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class EmployeeManagementSystem:
"""
员工管理系统：使用面向对象方式管理
"""
def __init__(self, data_file="employees.json"):
self.data_file = data_file
self.employees: List[Employee] = []
self.departments: Dict[str, Department] = {}
self.load_data()
self.init_departments()
def init_departments(self):
"""初始化各部门"""
self.departments["财务部"] = FinanceDepartment("财务部", "张经理")
self.departments["销售部"] = SalesDepartment("销售部", "李经理")
self.departments["技术部"] = TechDepartment("技术部", "王经理")
def add_employee(self):
"""添加员工"""
print("\n" + "=" * 40)
print("添加新员工")
print("=" * 40)
name = input("姓名: ").strip()
emp_id = input("工号: ").strip()
dept = input("部门（财务部/销售部/技术部）: ").strip()
salary = float(input("基本工资: ").strip())
if dept == "销售部":
commission = float(input("提成比例（如0.08表示8%）: ").strip())
emp = SalesEmployee(name, emp_id, salary, commission)
elif dept == "技术部":
bonus = float(input("项目奖金: ").strip())
emp = TechEmployee(name, emp_id, salary, bonus)
else:
emp = Employee(name, emp_id, dept, salary)
self.employees.append(emp)
print(f"\n✅ 员工添加成功！")
print(emp)
def list_employees(self):
"""列出所有员工"""
print("\n" + "=" * 50)
print("员工列表")
print("=" * 50)
if not self.employees:
print("📭 暂无员工数据")
return
for i, emp in enumerate(self.employees, 1):
print(f"\n{i}. {emp}")
def calculate_all_salaries(self):
"""计算所有员工本月薪资"""
print("\n" + "=" * 50)
print("薪资计算")
print("=" * 50)
if not self.employees:
print("⚠️ 暂无员工数据")
return
total_salary = 0
for emp in self.employees:
salary = emp.get_monthly_salary()
total_salary += salary
print(f" {emp.name}: ¥{salary:,.2f}")
print(f"\n💰 本月工资总支出: ¥{total_salary:,.2f}")
def reimbursement_request(self):
"""报销申请"""
print("\n" + "=" * 40)
print("报销申请")
print("=" * 40)
if not self.employees:
print("⚠️ 暂无员工数据")
return
self.list_employees()
idx = int(input("选择员工编号（数字）: ").strip()) - 1
if idx < 0 or idx >= len(self.employees):
print("❌ 编号错误")
return
emp = self.employees[idx]
amount = float(input("报销金额: ").strip())
reason = input("报销事由: ").strip()
if emp.department in self.departments:
self.departments[emp.department].apply_reimbursement(emp, amount, reason)
else:
print("⚠️ 该部门暂无审批流程")
def save_data(self):
"""保存数据到JSON"""
data = {
'employees': [],
'update_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S')
}
for emp in self.employees:
emp_data = {
'name': emp.name,
'employee_id': emp.employee_id,
'department': emp.department,
'base_salary': emp.base_salary,
'type': type(emp).__name__
}
if isinstance(emp, SalesEmployee):
emp_data['commission_rate'] = emp.commission_rate
emp_data['monthly_sales'] = emp.monthly_sales
elif isinstance(emp, TechEmployee):
emp_data['project_bonus'] = emp.project_bonus
data['employees'].append(emp_data)
with open(self.data_file, 'w', encoding='utf-8') as f:
json.dump(data, f, ensure_ascii=False, indent=2)
print(f"✅ 数据已保存到 {self.data_file}")
def load_data(self):
"""从JSON加载数据"""
if not os.path.exists(self.data_file):
return
try:
with open(self.data_file, 'r', encoding='utf-8') as f:
data = json.load(f)
self.employees = []
for emp_data in data.get('employees', []):
emp_type = emp_data.get('type', 'Employee')
if emp_type == 'SalesEmployee':
emp = SalesEmployee(
emp_data['name'],
emp_data['employee_id'],
emp_data['base_salary'],
emp_data.get('commission_rate', 0.05)
)
emp.monthly_sales = emp_data.get('monthly_sales', 0)
elif emp_type == 'TechEmployee':
emp = TechEmployee(
emp_data['name'],
emp_data['employee_id'],
emp_data['base_salary'],
emp_data.get('project_bonus', 0)
)
else:
emp = Employee(
emp_data['name'],
emp_data['employee_id'],
emp_data['department'],
emp_data['base_salary']
)
self.employees.append(emp)
print(f"📂 已加载 {len(self.employees)} 名员工数据")
except Exception as e:
print(f"❌ 加载数据失败: {e}")
def main():
"""主菜单"""
ems = EmployeeManagementSystem()
while True:
print("\n" + "=" * 55)
print("员工管理系统")
print("=" * 55)
print("1. 添加员工")
print("2. 查看员工列表")
print("3. 计算全体薪资")
print("4. 报销申请")
print("5. 保存数据")
print("6. 退出")
print("=" * 55)
choice = input("请选择功能: ").strip()
if choice == "1":
ems.add_employee()
elif choice == "2":
ems.list_employees()
input("\n按回车键继续...")
elif choice == "3":
ems.calculate_all_salaries()
input("\n按回车键继续...")
elif choice == "4":
ems.reimbursement_request()
input("\n按回车键继续...")
elif choice == "5":
ems.save_data()
input("\n按回车键继续...")
elif choice == "6":
print("👋 感谢使用，数据已自动保存！")
ems.save_data()
break
else:
print("请输入1-6之间的数字！")
if __name__ == "__main__":
main()
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