作業內容：

　　用戶管理程序：

　　　　普通用戶：登錄、註冊、修改密碼、查看本用戶信息

　　　　管理員用戶：登錄、註冊、修改密碼、查看本用戶信息，

　　　　　　　　　　刪除、添加普通用戶

　　　　　　　　　　修改普通用戶密碼

　　　　　　　　　　查看所有普通用戶，按照指定關鍵字搜索用戶信息，

　　　　　　　　　　提高普通用戶權限

　　　要求：

　　　　1.用戶信息存文件

　　　　2.權限用裝飾器

　　1.0版完成時間：2108/12/8

FLOG = {‘is_login‘:False,                           # 是否註冊標誌
        ‘is_register‘
 
:False,                        # 是否登錄標誌
        ‘user_info‘:[],                           # 登錄用戶的性息
        ‘line_count‘:0,                           # 所要修改的內容在文件user_data中的行數
        }

temp_file = []

def login(u,p):                                           # 登錄
    with open(‘user_data‘,‘r+‘,encoding=‘
 
utf-8‘) as f:
        count = 0
        for i in f:
            count += 1
            username = i.split(‘|‘)[0]
            password = i.split(‘|‘)[1]
            email = i.split(‘|‘)[2]
            phone = i.split(‘|‘)[3]
            conservator = i.split(‘|‘)[4]
            if u == username and p == password:
                FLOG[
 
‘is_login‘] = True
                FLOG[‘user_info‘] = [username, password, email, phone, conservator]
                FLOG[‘line_count‘] = count
    if not FLOG.get(‘is_login‘):
        print(‘賬號或密碼錯誤，請重新登錄‘.center(50,‘-‘))
    else:
        print(‘恭喜【{}】登錄成功！‘.format(u))

def register(u,p):                                          # 註冊
    with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
        for i in f:
            username = i.split(‘|‘)[0]
            if u == username:                               # 判斷是否有用戶名重復註冊
                print(‘該賬號已被註冊‘.center(50,‘-‘))
                FLOG[‘is_register‘] = True
    with open(‘user_data‘, ‘a+‘, encoding=‘utf-8‘) as f:
        if not FLOG.get(‘is_register‘):
            in_email = input(‘請輸入您的郵箱:>>>‘).strip()
            in_phone = input(‘請輸入您的電話號碼:>>>‘).strip()
            in_conservator = input(‘是否為管理員(1.不是，2.是):>>>‘).strip()
            str_join = ‘{}|{}|{}|{}|{}|\n‘.format(u,p,in_email,in_phone,in_conservator)
            f.write(str_join)
            print(‘註冊成功‘.center(50,‘-‘))
            FLOG[‘is_register‘] = False

def outer(fun):                                     # 是否登錄裝飾器
    def inner(*args,**kwargs):
        if FLOG.get(‘is_login‘):
            r = fun(*args,**kwargs)
        else:
            print(‘請先登錄‘.center(50,‘-‘))
            while not FLOG[‘is_login‘]:
                in_username = input(‘請輸入你的用戶名:>>>‘).strip()
                in_password = input(‘請輸入您的密碼:>>>‘).strip()
                login(in_username,in_password)
            r = fun(*args,**kwargs)
        return r
    return inner

@outer
def modify_pwd():                                           # 修改密碼
    in_password = input(‘請輸入您的新密碼:>>>‘).strip()
    FLOG[‘user_info‘][1] = in_password
    str_join = ‘|‘.join(FLOG[‘user_info‘])+‘|\n‘
    temp_file = []
    temp_flog = False
    with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
        count = 0
        for i in f:
            count += 1
            if FLOG.get(‘line_count‘) == count:
                temp_flog = True
                continue
            if temp_flog:
                temp_file.append(i)
    with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
        for i in range(FLOG.get(‘line_count‘)-1):
            f.readline()
        f.seek(f.tell())
        f.truncate()
        f.write(str_join)                          # 在這一行中添加修改了密碼的用戶性息
        for i in temp_file:
            f.write(i)
    print(‘修改成功！‘.center(50,‘-‘))

@outer
def print_userinfo():                               # 查看本用戶性息
    print(‘登錄用戶性息‘.center(100,‘-‘))
    print(‘用戶名     密碼        郵箱                      電話        用戶權限‘)
    print(‘{: <12}{: <12}{: <24}{: <18}{: <2}‘.format(FLOG[‘user_info‘][0],FLOG[‘user_info‘][1],FLOG[‘user_info‘][2],FLOG[‘user_info‘][3],FLOG[‘user_info‘][4]))


def privilege_user(fun):                             # 是否為管理員裝飾器
    def inner(*args,**kwargs):
        if FLOG[‘user_info‘][4] == ‘2‘:
            r = fun(*args,**kwargs)
        else:
            print(‘您的權限不夠，請以管理員權限登錄‘.center(50,‘-‘))
            FLOG[‘is_login‘] = False                    # 退出登錄狀態
            print(‘【{}】退出登錄!‘.format(FLOG[‘user_info‘][0]))
            FLOG[‘user_info‘] = []
            while not FLOG[‘user_info‘][4] == ‘2‘:
                in_username = input(‘請輸入你的用戶名:>>>‘).strip()
                in_password = input(‘請輸入您的密碼:>>>‘).strip()
                login(in_username,in_password)
            r = fun(*args,**kwargs)
        return r
    return inner

