Java办公信息化管理系统 练习

编程题目要求

代码展示

package project0717;

/**
 * 部门类
 */
public class Department {
	// 成员属性
	private String departmentID;
	private String departmentName;
	private Staff[] staffs;
	private int staffNumber;

	// get方法
	public String getDepartmentID() {
		return departmentID;
	}

	public String getDepartmentName() {
		return departmentName;
	}

	public Staff[] getStaffs() {
		if (staffs == null) {
			this.staffs = new Staff[10];
		}
		return staffs;
	}

	public int getStaffNumber() {
		return staffNumber;
	}

	// set方法
	public void setDepartmentID(String departmentID) {
		this.departmentID = departmentID;
	}

	public void setDepartmentName(String departmentName) {
		this.departmentName = departmentName;
	}

	public void setStaffs(Staff[] staffs) {
		this.staffs = staffs;
	}

	public void setStaffNumber(int staffNumber) {
		this.staffNumber = staffNumber;
	}

	// 构造器
	public Department() {
		super();
	}

	public Department(String departmentID, String departmentName) {
		super();
		this.setDepartmentID(departmentID);
		this.setDepartmentName(departmentName);
	}

	// 成员方法
	/**
	 * 描述部门信息的方法
	 * 
	 * @return 返回包含部门编号，部门名称和部门人数的字符串
	 */
	public String departmentInfo() {
		String str = "部门编号：" + this.getDepartmentID() + "\n";
		str += "部门名称：" + this.getDepartmentName() + "\n";
		str += "部门人数：" + this.getStaffNumber();
		return str;
	}

	/**
	 * 将员工信息保存到对应部门的数组中
	 * 
	 * @param 实例化的员工对象
	 */
	public void addStaff(Staff staff) {
		int i;
		for (i = 0; i < this.getStaffs().length; i++) {
			if (this.getStaffs()[i] == null) {
				this.getStaffs()[i] = staff;
				break;
			}
		}
		this.setStaffNumber(i + 1);
	}

	/**
	 * 描述部门人数信息的方法
	 * 
	 * @return 返回某个部门人数信息的字符串
	 */
	public String departmentNumberInfo() {
		String str = this.getDepartmentName() + "总共有" + this.getStaffNumber() + "名：";
		for (int i = 0; i < this.getStaffNumber(); i++) {
			str += this.getStaffs()[i].getStaffName() + " ";
		}
		return str;
	}
}

package project0717;

/**
 * 职务类
 */
public class Position {
	// 成员属性
	private String positionID;
	private String positionName;
	private Staff[] positionStaffs;
	private int positionStaffNumber = 0;

	// get方法
	public String getPositionID() {
		return positionID;
	}

	public String getPositionName() {
		return positionName;
	}

	public Staff[] getPositionStaffs() {
		if (positionStaffs == null) {
			positionStaffs = new Staff[10];
		}
		return positionStaffs;
	}

	public int getPositionStaffNumber() {
		return positionStaffNumber;
	}

	// set方法
	public void setPositionID(String positionID) {
		this.positionID = positionID;
	}

	public void setPositionName(String positionName) {
		this.positionName = positionName;
	}

	public void setPositionStaffs(Staff[] positionStaffs) {
		this.positionStaffs = positionStaffs;
	}

	public void setPositionStaffNumber(int positionStaffNumber) {
		this.positionStaffNumber = positionStaffNumber;
	}

	// 构造器
	public Position() {
		super();
	}

	public Position(String positionID, String positionName) {
		super();
		this.positionID = positionID;
		this.positionName = positionName;
	}

	// 成员方法
	/**
	 * 描述职务信息的方法
	 * 
	 * @return 返回包含职务编号和职务名称的字符串
	 */
	public String positionInfo() {
		String str = "职务编号：" + this.getPositionID() + "\n";
		str += "职务名称：" + this.getPositionName();
		return str;
	}

	/**
	 * 将员工信息保存到对应职务的数组中
	 * 
	 * @param 实例化的员工对象
	 */
	public void addPositionStaff(Staff staff) {
		if (this.getPositionStaffNumber() < this.getPositionStaffs().length) {
			this.getPositionStaffs()[getPositionStaffNumber()] = staff;
			this.setPositionStaffNumber(getPositionStaffNumber() + 1);
		} else {
			System.out.println("数据录入失败！");
		}
	}

	/**
	 * 描述职务人数信息的方法
	 * 
	 * @return 返回某个职务人数信息的字符串
	 */
	public String positionNumberInfo() {
		String str = this.getPositionName() + "总共有" + this.getPositionStaffNumber() + "名：";
		for (int i = 0; i < this.getPositionStaffNumber(); i++) {
			str += this.getPositionStaffs()[i].getStaffName() + " ";
		}
		return str;
	}
}

package project0717;

