<em>Mac</em>Book项目 2009年学校开始实施<em>Mac</em>Book项目,所有师生配备一本<em>Mac</em>Book,并同步更新了校园无线网络。学校每周进行电脑技术更新,每月发送技术支持资料,极大改变了教学及学习方式。因此2011
2021-06-01 09:32:01
Java實現學生管理系統(控制檯版本)
2022-06-11 14:01:47
前言介紹
最近很多同學找我幫忙做一些課程設計或Web前端大作業、其中控制檯專案應該是初學者必須經歷的一個過程、作為java初學者這個控制檯版本的學生資訊管理系統十分合適、用到的技術也是最簡單的JavaList集合、變數的宣告、物件的建立、一些基本的while語句、switch語句、迴圈遍歷等基礎語法。一個最基礎版本的控制檯學生管理系統也就是CRUD功能、 直接上完整程式碼
建立學生類Student
public class Student {
private String id;
private String name;
private String arg;
private String address;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getArg() {
return arg;
}
public void setArg(String arg) {
this.arg = arg;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}main方法實現CRUD
package com.railway.modules.base.test;
import java.util.ArrayList;
import java.util.Scanner;
public class TestStudent {
public static void main(String[] args) {
ArrayList<Student> array = new ArrayList<Student>();
while (true) {
System.out.println("----------學生管理系統-----------");
System.out.println("---------1.查詢學生資訊---------");
System.out.println("---------2.新增學生資訊---------");
System.out.println("---------3.刪除學生資訊---------");
System.out.println("---------4.修改學生資訊---------");
System.out.println("---------5.輸入你的選擇---------");
Scanner input = new Scanner(System.in);
int a = input.nextInt();
switch (a) {
case 1:
findAllStudent(array);
break;
case 2:
addStudent(array);
break;
case 3:
deleteStudent(array);
break;
case 4:
updateStudent(array);
break;
case 5:
default:
System.out.println("謝謝你的使用");
System.exit(0);
break;
}
}
}
}查詢方法
public static void findAllStudent(ArrayList<Student> array) {
// TODO Auto-generated method stub
if (array.size() == 0) {
System.out.println("對不起，沒有學生資訊");
System.out.println("請重新選擇");
return;
}
System.out.println("學號t姓名t年齡t居住地");
for (int x = 0; x < array.size(); x++) {
Student s = array.get(x);
System.out.println(s.getId() + "t" + s.getName() + "t"
+ s.getArg() + "t" + s.getAddress());
}
}
新增方法
public static void addStudent(ArrayList<Student> array) {
Scanner input = new Scanner(System.in);
String id;
while(true){
System.out.println("請輸入你的學號");
id = input.nextLine();
// 判斷ID是否重複；
boolean flag = false;
// 遍歷集合資訊
for (int x = 0; x < array.size(); x++) {
Student st = array.get(x);
// 取得該學生id與陣列中id進行對比
if (st.getId().equals(id)) {
flag = true;
break;
}
}
if (flag) {
System.out.println("對不起，學號被佔用");
}else{
break;
}
}
System.out.println("請輸入你的姓名");
String name = input.nextLine();
System.out.println("請輸入你的年齡");
String arg = input.nextLine();
System.out.println("請輸入你的地址");
String address = input.nextLine();
Student s = new Student();
s.setId(id);
s.setName(name);
s.setArg(arg);
s.setAddress(address);
array.add(s);
System.out.println("新增成功");
}刪除方法
public static void deleteStudent(ArrayList array) {
System.out.println("請輸入你想刪除學生的學號");
Scanner input = new Scanner(System.in);
String id = input.nextLine();
int index = -1;
for (int i = 0; i < array.size(); i++) {
Student s = (Student) array.get(i);
if (s.getId().equals(id)) {
index = i;
}
}
}修改方法
public static void updateStudent(ArrayList<Student> array) {
// TODO Auto-generated method stub
Scanner input = new Scanner(System.in);
System.out.println("請輸入你要修改的學號");
String id = input.nextLine();
int index = -1;
//變數集合
for (int i = 0; i < array.size(); i++) {
//獲取所有學生物件
Student s = array.get(i);
if (s.getId().equals(id)) {
index = i;
break;
}
}
if (index == -1) {
System.out.println("不好意思，你要修改的學生資訊不存在");
} else {
System.out.println("請輸入學生姓名");
String name = input.nextLine();
System.out.println("請輸入學生年齡");
String arg = input.nextLine();
System.out.println("請輸入學生地址");
