工资系统

# -*- coding:utf-8 -*-
__author__ = ‘CN092357‘


def query():
    f = open("info", "r+", encoding="utf-8")
    name = input("请输入要查询的员工姓名（例如：Alex）：")
    for line in f:
        if name in line:
            print("%s的工资是：%s。" % (line.split()[0], line.split()[1]))

    f.close()


def change():
    f = open("info", "r", encoding="utf-8")
    f_new = open("info.bak", "w", encoding="utf-8")
    new_salary = input("请输入要修改的员工姓名和工资，用空格分隔（例如：Alex 10）：")
    for line in f:
        if new_salary.split()[0] in line:
            line = "%s\n" % new_salary
            print("修改成功！")
        f_new.write(line)
    f.close()
    f_new.close()
    f = open("info", "w", encoding="utf-8")
    f_new = open("info.bak", "r", encoding="utf-8")
    for line in f_new:
        f.write(line)
    f.close()
    f_new.close()


def add():
    f = open("info", "a", encoding="utf-8")
    new_record = input("请输入要增加的员工姓名和工资，共空格分割（例如：Eric 100000）：")
    f.write("\n\n%s" % new_record)
    print("增加成功！")
    f.close()



list = [‘查询员工工资‘,‘修改员工工资‘,‘增加新员工记录‘,‘退出‘]

exit_flag = False
while not exit_flag:
    for i in list:
        print("%s. %s" % (list.index(i) + 1, i))
    choose = input()
    if choose == "1":
        query()
    if choose == "2":
        change()
    if choose == "3":
        add()
    if choose == "4":
        print("再见！")
        exit_flag = True



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for a in f.readlines():
    print(a.strip())
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