java实现简单学生成绩档案管理系统（java学生成绩管理系统登录界面）

本文实例为大家分享了java学生成绩档案管理系统的具体代码，供大家参考，具体内容如下

学生成绩档案管理系统源代码：

student

public class students{

private String name;

private String number;

private int chinascore;

private int mathscore;

private int englishscore;

private int physcore;

public students(String name, String number, int chinascore, int mathscore, int englishscore, int physcore) {

this.name = name;

this.number = number;

this.chinascore = chinascore;

this.mathscore = mathscore;

this.englishscore = englishscore;

this.physcore = physcore;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getNumber() {

return number;

}

public void setNumber(String number) {

this.number = number;

}

public int getChinascore() {

return chinascore;

}

public void setChinascore(int chinascore) {

this.chinascore = chinascore;

}

public int getMathscore() {

return mathscore;

}

public void setMathscore(int mathscore) {

this.mathscore = mathscore;

}

public int getEnglishscore() {

return englishscore;

}

public void setEnglishscore(int englishscore) {

this.englishscore = englishscore;

}

public int getPhyscore() {

return physcore;

}

public void setPhyscore(int physcore) {

this.physcore = physcore;

}

}

database

import java.util.ArrayList;

import java.util.List;

public class database {

List studentsList = new ArrayList<>();

public database() {

studentsList.add(new students("张三", "1", 1, 1, 1, 1));

studentsList.add(new students("李四", "2", 8, 2, 2, 2));

studentsList.add(new students("王五", "3", 1, 3, 3, 3));

studentsList.add(new students("赵六", "4", 6, 4, 4, 4));

}

public List getStudentsList() {

return studentsList;

}

public void setStudentsList(List studentsList) {

this.studentsList = studentsList;

}

}

studentdao

import java.util.List;

import java.util.Scanner;

public class studentdao {

database database;

public studentdao(database dataBase) {

this.database = dataBase;

}

//对全部学生信息打印

public void print() {

List list = database.getStudentsList();

System.out.println("学生学号：" + "学生姓名" + " 语文：" + "数学：" + "英语：" + "物理："+"学生总分");

for (students students : database.getStudentsList()) {

int x=students.getChinascore()+students.getMathscore()+students.getEnglishscore()+students.getPhyscore();

System.out.println("" + students.getNumber() + " " + students.getName() + " " + students.getChinascore()

+ " " + students.getMathscore() + " " + students.getEnglishscore() + " " + students.getPhyscore()+" "+x);

}

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

int x=list.get(i).getChinascore()+list.get(i).getMathscore() +list.get(i).getEnglishscore()+list.get(i).getPhyscore();

System.out.println((i+1)+list.get(i).getNumber()+list.get(i).getName()+list.get(i).getChinascore()+list.get(i).getMathscore() +list.get(i).getEnglishscore()+list.get(i).getPhyscore() +x);

}

}

//添加新的学生

public void add() {

String number;

String name;

int grade1;

int grade2;

int grade3;

int grade4;

Scanner scanner = new Scanner(System.in);

System.out.println("输入学生的学号：");

number = scanner.next();

System.out.println("输入学生的姓名：");

name = scanner.next();

System.out.println("输入学生的语文成绩：");

grade1 = scanner.nextInt();

System.out.println("输入学生的数学成绩：");

grade2 = scanner.nextInt();

System.out.println("输入学生的英语成绩：");

grade3 = scanner.nextInt();

System.out.println("输入学生的物理成绩：");

grade4 = scanner.nextInt();

students students = new students(name, number, grade1, grade2, grade3, grade4);

List studentsList = database.getStudentsList();

studentsList.add(students);

}

//输入姓名或者学号来查询学生信息

public void searchstudent() {

Scanner scanner = new Scanner(System.in);

findbynumber();

}

//通过输入学号来查询信息

public void findbynumber() {

Scanner scanner = new Scanner(System.in);

System.out.println("输入学生的学号：");

String number = scanner.next();

for (students students : database.getStudentsList()) {

if (students.getNumber().equals(number)) {

System.out.println("学生学号：" + students.getNumber() + "学生姓名：" + students.getName()

+ "语文：" + students.getChinascore() + "数学：" + students.getMathscore()

+ "英语：" + students.getEnglishscore() + "物理：" + students.getPhyscore());

}

}

}

//通过学号来修改科目成绩

public void changescore() {

Scanner scanner = new Scanner(System.in);