String address = input.nextLine();
//建立學生物件
Student s = new Student();
s.setId(id);
s.setId(name);
s.setArg(arg);
s.setAddress(address);
//修改集合中的學生物件
array.set(index, s);
System.out.println("修改學生成功");
}
}控制檯列印
"C:Program FilesJavajdk1.8.0_51binjava" -Didea.launcher.port=7534 "-Didea.launcher.bin.path=D:Program Files (x86)JetBrainsIntelliJ IDEA 2016.3.6bin" -Dfile.encoding=UTF-8 -classpath "C:Program FilesJavajdk1.8.0_51jrelibcharsets.jar;C:Program FilesJavajdk1.8.0_51jrelibdeploy.jar;C:Program FilesJavajdk1.8.0_51jrelibextaccess-bridge-64.jar;C:Program FilesJavajdk1.8.0_51jrelibextcldrdata.jar;C:Program FilesJavajdk1.8.0_51jrelibextdnsns.jar;C:Program FilesJavajdk1.8.0_51jrelibextjaccess.jar;C:Program FilesJavajdk1.8.0_51jrelibextjfxrt.jar;C:Program FilesJavajdk1.8.0_51jrelibextlocaledata.jar;C:Program FilesJavajdk1.8.0_51jrelibextnashorn.jar;C:Program FilesJavajdk1.8.0_51jrelibextsunec.jar;C:Program FilesJavajdk1.8.0_51jrelibextsunjce_provider.jar;C:Program FilesJavajdk1.8.0_51jrelibextsunmscapi.jar;C:Program FilesJavajdk1.8.0_51jrelibextsunpkcs11.jar;C:Program FilesJavajdk1.8.0_51jrelibextzipfs.jar;C:Program FilesJavajdk1.8.0_51jrelibjavaws.jar;C:Program 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.2.11mchange-commons-java-0.2.11.jar;C:UsersAdministrator.m2repositorycommons-langcommons-lang2.6commons-lang-2.6.jar;C:UsersAdministrator.m2repositorycommons-fileuploadcommons-fileupload1.2.2commons-fileupload-1.2.2.jar;C:UsersAdministrator.m2repositorycommons-iocommons-io2.5commons-io-2.5.jar;C:UsersAdministrator.m2repositorycommons-codeccommons-codec1.10commons-codec-1.10.jar;C:UsersAdministrator.m2repositorycommons-configurationcommons-configuration1.10commons-configuration-1.10.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-core1.4.0shiro-core-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-lang1.4.0shiro-lang-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-cache1.4.0shiro-cache-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-crypto-hash1.4.0shiro-crypto-hash-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-crypto-core1.4.0shiro-crypto-core-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-crypto-cipher1.4.0shiro-crypto-cipher-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-config-core1.4.0shiro-config-core-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-config-ogdl1.4.0shiro-config-ogdl-1.4.0.jar;C:UsersAdministrator.m2repositorycommons-beanutilscommons-beanutils1.9.3commons-beanutils-1.9.3.jar;C:UsersAdministrator.m2repositorycommons-collectionscommons-collections3.2.2commons-collections-3.2.2.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-event1.4.0shiro-event-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-spring1.4.0shiro-spring-1.4.0.jar;C:UsersAdministrator.m2repositoryorgapacheshiroshiro-web1.4.0shiro-web-1.4.0.jar;C:UsersAdministrator.m2repositoryiojsonwebtokenjjwt .7.0jjwt-0.7.0.jar;C:UsersAdministrator.m2repositorycomfasterxmljacksoncorejackson-databind2.10.2jackson-databind-2.10.2.jar;C:UsersAdministrator.m2repositorycomgithubaxetkaptcha .0.9kaptcha-0.0.9.jar;C:UsersAdministrator.m2repositorycomjhlabsfilters2.0.235filters-2.0.235.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-swagger22.7.0springfox-swagger2-2.7.0.jar;C:UsersAdministrator.m2repositoryioswaggerswagger-annotations1.5.13swagger-annotations-1.5.13.jar;C:UsersAdministrator.m2repositoryioswaggerswagger-models1.5.13swagger-models-1.5.13.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-spi2.7.0springfox-spi-2.7.0.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-core2.7.0springfox-core-2.7.0.