day13-作业

面向对象人力资源管理系统：

• 能存多个员工信息
  (每个员工的信息有：姓名、年龄、工号、薪资、职位、部门)
• 新员工入职（添加员工）
• 员工离职（删除员工）
• 查看某个员工的信息
• 查询薪资最高的员工
• 查询指定部门中所有员工的平均薪资
• 求整个公司的员工的平均年龄

import math
import random
class Clerk:
    def __init__(self,name='',age=0,pay=0,position='',branch=''):
        self.name = name
        self.age = age
        self.clerkid = str(random.randint(1,100)).rjust(5,'0')
        self.pay = pay
        self.position = position
        self.branch = branch
    def __str__(self):
        return
    # def create(self):
    #     clerk = {
    #         'name':self.name,
    #         'age':self.age,
    #         'clerkid':self.clerkid,
    #         'pay':self.pay,
    #         'position':self.position,
    #         'branch':self.branch
    #     }
        # print(clerk)
class Company:
    def __init__(self,name):
        self.company_name = name
        self.clerks = []
    #  新员工入职
    def add_clerk(self,clerk=None):
        self.clerks.append(clerk)



    #  员工离职
    def del_clerk(self,name):
        for clerk in self.clerks[:]:
            if clerk.name == name:
                self.clerks.remove(clerk)

    # 查看某个员工的信息
    def find_clerk(self,name):
        for clerk in self.clerks[:]:
            if clerk.name == name:
                print(clerk.name,clerk.age,clerk.clerkid,clerk.pay,clerk.position,clerk.branch)
                continue
    # 查询薪资最高的员工
    def find_maxpay(self):
        maxpay = []
        for clerk in self.clerks[:]:
            maxpay.append(clerk.pay)
        return print(max(maxpay))

    # 查询指定部门中所有员工的平均薪资
    def find_branch_ave(self,branch):
        branch_pay = []
        for clerk in self.clerks[:]:
            if clerk.branch == branch:
                branch_pay.append(clerk.branch)
        return print(sum(branch_pay)/len(branch_pay))

    # 求整个公司的平均年龄
    def company_average_age(self):
        ages = []
        for clerk in self.clerks[:]:
            ages.append(clerk.age)
        return print(sum(ages)/len(ages))

老师讲解代码

class Staff:
    def __init__(self,name,age,salary,job,department):
        self.name=''
        self.age=age
        self.id=''
        self.salary=salary
        self.job=job
        self.department=department
    def show_info(self):
        print('姓名：%s 工号：%s 部门：%s 职位：%s'% (self.name,self.id,self.department,self.job))


class HrManger:
    """人力资源管理系统"""
    # 整个公司的所有员工
    all_staff = []

    # 目前公司已经入职的人数
    numbers = 0


    __all_department = ['财务部','行政部门','研发部','总经办','后勤部']


    @classmethod
    def add_staff(cls):
        name = input('名字:')
        age = input('年龄:')
        salary = int(input('薪资:'))
        while True:
            print('公司部门:',*cls.__all_department)
            department = input('部门:')
            if department in cls.__all_department:
                break
            else:
                print('部门输入有误')
        job = input('职位:')

        # 生成工号
        cls.__number += 1
        id = str(cls.__numbers).rjust(4,'0')

        # 创建员工对象
        staff = Staff(name,age,salary,job,department)
        staff.id = id

        # 添加员工
        cls.all_staff.append(staff)

    @classmethod
    def del_staff(cls,name):
        """删除员工"""
        name = input('请输入要删除的员工姓名：')
        flag = False
        for staff in cls.all_staff:
            if staff.name == name:
                flag = True
                staff.show_info()
                value = input('是否删除(Y/N)')
                if value == 'Y':
                    cls.all_staff.remove(staff)
                    print('删除成功！')
        if not flag:
            print('公司没有该员工！')

    @classmethod
    def find_staff(cls,name):
        name = input('请输入要查找的员工姓名：')
        flag = False
        for staff in cls.all_staff:
            if staff.name == name:
                flag=True
                staff.show_info()
        if not flag:
            print('公司没有该员工！')

    @classmethod
    def get_most_rich(cls):
        if len(cls.all_staff) == 0:
            print('公司还没有员工！')
            return
        max_staff = cls.all_staff[0]
        for staff in cls.all_staff:
            if staff.salary > max_staff.salary:
                max_staff = staff
        print('薪资最高是：%s %d'% (max_staff.name,max_staff.salary))

    @classmethod
    def average_age(cls):
        if len(cls.all_staff) == 0:
            print('公司还没有员工！')
            return
        return sum(cls.all_staff)/len(cls.all_staff)