System.out.println("输入学号：");

String number = scanner.next();

students students = null;

for (students a : database.getStudentsList()) {

if (a.getNumber().equals(number)) {

students = a;

}

}

if (students != null) {

System.out.println("查找成功！");

System.out.println("学生学号：" + students.getNumber() + "学生姓名：" + students.getName()

+ "语文：" + students.getChinascore() + "数学：" + students.getMathscore()

+ "英语：" + students.getEnglishscore() + "物理：" + students.getPhyscore());

System.out.println("输入要修改的语文的成绩：");

int grade1 = scanner.nextInt();

System.out.println("输入要修改的数学的成绩：");

int grade2 = scanner.nextInt();

System.out.println("输入要修改的英语的成绩：");

int grade3 = scanner.nextInt();

System.out.println("输入要修改的物理的成绩：");

int grade4 = scanner.nextInt();

students.setChinascore(grade1);

students.setMathscore(grade2);

students.setEnglishscore(grade3);

students.setPhyscore(grade4);

System.out.println("修改完成！");

System.out.println("学生学号：" + students.getNumber() + "学生姓名：" + students.getName()

+ "语文：" + students.getChinascore() + "数学：" + students.getMathscore()

+ "英语：" + students.getEnglishscore() + "物理：" + students.getPhyscore());

} else {

System.out.println("未找到该学生!");

}

}

//双向冒泡排序

public List bub(List studentList) {

List list = database.getStudentsList();

students student = null;

int left = 0, right = database.getStudentsList().size() - 1;

while (left < right) {

for (int i = left + 1; i <= right; i++) {

if (list.get(left).getChinascore() + list.get(left).getMathscore() + list.get(left).getEnglishscore() + list.get(left).getPhyscore() < list.get(i).getChinascore() + list.get(i).getMathscore() + list.get(i).getEnglishscore() + list.get(i).getPhyscore()) {

student = list.get(i);

list.set(i, list.get(left));

list.set(left, student);

}

}

left++;

for (int i = right - 1; i >= left; i--) {

if (list.get(right).getChinascore() + list.get(right).getMathscore() + list.get(right).getEnglishscore() + list.get(right).getPhyscore() > list.get(i).getChinascore() + list.get(i).getMathscore() + list.get(i).getEnglishscore() + list.get(i).getPhyscore()) {

{

student = list.get(i);

list.set(i, list.get(right));

list.set(right, student);

}

}

right--;

}

}

return list;

}

//希尔排序

public void shellSort () {

List list = database.getStudentsList();

students student = null;

students student1 = null;

int j;

for (int gap = list.size() / 2; gap > 0; gap /= 2) {

for (int i = gap; i < list.size(); i++) {

student = list.get(i);

int tmp = student.getChinascore() + student.getMathscore() + student.getEnglishscore() + student.getPhyscore();

for (j = i; j >= gap && tmp > list.get(j - gap).getChinascore() + list.get(j - gap).getMathscore() + list.get(j - gap).getEnglishscore() + list.get(j - gap).getPhyscore(); j -= gap) {

list.set(j, list.get(j - gap));

}

list.set(j, student);

}

}

}

//快速排序

public void quickSort1 ( int left, int right){

List studentsList = database.getStudentsList();

if (left < right) {

int i = left, j = right;

students student = studentsList.get(left);

int x = student.getChinascore() + student.getMathscore() + student.getEnglishscore() + student.getPhyscore();

while (i < j) {

while ((i < j) && (studentsList.get(j).getChinascore() + studentsList.get(j).getMathscore() + studentsList.get(j).getEnglishscore() + studentsList.get(j).getPhyscore()) < x) {

j--;

}

if (i < j) {

studentsList.set(i, studentsList.get(j));

i++;

}

while ((i < j) && (studentsList.get(i).getChinascore() + studentsList.get(i).getMathscore() + studentsList.get(i).getEnglishscore() + studentsList.get(i).getPhyscore() > x)) {

i++;

}

if (i < j) {

studentsList.set(j, studentsList.get(i));

j--;

}

}

studentsList.set(i, student);

quickSort1(left, i - 1);

quickSort1(i + 1, right);

}

}

//堆排序

//移除位在第一个数据的根节点，并做最大堆调整的递归运算

public List heapSort(List studentList){

List list=studentList;

int len = list.size();

buildMaxHeap(list, len);

for (int i = len - 1; i > 0; i--) {

swap(list, 0, i);

len--;

heapify(list, 0, len);

