java项目：基于java开发的学生成绩管理系统（java控制台版本）完整源码分享给需要的同学

package com.company; import java.util.ArrayList; import java.util.Scanner; public class StuManager { public static void main(String[] args) { // write your code here StuManager stuManager = new StuManager(); ArrayList<StudentInfo> stuList = new ArrayList<StudentInfo>(); //文件读取 StudentInfo stuInfo = new StudentInfo(); stuInfo.setstuId("001"); stuInfo.setpwd("123"); stuInfo.setstuName("张三"); stuInfo.setstuClass("一班"); stuInfo.setsubject("数学"); stuInfo.setscore("89"); stuList.add(stuInfo); stuInfo = new StudentInfo(); stuInfo.setstuId("002"); stuInfo.setpwd("123"); stuInfo.setstuName("李四"); stuInfo.setstuClass("一班"); stuInfo.setsubject("数学"); stuInfo.setscore("90"); stuList.add(stuInfo); stuManager.menuFist(stuList); // for(int i=0;i<stuList.size();i++){ // System.out.println(stuList.get(i).getstuId()); // } } //首页菜单 public void menuFist(ArrayList<StudentInfo> stuList) { while(true){ System.out.println("***************************************"); System.out.println(" 学生成绩管理系统 "); System.out.println("*************首页菜单*********************"); System.out.println(" 0.退出系统 "); System.out.println(" 1.注册 "); System.out.println(" 2.登录 "); System.out.print("请选择操作:"); //输入选项 int a; Scanner in=new Scanner(System.in); a=in.nextInt(); switch(a) { case 0: System.out.print("期待您的下次使用！"); System.exit(0); case 1:register(stuList);break; case 2:login(stuList);break; default: System.out.print("输入无效，请重新输入:"); a=in.nextInt(); break; } } } //功能页菜单 public void menuSecond(ArrayList<StudentInfo> stuList){ Scanner in=new Scanner(System.in); while(true){ System.out.println("***************************************"); System.out.println(" 学生成绩管理系统 "); System.out.println("*************功能页菜单*********************"); System.out.println(" 0.返回首页 "); System.out.println(" 1.成绩录入 "); System.out.println(" 2.成绩查询 "); System.out.print("请选择操作:"); //输入选项 int a = 0; a=in.nextInt(); switch(a) { case 0: System.out.print("正在返回首页..."); return; case 1:add(stuList);break; case 2:search(stuList);break; default: System.out.print("输入无效，请重新输入:"); a=in.nextInt(); break; } System.out.println(" 请继续下一个操作选项: "); } } //录入 public void add(ArrayList<StudentInfo> stuList){ System.out.println("**************************************************"); System.out.println(" 学生成绩管理系统 "); System.out.println(" 成绩录入界面 "); // StudentInfo stuInfo = new StudentInfo(); Scanner in=new Scanner(System.in); StudentInfo stuInfo = new StudentInfo(); System.out.println(" 请输入学号: "); stuInfo.setstuId(in.next()); System.out.println(" 请输入姓名: "); stuInfo.setstuName(in.next()); System.out.println(" 请输入所属班级: "); stuInfo.setstuClass(in.next()); System.out.println(" 请输入课程名称: "); stuInfo.setsubject(in.next()); System.out.println(" 请输入成绩分数: "); stuInfo.setscore(in.next()); stuList.add(stuInfo); System.out.println(" 录入成功！ "); } //查询 public void search(ArrayList<StudentInfo> stuList){ System.out.println("**************************************************"); System.out.println(" 学生成绩管理系统 "); System.out.println(" 成绩查询界面 "); Scanner in=new Scanner(System.in); StudentInfo stuInfo = new StudentInfo(); while(true) { System.out.println("请选择查询方式：0.取消查询 1.按姓名查询 2.按学号查询 3.按班级查询 4.显示全部---------------------------------"); //输入选项 int a; a = in.nextInt(); boolean some = false; String look = ""; switch (a){ case 0: System.out.print("正在退出查询..."); return; case 1: System.out.println("输入查询内容："); look = in.next(); System.out.println("按姓名查询结果如下:"); for (int i = 0; i < stuList.size(); i++) { if (look.equals(stuList.get(i).getstuName())) { some = true; System.out.println("学号："+stuList.get(i).getstuId()+" 姓名："+stuList.get(i).getstuName()+" 班级："+stuList.get(i).getstuClass()+" 课程："+stuList.get(i).getsubject()+" 成绩："+stuList.get(i).getscore()); } } if (some == false) { System.out.println(" 空！"); } break; case 2: System.out.print("输入查询内容："); look = in.next(); System.out.println("按学号查询结果如下:"); for (int i = 0; i < stuList.size(); i++) { if (look.equals(stuList.get(i).getstuId())) { some = true; System.out.println("学号："+stuList.get(i).getstuId()+" 姓名："+stuList.get(i).getstuName()+" 班级："+stuList.get(i).getstuClass()+" 课程："+stuList.get(i).getsubject()+" 成绩："+stuList.get(i).getscore()); } } if (some == false) { System.out.println(" 空！"); } break; case 3: System.out.print("输入查询内容："); look = in.next(); System.out.println("按班级查询结果如下:"); for (int i = 0; i < stuList.size(); i++) { if (look.equals(stuList.get(i).getstuClass())) { some = true; System.out.println("学号："+stuList.get(i).getstuId()+" 姓名："+stuList.get(i).getstuName()+" 班级："+stuList.get(i).getstuClass()+" 课程："+stuList.get(i).getsubject()+" 成绩："+stuList.get(i).getscore()); } } if (some == false) { System.out.println(" 空！"); } break; case 4: System.out.println("显示全部如下:"); for (int i = 0; i < stuList.size(); i++){