/**
 * 员工类
 */
public class Staff {
	// 成员属性
	private String staffName;
	private String staffID;
	private String staffSex;
	private int staffAge;
	private Department department;
	private Position position;
	// 使用静态变量充当员工总数计数器
	private static int count = 0;

	// get方法
	public String getStaffName() {
		return staffName;
	}

	public String getStaffID() {
		return staffID;
	}

	public String getStaffSex() {
		return staffSex;
	}

	public int getStaffAge() {
		return staffAge;
	}

	public Department getDepartment() {
		if (department == null) {
			this.department = new Department();
		}
		return department;
	}

	public Position getPosition() {
		if (position == null) {
			this.position = new Position();
		}
		return position;
	}

	public static int getCount() {
		return count;
	}

	// set方法
	public void setStaffName(String staffName) {
		this.staffName = staffName;
	}

	public void setStaffID(String staffID) {
		this.staffID = staffID;
	}

	public void setStaffSex(String staffSex) {
		if (staffSex.equals("女")) {
			this.staffSex = "女";
			return;
		}
		this.staffSex = "男";
	}

	public void setStaffAge(int staffAge) {
		if (staffAge > 18 && staffAge <= 65) {
			this.staffAge = staffAge;
			return;
		}
		this.staffAge = 18;
	}

	public void setDepartment(Department department) {
		this.department = department;
	}

	public void setPosition(Position position) {
		this.position = position;
	}

	// 构造器
	public Staff() {
		super();
		count++;
	}

	public Staff(String staffName, String staffID, String staffSex, int staffAge, Department department,
			Position position) {
		super();
		this.setStaffName(staffName);
		this.setStaffID(staffID);
		this.setStaffSex(staffSex);
		this.setStaffAge(staffAge);
		this.setDepartment(department);
		this.setPosition(position);
		// 每次实例化对象 相应的计数
		department.addStaff(this);
		position.addPositionStaff(this);
		count++;
	}

	// 成员方法
	/**
	 * 描述员工信息的方法
	 * 
	 * @return 返回员工姓名，员工工号，员工性别，员工年龄和员工职务的字符串
	 */
	public String staffInfo() {
		String str = "姓名：" + this.getStaffName() + "\n";
		str += "工号：" + this.getStaffID() + "\n";
		str += "性别：" + this.getStaffSex() + "\n";
		str += "年龄：" + this.getStaffAge() + "\n";
		str += "职务：" + this.getDepartment().getDepartmentName() + this.getPosition().getPositionName();
		return str;
	}

	/**
	 * 描述公司总员工数量的方法
	 * 
	 * @return 返回公司员工数量的字符串
	 */
	public static String staffNumberInfo() {
		String str = "本公司共有" + getCount() + "名员工";
		return str;
	}
}

package project0717;

/**
 * 测试类
 */
public class Test {
	public static void horizontalRule() {
		System.out.println("==========================");
	}

	public static void main(String[] args) {
		// 初始化部门
		Department d1 = new Department("D001", "人事部");
		Department d2 = new Department("D002", "市场部");
		// 初始化职务
		Position p1 = new Position("P001", "经理");
		Position p2 = new Position("P002", "助理");
		Position p3 = new Position("P003", "职员");
		// 初始化员工
		Staff s1 = new Staff("张铭", "S001", "男", 29, d1, p1);
		Staff s2 = new Staff("李艾爱", "S002", "女", 21, d1, p2);
		Staff s3 = new Staff("孙超", "S003", "男", 29, d1, p3);
		Staff s4 = new Staff("张美美", "S004", "女", 26, d2, p3);
		Staff s5 = new Staff("蓝迪", "S005", "男", 37, d2, p1);
		Staff s6 = new Staff("米莉", "S006", "女", 24, d2, p3);
		// 输出员工各自信息
		System.out.println(s1.staffInfo());
		horizontalRule();
		System.out.println(s2.staffInfo());
		horizontalRule();
		System.out.println(s3.staffInfo());
		horizontalRule();
		System.out.println(s4.staffInfo());
		horizontalRule();
		System.out.println(s5.staffInfo());
		horizontalRule();
		System.out.println(s6.staffInfo());
		horizontalRule();
		// 输出部门人数汇总信息
		System.out.println(d1.departmentNumberInfo());
		System.out.println(d2.departmentNumberInfo());
		horizontalRule();
		// 输出职务人数汇总信息
		System.out.println(p1.positionNumberInfo());
		System.out.println(p2.positionNumberInfo());
		System.out.println(p3.positionNumberInfo());
		horizontalRule();
		// 输出员工总数信息
		System.out.println(Staff.staffNumberInfo());
	}
}

控制台输出结果