}

return list;

}

//将堆中的所有数据重新排序堆排序（HeapSort）

private void buildMaxHeap(List studentList, int len) {

for (int i = (int) Math.floor(len / 2); i >= 0; i--) {

heapify(studentList, i, len);

}

}

private void heapify(List studentList, int i, int len) {

int left = 2 * i + 1;

int right = 2 * i + 2;

int largest = i;

if (left < len && studentList.get(left).getChinascore() + studentList.get(left).getMathscore() + studentList.get(left).getEnglishscore() + studentList.get(left).getPhyscore()< studentList.get(largest).getChinascore() + studentList.get(largest).getMathscore() + studentList.get(largest).getEnglishscore() + studentList.get(largest).getPhyscore()) {

largest = left;

}

if (right < len && studentList.get(right).getChinascore() + studentList.get(right).getMathscore() + studentList.get(right).getEnglishscore() + studentList.get(right).getPhyscore()< studentList.get(largest).getChinascore() + studentList.get(largest).getMathscore() + studentList.get(largest).getEnglishscore() + studentList.get(largest).getPhyscore()) {

largest = right;

}

if (largest != i) {

swap(studentList, i, largest);

heapify(studentList, largest, len);

}

}

private void swap(List studentList, int i, int j) {

students student=studentList.get(i);

studentList.set(i,studentList.get(j));

studentList.set(j,student);

}

}

service

import java.util.Scanner;

public class service {

private studentdao studentdao;

;

private database database;

public service(database dataBase) {

studentdao = new studentdao(dataBase);

this.database = dataBase;

}

public void start() {

Scanner scanner = new Scanner(System.in);

System.out.println("1.增加学生信息");

System.out.println("2.浏览学生信息");

System.out.println("3.修改学生成绩");

System.out.println("4.排序学生成绩");

System.out.println("5.学生信息查询");

int choice = scanner.nextInt();

switch (choice) {

case 1:

add();

break;

case 2:

studentdao.print();

System.out.println("是否回到主界面0.回到1.不会");

int k=scanner.nextInt();

if(k==0) {

start();

}

break;

case 3:

changeit();break;

case 4:

rank();

break;

canKiyfIse 5:

search();break;

}

}

//选择排序方式

public void rank(){

System.out.println("1.希尔排序");

System.out.println("2.冒泡排序");

System.out.println("3.快速排序");

System.out.println("4.堆排序");

System.out.println("输入0返回菜单");

Scanner scanner = new Scanner(System.in);

int a=scanner.nextInt();

switch (a){

case 1:

studentdao.shellSort();

studentdao.print();

System.out.println("是否回到主界面0.回到1.不会");

int p=scanner.nextInt();

if(p==0) {

start();

}

break;

case 2:

studentdao.bub(database.getStudentsList());

studentdao.print();

System.out.println("是否回到主界面0.回到1.不会");

int k=scanner.nextInt();

if(k==0) {

start();

}

break;

case 3:

studentdao.quickSort1(0,database.getStudentsList().size()-1);

studentdao.print();

System.out.println("是否回到主界面0.回到1.不会");

int o=scanner.nextInt();

if(o==0) {

start();

}

nKiyfI break;

case 4:

studentdao.heapSort(database.getStudentsList());

studentdao.print();

System.out.println("是否回到主界面0.回到1.不会");

int k1=scanner.nextInt();

if(k1==0) {

start();

}

break;

case 0:start();

break;

}

}

//查找学生信息

public void search(){

studentdao.searchstudent();

Scanner scanner=new Scanner(System.in);

System.out.println("是否回到主界面0.回到1.不会");

int k=scanner.nextInt();

if(k==0) {

start();

}

}

//更改学生信息

public void changeit(){

studentdao.changescore();

System.out.println("是否回到主界面0.回到1.不会");

Scanner scanner=new Scanner(System.in);

int k=scanner.nextInt();

if(k==0) {

start();

}

}

//增加学生

public void add(){

studentdao.add();

System.out.http://println("是否回到主界面0.回到1.不会");

Scanner scanner=new Scanner(System.in);

int k=scanner.nextInt();

if(k==0) {

start();

}

}

}

text

public class text {

public static void main(String[]args){

database database = new database();

service studentsSer=new service(database);

studentsSer.start();

}

}

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