Java 练习(开发团队调度软件五)

TSUtility.java

package com.klvchen.team.view;

import java.util.*;

import org.junit.jupiter.api.Test;

//项目中提供了TSUtility.java类,可用来方便地实现键盘访问。

public class TSUtility {
    private static Scanner scanner = new Scanner(System.in);

    //该方法读取键盘，如果用户键入'1’-'4’中的任意字符,则方法返回。返回值为用户键入的字符
	public static char readMenuSelection() {
        char c;
        for (; ; ) {
            String str = readKeyBoard(1, false);
            c = str.charAt(0);
            if (c != '1' && c != '2' &&
                c != '3' && c != '4') {
                System.out.print("选择错误，请重新输入：");
            } else break;
        }
        return c;
    }
	
	//该方法提示并等待,直到用户按回车键后返回。
    public static void readReturn() {
        System.out.print("按回车键继续...");
        readKeyBoard(100, true);
    }

    //该方法从键盘读取一个长度不超过2位的整数,并将其作为方法的返回值。
    public static int readInt() {
        int n;
        for (; ; ) {
            String str = readKeyBoard(2, false);
            try {
                n = Integer.parseInt(str);
                break;
            } catch (NumberFormatException e) {
                System.out.print("数字输入错误，请重新输入：");
            }
        }
        return n;
    }

    public static char readConfirmSelection() {
        char c;
        for (; ; ) {
            String str = readKeyBoard(1, false).toUpperCase();
            c = str.charAt(0);
            if (c == 'Y' || c == 'N') {
                break;
            } else {
                System.out.print("选择错误，请重新输入：");
            }
        }
        return c;
    }

    private static String readKeyBoard(int limit, boolean blankReturn) {
        String line = "";

        while (scanner.hasNextLine()) {
            line = scanner.nextLine();
            if (line.length() == 0) {
                if (blankReturn) return line;
                else continue;
            }

            if (line.length() < 1 || line.length() > limit) {
                System.out.print("输入长度（不大于" + limit + "）错误，请重新输入：");
                continue;
            }
            break;
        }

        return line;
    }
   
}

TeamView.java

package com.klvchen.team.view;

import com.klvchen.team.domain.*;
import com.klvchen.team.service.*;

public class TeamView {
	
	private NameListService listSvc = new NameListService();
	
	private TeamService teamSvc = new TeamService();
	
	public void enterMainMenu() {
		
		boolean loopFlag = true;
		char menu = 0;
		
		while(loopFlag) {
			
			if(menu != '1') {
				listAllEmployees();
			}
			
			System.out.print("1-团队列表 2-添加团队成员 3-删除团队成员 4-退出 请选择(1-4): ");
			
			menu = TSUtility.readMenuSelection();
			switch(menu) {
			case '1':
				getTeam();
				break;
			case '2':
				addMember();
				break;
			case '3':
				deleteMember();
				break;
			case '4':
				System.out.println("确认是否退出(Y/N): ");
				char isExit = TSUtility.readConfirmSelection();
				if(isExit == 'Y') {
					loopFlag = false;
				}
				break;
			}
		}
		
	}
	
	//显示所有的员工信息
	private void listAllEmployees() {
		System.out.println("------------------------------开发团队调度软件------------------------------");
		
		Employee[] employees = listSvc.getAllEmployees();
		if(employees == null ||employees.length == 0) {
			System.out.println("公司没有任何员工!");
		}else {
			System.out.println("ID\t姓名\t年龄\t工资\t\t职位\t状态\t奖金\t股票\t领用设备");
			
			for(int i = 0; i < employees.length; i++) {
				System.out.println(employees[i]);
			}
		}
		
		System.out.println("------------------------------------------------------------");

	}
	
	private void getTeam() {
		System.out.println("------------------------------团队成员列表------------------------------");

		Programmer[] team = teamSvc.getTeam();
		if(team == null || team.length == 0) {
			System.out.println("开发团队目前没有成员!");
		}else {
			System.out.println("TID/ID\t姓名\t年龄\t工资\t职位\t奖金\t股票");
			for(int i = 0; i < team.length; i++) {
				System.out.println(team[i].getDetailsForTeam());
			}
		}
		
		System.out.println("---------------------------------------------------------------------");
	}
	
	private void addMember() {
		System.out.println("-----------------------------添加成员-----------------------------");
		System.out.println("请输入要添加的员工ID：");
		int id = TSUtility.readInt();
		
		try {
			Employee emp = listSvc.getEmployee(id);
			teamSvc.addMember(emp);
			System.out.println("添加成功");
		} catch (TeamException e) {
			System.out.println("添加失败，原因：" + e.getMessage());
		}
		//按回车键继续...
		TSUtility.readReturn();
	}
	
	private void deleteMember() {
		System.out.println("------------------------------删除成员------------------------------");
		System.out.println("请输入要删除员工的TID：");
		int memberId = TSUtility.readInt();
		
		System.out.println("确认是否删除(Y/N)");
		char isDelete = TSUtility.readConfirmSelection();
		
		if(isDelete == 'N') {
			return;
		}
		
		try {
			teamSvc.removeMember(memberId);
			System.out.println("删除成功");
		}catch(TeamException e) {
			System.out.println("删除失败, 原因: " + e.getMessage());
		}
		
		//按回车键继续...
		TSUtility.readReturn();
	}
	
	public static void main(String[] args) {
		TeamView view = new TeamView();
		view.enterMainMenu();
	}
}

运行测试