@outer
@privilege_user
def del_comuser():                                  # 刪除普通用戶
    in_user = input(‘請輸入您要刪除的用戶名:>>>‘)
    temp_is_comuser = False
    with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:             # 判斷有沒有這個用戶，判斷是否為普通用戶
        for i in f:
            username = i.split(‘|‘)[0]
            privilege = i.split(‘|‘)[4]
            if in_user == username and privilege == ‘1‘:
                temp_is_comuser = True
    temp_file = []
    temp_flog = False
    if temp_is_comuser:                                   # temp_flog = True 刪除輸入的普通用戶
        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            count = 0
            for i in f:
                count += 1
                username = i.split(‘|‘)[0]
                if in_user == username:
                    FLOG[‘line_count‘] = count
                    temp_flog = True
                    continue
                if temp_flog:
                    temp_file.append(i)

        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            for i in range(FLOG.get(‘line_count‘)-1):
                f.readline()
            f.seek(f.tell())
            f.truncate()                                # 清除光標之後的內容
            for i in temp_file:
                f.write(i)
            print(‘刪除用戶成功‘.center(50,‘-‘))
    else:
        print(‘用戶不存在/用戶權限為管理員，無法刪除‘.center(50,‘-‘))

@outer
@privilege_user
def add_user():                # 添加用戶
    in_username = input(‘請輸入您要添加用戶的用戶名:>>>‘).strip()
    in_password = input(‘請輸入您要添加用戶的密碼:>>>‘).strip()
    in_email = input(‘請輸入您要添加用戶的郵箱:>>>‘).strip()
    in_phone = input(‘請輸入您要添加用戶的電話號碼:>>>‘).strip()
    in_conservator = input(‘添加的用戶是否為管理員(1.不是，2.是):>>>‘).strip()
    str_join = ‘{}|{}|{}|{}|{}|\n‘.format(in_username, in_password, in_email, in_phone, in_conservator)
    tamp_flog = False
    with open(‘user_data‘, ‘r+‘, encoding=‘utf-8‘) as f:
        for i in f:
            username = i.split(‘|‘)[0]
            password = i.split(‘|‘)[1]
            if username == in_username and password == in_password:
                print(‘用戶以存在‘.center(50,‘-‘))
                tamp_flog = True
    if not tamp_flog:
        with open(‘user_data‘, ‘a+‘, encoding=‘utf-8‘) as f:
            f.write(str_join)
        print(‘用戶添加成功‘.center(50,‘-‘))

@outer
@privilege_user
def alter_comuser_pwd():                        # 修改普通用戶密碼
    in_user = input(‘請輸入您要修改用戶的用戶名:>>>‘)
    temp_is_comuser = False
    with open(‘user_data‘, ‘r+‘, encoding=‘utf-8‘) as f:  # 判斷有沒有這個用戶，判斷是否為普通用戶
        count = 0
        for i in f:
            count += 1
            username = i.split(‘|‘)[0]
            privilege = i.split(‘|‘)[4]
            if in_user == username and privilege == ‘1‘:
                temp_is_comuser = True
                FLOG[‘line_count‘] = count
                FLOG[‘user_info‘] = [i.split(‘|‘)[0],i.split(‘|‘)[1],i.split(‘|‘)[2],i.split(‘|‘)[3],i.split(‘|‘)[4]]
    temp_file = []
    temp_flog = False
    if temp_is_comuser:
        in_password = input(‘請輸入您的新密碼:>>>‘).strip()
        FLOG[‘user_info‘][1] = in_password
        str_join = ‘|‘.join(FLOG[‘user_info‘])+‘|\n‘
        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            count = 0
            for i in f:
                count += 1
                if FLOG.get(‘line_count‘) == count:
                    temp_flog = True
                    continue
                if temp_flog:
                    temp_file.append(i)
        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            for i in range(FLOG.get(‘line_count‘)-1):
                f.readline()
            f.seek(f.tell())
            f.truncate()
            f.write(str_join)                          # 在這一行中添加修改了密碼的用戶性息
            for i in temp_file:
                f.write(i)
        print(‘修改成功‘.center(50,‘-‘))
    else:
        print(‘用戶不存在/用戶權限為管理員，修改失敗‘.center(50,‘-‘))

