python学习之工资结算

import os,re,sys

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operation_lists = '''
1.查询工资
2.修改工资
3.增加新员工记录
4.删除员工信息
5.退出
'''
user_dict = {}
user_name = []

def user_information():
with open('info.txt','r',encoding='UTF-8') as f :
f = f.readlines()
for i in f:
i = i.strip()
i = i.split()
global user_name
user_name.append(i[0])
user_dict[i[0]] = i[1]
print(user_name)

def operation():
while True:
print(operation_lists)
user_operation = input('请输入你的操作编号：')
if user_operation.isdigit():
user_operation = int(user_operation)
if user_operation > 5:
print('你在搞什么,不要乱搞')
if user_operation == 1:
user_enquires()
if user_operation == 2:
salary_change()
if user_operation == 3:
add_users()
if user_operation == 4:
del_users()
if user_operation == 5:
sys.exit('退出程序')
else:
print('不要搞事情')

def user_enquires():
user_information()
name_key = input('输入你想查询人员的名字：')
global user_dict
print('%s的工资为%s'%(name_key,user_dict.get(name_key)))

def salary_change():
user_information()
name_key = input('输入你想改变人员工资的名字：')
print('%s的工资为%s' % (name_key, user_dict.get(name_key)))
salary_change = input('请输入该员工新的金额：')
if salary_change.isdigit():
salary_change = int(salary_change)

    with open('info.txt','r',encoding='UTF-8') as fa :
       lines = fa.readlines()
    with open('info.txt','w',encoding='UTF-8') as f_w:
        for line in lines:
            if name_key in line:
                name_salay = str(user_dict.get(name_key))
                print(name_salay)
                salary_change = str(salary_change)
                line = line.replace(name_salay,salary_change)
            f_w.write(line)
        user_dict[name_key] = salary_change
        print(user_dict)
else:
    print('能不能不搞事？？？？')

def add_users():
user_information()
user_name = input('请输入你要添加人员的姓名:')
user_salary = input('请你给他开工资:')
if user_salary.isdigit():
user_salary = int(user_salary)
else:
print('能不能不搞事！！')
user_dict[user_name] = user_salary

def del_users():
user_information()
user_name = input('请输入你要删除员工的姓名：')
user_dict.pop(user_name)

operation()
#user_information()
#user_enquires()
#salary_change()
#add_users()

#user_information()