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-schema2.7.0springfox-schema-2.7.0.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-swagger-common2.7.0springfox-swagger-common-2.7.0.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-spring-web2.7.0springfox-spring-web-2.7.0.jar;C:UsersAdministrator.m2repositoryorgreflectionsreflections .9.11reflections-0.9.11.jar;C:UsersAdministrator.m2repositoryorgjavassistjavassist3.21.0-GAjavassist-3.21.0-GA.jar;C:UsersAdministrator.m2repositorycomgoogleguavaguava18.0guava-18.0.jar;C:UsersAdministrator.m2repositorycomfasterxmlclassmate1.5.1classmate-1.5.1.jar;C:UsersAdministrator.m2repositoryorgspringframeworkpluginspring-plugin-core1.2.0.RELEASEspring-plugin-core-1.2.0.RELEASE.jar;C:UsersAdministrator.m2repositoryorgspringframeworkpluginspring-plugin-metadata1.2.0.RELEASEspring-plugin-metadata-1.2.0.RELEASE.jar;C:UsersAdministrator.m2repositoryorgmapstructmapstruct1.1.0.Finalmapstruct-1.1.0.Final.jar;C:UsersAdministrator.m2repositoryiospringfoxspringfox-swagger-ui2.7.0springfox-swagger-ui-2.7.0.jar;C:UsersAdministrator.m2repositorycomqiniuqiniu-java-sdk7.2.23qiniu-java-sdk-7.2.23.jar;C:UsersAdministrator.m2repositorycomsquareupokhttp3okhttp3.14.6okhttp-3.14.6.jar;C:UsersAdministrator.m2repositorycomsquareupokiookio1.17.2okio-1.17.2.jar;C:UsersAdministrator.m2repositorycomaliyunossaliyun-sdk-oss2.8.3aliyun-sdk-oss-2.8.3.jar;C:UsersAdministrator.m2repositoryorgapachehttpcomponentshttpclient4.5.10httpclient-4.5.10.jar;C:UsersAdministrator.m2repositoryorgjdomjdom1.1jdom-1.1.jar;C:UsersAdministrator.m2repositorycomqcloudcos_api4.4cos_api-4.4.jar;C:UsersAdministrator.m2repositoryorgapachehttpcomponentshttpcore4.4.13httpcore-4.4.13.jar;C:UsersAdministrator.m2repositoryorgapachehttpcomponentshttpmime4.5.10httpmime-4.5.10.jar;C:UsersAdministrator.m2repositoryorgjsonjson20140107json-20140107.jar;C:UsersAdministrator.m2repositoryjunitjunit4.12junit-4.12.jar;C:UsersAdministrator.m2repositoryorghamcresthamcrest-core2.1hamcrest-core-2.1.jar;C:UsersAdministrator.m2repositoryjoda-timejoda-time2.9.9joda-time-2.9.9.jar;C:UsersAdministrator.m2repositorycomgooglecodegsongson2.8.5gson-2.8.5.jar;C:UsersAdministrator.m2repositorycomalibabafastjson1.2.72fastjson-1.2.72.jar;C:UsersAdministrator.m2repositorycnhutoolhutool-all4.1.1hutool-all-4.1.1.jar;C:UsersAdministrator.m2repositoryorgprojectlomboklombok1.18.4lombok-1.18.4.jar;C:UsersAdministrator.m2repositoryiominiominio8.0.3minio-8.0.3.jar;C:UsersAdministrator.m2repositorycomcarrotsearchthirdpartysimple-xml-safe2.7.1simple-xml-safe-2.7.1.jar;C:UsersAdministrator.m2repositorycomfasterxmljacksoncorejackson-annotations2.10.2jackson-annotations-2.10.2.jar;C:UsersAdministrator.m2repositorycomfasterxmljacksoncorejackson-core2.10.2jackson-core-2.10.2.jar;D:Program Files (x86)JetBrainsIntelliJ IDEA 2016.3.6libidea_rt.jar" com.intellij.rt.execution.application.AppMain com.railway.modules.base.test.TestStudent
----------學生管理系統-----------
---------1.查詢學生資訊---------
---------2.新增學生資訊---------
---------3.刪除學生資訊---------
---------4.修改學生資訊---------
---------5.輸入你的選擇---------
1
對不起，沒有學生資訊
請重新選擇
----------學生管理系統-----------
---------1.查詢學生資訊---------
---------2.新增學生資訊---------
---------3.刪除學生資訊---------
---------4.修改學生資訊---------
---------5.輸入你的選擇---------
2
請輸入你的學號
1
請輸入你的姓名
2
請輸入你的年齡
3請輸入你的地址
4新增成功
----------學生管理系統-----------
---------1.查詢學生資訊---------
---------2.新增學生資訊---------
---------3.刪除學生資訊---------
---------4.修改學生資訊---------
---------5.輸入你的選擇---------
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