@outer
@privilege_user
def print_all_comuser_info():                   # 查看所用普通用戶
    Tamp_FLOG_user_info = FLOG[‘user_info‘]
    print(‘所有普通用戶性息‘.center(100,‘-‘))
    print(‘用戶名     密碼        郵箱                      電話        用戶權限‘)
    with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
        for i in f:
            privilege = i.split(‘|‘)[4]
            if privilege == ‘1‘:
                FLOG[‘user_info‘] = [i.split(‘|‘)[0], i.split(‘|‘)[1], i.split(‘|‘)[2], i.split(‘|‘)[3],
                                     i.split(‘|‘)[4]]
                print(‘{: <12}{: <12}{: <24}{: <18}{: <2}‘.format(FLOG[‘user_info‘][0],
                                                                  FLOG[‘user_info‘][1],
                                                                  FLOG[‘user_info‘][2],
                                                                  FLOG[‘user_info‘][3],
                                                                  FLOG[‘user_info‘][4]))
    FLOG[‘user_info‘] = Tamp_FLOG_user_info

@outer
@privilege_user
def raise_authority():                          # 提高普通用戶權利
    in_user = input(‘請輸入普通用戶的用戶名:>>>‘)
    is_comuser = False
    temp_file = []
    temp_flog = False
    with open(‘user_data‘,‘r‘,encoding=‘utf-8‘) as f:
        count = 0
        for i in f:
            count += 1
            username = i.split(‘|‘)[0]
            privilege = i.split(‘|‘)[4]
            if in_user == username and privilege == ‘1‘:                       # 確認有這個用戶這個用戶為普通用戶
                is_comuser = True
                FLOG[‘user_info‘] = [i.split(‘|‘)[0], i.split(‘|‘)[1], i.split(‘|‘)[2], i.split(‘|‘)[3],
                                     i.split(‘|‘)[4]]
                FLOG[‘line_count‘] = count

    if is_comuser:
        FLOG[‘user_info‘][4] = ‘2‘
        str_join = ‘|‘.join(FLOG[‘user_info‘])+‘|\n‘
        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            count = 0
            for i in f:
                count += 1
                if FLOG.get(‘line_count‘) == count:
                    temp_flog = True
                    continue
                if temp_flog:
                    temp_file.append(i)
        with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
            for i in range(FLOG.get(‘line_count‘)-1):
                f.readline()
            f.seek(f.tell())
            f.truncate()
            f.write(str_join)                          # 在這一行中添加修改了密碼的用戶性息
            for i in temp_file:
                f.write(i)
        print(‘修改成功‘.center(50,‘-‘))
    else:
        print(‘沒有這個用戶‘.center(50,‘-‘))





if __name__ == ‘__main__‘:
    while True:
        print(‘用戶管理程序‘.center(100,‘-‘))
        print(‘1.登錄\n2.註冊\n3.修改密碼\n‘
              ‘4.查看本用戶性息\n‘
              ‘5.刪除普通用戶\n‘
              ‘6.添加用戶\n‘
              ‘7.修改普通用戶密碼\n‘
              ‘8.查看所有普通用戶\n‘
              ‘9.提高普通用戶權限‘)
        index = input(‘請輸入您的選擇（註意：5-9只使用於管理員）:>>>‘)
        if int(index) in range(1,10):
            if index == ‘1‘:                                        # 登錄
                username = input(‘請輸入你的用戶名:>>>‘).strip()
                password = input(‘請輸入您的密碼:>>>‘).strip()
                login(username,password)
            if index == ‘2‘:                                        # 註冊
                username = input(‘請輸入你的用戶名:>>>‘).strip()
                password = input(‘請輸入您的密碼:>>>‘).strip()
                register(username,password)
            if index == ‘3‘:                                        # 修改密碼
                modify_pwd()
            if index == ‘4‘:                                        # 查看本用戶性息
                print_userinfo()
            if index == ‘5‘:                                        # 刪除普通用戶
                del_comuser()
            if index == ‘6‘:                                        # 添加用戶
                add_user()
            if index == ‘7‘:                                        # 修改普通用戶密碼
                alter_comuser_pwd()
            if index == ‘8‘:                                        # 查看所用普通用戶
                print_all_comuser_info()
            if index == ‘9‘:                                        # 提高普通用戶權限
                raise_authority()
        else:
            print(‘您的輸入有誤,請重新輸入‘.center(50,‘-‘))

user_data文件：

ggz|123|[email protected]|18670221892|2|
ggz1|123|[email protected]|18670221892|1|
g|123|[email protected]|18670221892|2|
huawei|123|[email protected]|18670221892|1|
zhongxin|123456|[email protected]|18670221892|1|
z|123|[email protected]|18670221892|1|
lianxiang|123|123@123|123|1|

調試文件：

with open(‘user_data‘,‘r+‘,encoding=‘utf-8‘) as f:
    f.write(‘guo|123|[email protected]|18670221892|1|\n‘)
    f.write(‘ggz|123|[email protected]|18670221892|2|\n‘)
    f.write(‘xiaomi|123|[email protected]|18670221892|1|\n‘)
    f.write(‘meizu|123|[email protected]|18670221892|1|\n‘)
    f.write(‘huawei|123|[email protected]|18670221892|1|\n‘)
    f.write(‘zhongxin|123|[email protected]|18670221892|1|\n‘)

python自動化-作業4.用戶管理程序——A+