.score2;
}
publicvoidsetscore2(Stringscore2){
this.score2=score2;
}
publicStringgetscore3(){
returnthis.score3;
}
publicvoidsetscore3(Stringscore3){
this.score3=score3;
}
publicStringgetscore4(){
returnthis.score4;
}
publicvoidsetscore4(Stringscore4){
this.score4=score4;
}
}
classClass{
ArrayListstuList;
publicClass(){
this.stuList=newArrayList<>();
}
publicvoidaddStudent(Studentstu){
this.stuList.add(stu);
}
publicvoiddeleteStudent(Students){
this.stuList.remove(s);
}
}
classmenuextendsJFrame{
publicmenu()
{
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);
JLabellabTipw=newJLabel("欢迎进入大连海事大学学生信息管理系统");
labTipw.setBounds(50,2,250,45);
JLabellabTipws=newJLabel("（*新用户初始密码为身份证后六位数字）");
labTipws.setBounds(50,15,250,45);
JLabellabyonghu=newJLabel("用户名:");
labyonghu.setBounds(50,60,100,50);
JTextFieldtxtyonghu=newJTextField("请输入登录用户名：",30);
txtyonghu.setBounds(130,76,180,30);
JLabellabmima=newJLabel("密码：");
labmima.setBounds(50,100,50,50);
JTextFieldtxtmima=newJTextField("请输入登录6位密码：",30);
txtmima.setBounds(130,117,180,30);
JButtonbtndianji=newJButton("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(newActionListener(){
publicvoidactionPerformed(ActionEvente){
newStudentFrame();}
});
setVisible(true);
}
}
publicclassStudentFrameextendsJFrame{
Classc=newClass();
JLabellabNo;
JLabellabName;
JLabellabAge;
JLabellabscore1;
JLabellabscore2;
JLabellabscore3;
JLabellabscore4;
JLabellabTip;
JLabellabavr;
JTextFieldtxtNo;
JTextFieldtxtName;
JTextFieldtxtAge;
JTextFieldtxtscore1;
JTextFieldtxtscore2;
JTextFieldtxtscore3;
JTextFieldtxtscore4;
JTextFieldtxtavr;
JButtonbtnAdd;
JButtonbtnRemove;
JButtonbtnModify;
JButtonbtnClear;
JButtonbtnFirst;
JButtonbtnPrev;
JButtonbtnNext;
JButtonbtnLast;
JButtonbtnCheck;
JOptionPanedialog;
publicStudentFrame(){
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);
}
publicvoidstudentin(){
labTip=newJLabel("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=newJLabel("学生学号:");
labNo.setBounds(50,20,100,50);
txtNo=newJTextField("请输入6位学号：",30);
txtNo.setBounds(130,35,180,30);
labName=newJLabel("学生姓名:");
labName.setBounds(50,60,100,50);
txtName=newJTextField("请输入学生姓名：",30);
txtName.setBounds(130,76,180,30);
labAge=newJLabel("班级：");
labAge.setBounds(50,100,50,50);
txtAge=newJTextField("请输入学生所在班级：",30);
txtAge.setBounds(130,117,180,30);
labscore1=newJLabel("JAVA成绩:");
labscore1.setBounds(50,140,100,50);
txtscore1=newJTextField("请输入学生成绩：",30);
txtscore1.setBounds(130,158,180,30);
labscore2=newJLabel("C语言成绩:");
labscore2.setBounds(50,189,100,50);
txtscore2=newJTextField("请输入学生成绩：",30);
txtscore2.setBounds(130,199,180,30);
labscore3=newJLabel("Python成绩:");
labscore3.setBounds(50,230,100,50);
txtscore3=newJTextField("请输入学生成绩：",30);
txtscore3.setBounds(130,240,180,30);
labscore4=newJLabel("C++成绩:");
labscore4.setBounds(50,290,100,50);
txtscore4=newJTextField("请输入学生成绩：",30);
txtscore4.setBounds(130,301,180,30);
labavr=newJLabel("操作说明**|<<:第一个学生信息<:上一位学生信息>：下一个学生信息>>|：最后一个学生信息");
labavr.setBounds(50,330,580,50);
btnAdd=newJButton("添加");
btnAdd.setBounds(50,385,80,20);
btnAdd.setForeground(Color.BLACK);
btnModify=newJButton("修改");
btnModify.setBounds(150,385,80,20);
btnModify.setForeground(Color.BLUE);
btnRemove=newJButton("删除");
btnRemove.setBounds(250,385,80,20);
btnRemove.setForeground(Color.RED);
btnClear=newJButton("清空");
btnClear.setBounds(350,385,80,20);
btnClear.setForeground(Color.GREEN);
btnCheck=newJButton("查找信息");
btnCheck.setBounds(350,145,160,50);
btnCheck.setForeground(Color.BLACK);
btnFirst=newJButton("|<<");
btnFirst.setBounds(50,432,80,20);
btnFirst.setForeground(Color.PINK);
btnPrev=newJButton("<");
btnPrev.setBounds(150,432,80,20);
btnPrev.setForeground(Color.BLACK);
btnNext=newJButton(">");
btnNext.setBounds(250,432,80,20);
btnNext.setForeground(Color.BLACK);
btnLast=newJButton(">>|");
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);
this.add(btnCheck);
this.add(labavr);
this.add(labscore2);
this.add(txtscore2);
this.add(labscore3);
this.add(txtscore3);
this.add(labscore4);
this.add(txtscore4);
}
publicbooleanblank(){
if(txtNo.getText().equals("")){
dialog.showMessageDialog(null,"学号输入有误请重新输入！");
returnfalse;
}
if(txtName.getText().equals("")){
dialog.showMessageDialog(null,"名字输入有误请重新输入！");
returnfalse;
}
if(txtAge.getText().equals("")){
dialog.showMessageDialog(null,"班级输入有误请重新输入！");
returnfalse;
}if(txtscore1.getText().equals("")){
dialog.showMessageDialog(null,"成绩输入有误请重新输入！");
returnfalse;
}if(txtscore2.getText().equals("")){
dialog.showMessageDialog(null,"成绩输入有误请重新输入！");
returnfalse;
}
if(txtscore3.getText().equals("")){
dialog.showMessageDialog(null,"成绩输入有误请重新输入！");
returnfalse;
}
if(txtscore4.getText().equals("")){
dialog.showMessageDialog(null,"成绩输入有误请重新输入！");
returnfalse;
}
returntrue;
}
publicvoidaddStu(){
btnAdd.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
if(blank()==true){
c.addStudent(newStudent(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");
}}});
}
publicvoidfirstStudent(){
btnFirst.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
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());
}
});
}
publicvoidlastStudent(){
btnLast.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
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());
}
});
}
publicvoidprevious(){
btnPrev.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
intn=0;
for(inti=0;i0){
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");}}
}
}
});
}
publicvoidmodify(){
btnModify.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
if(c.stuList.size()==0){
dialog.showMessageDialog(null,"没有该学生信息");
}
for(Students: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");
}
});
}
publicvoidcheck(){
btnCheck.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
if((txtNo.getText().equals(""))){
dialog.showMessageDialog(null,"学号不能为空请从新输入");
}else{
intm=0;
for(inti=0;i
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