我有一个任务，需要函数读取，写入和显示信息，从和.txt文件。
我已经完成了第一部分代码。
我正在努力弄清楚问题的这一部分:
1。在应用程序的主菜单中添加一个生成报告的选项。
admin用户的菜单现在应该是这样的:
Please select on of the following options:
r - register user
a - add task
va- view all tasks
vm - view my tasks
gr - generate reports
ds - display statistics
e - exit
我已经创建了上面的菜单
2。当用户选择生成报告时，两个文本文件，称为task_overview.txt和user_overview.txt，应生成。这两个文本文件都应该以用户友好、易于阅读的方式输出数据。
2.1task_overview.txt
使用任务管理器生成和跟踪的任务总数.
已完成任务的总数。
未完成任务的总数。
未完成和过期的任务总数。
未完成任务的百分比。
任务过期百分比。
2.2user_overview.txt
任务管理器注册的用户总数.
使用任务管理器生成和跟踪的任务总数.
对于每个用户还描述:
分配给该用户的任务总数。
分配给该用户的任务总数的百分比是多少?
分配给该用户的任务已完成的百分比是多少?
分配给该用户的任务必须完成的百分比是多少?
分配给该用户的任务尚未完成且过期的百分比是多少?
3。修改允许管理员显示统计数据的菜单选项，以便从task_overview.txt读取生成的报告和user_overview.txt并以用户友好的方式显示在屏幕上。
任何指导将是非常杏花
我的任务管理器
请参阅def reports():anddef statistics():代码
更新:根据"RolvApneseth">
的建议，缩短了原始帖子的代码量def reports(): # NOTE: these are the functions I need help with please.
return
def statistics(): # NOTE: these are the functions I need help with please.
return
def displayMenu_Admin():
global menu_input
menu_input = input("""
Please enter one of the following options:
r - register user
a - add task
va- view all tasks
vm - view my tasks
gr - generate reports
ds - display statistics
e - exit
""")
if menu_input == "r":
register()
elif menu_input == "a":
add_task()
elif menu_input == "va":
view_all()
elif menu_input == "vm":
view_more()
elif menu_input == "gr":
reports()
elif menu_input == "ds":
statistics()
elif menu_input == "e":
exit()
return menu_input
#A menu should be displayed once the user has successfully logged in.
def displayMenu():
global menu_input
menu_input = input("""
Please enter one of the following options:
a - add task
va- view all tasks
vm - view my tasks
e - exit
""")
if menu_input == "a":
add_task()
elif menu_input == "va":
view_all()
elif menu_input == "vm":
view_more()
elif menu_input == "e":
exit()
return menu_input
def login():
username = input("Please enter your username?:n")
password = input("Please enter your password?:n")
for line in open("user.txt","r").readlines():
field = line.strip().split(", ")
if username == field[0] and password == field[1]:
print("Hello " + username + ", welcome back!n")
return True, field[0]== "admin"
return False, False
login_success, is_admin = login()
if login_success and is_admin:
displayMenu_Admin()
elif login_success:
displayMenu()
else:
print("Username or Password Incorrectn")
我最终不得不改变我的原始代码的一些部分，但最终，在一点帮助下，我得到了我正在寻找的函数的答案…
希望这篇文章将来能帮助到其他人!
# Displaying only admin specific statistics to the screen.
def display_admin_stats():
# exists(), it says that there are specific cases in which a file or folder exists but,
# 'os.path.exists()' returns false: Return True if path refers to an existing path or an open file descriptor.
if not os.path.exists('task_overview.txt') and not os.path.exists('user_overview.txt'):
generate_task_overview() # Calls the function that generates 'task_overview.txt'.
generate_user_overview() # Calls the function that generates 'user_overview.txt'.
print("Displaying statistics for admin:n")
user_dictionary = user_dict()
task_dictionary = task_dict()
print(f"Total number of tasks: {len(task_dictionary)}")
print(f"Total number of users: {len(user_dictionary)}")
with open('task_overview.txt', 'r', encoding='utf-8') as task:
print('nTASK OVERVIEW STATS:n')
for line in task:
print(line.strip())
with open('user_overview.txt', 'r', encoding='utf-8') as task:
print('nUSER OVERVIEW STATS:n')
for line in task:
print(line.strip())
exit_menu()
# Generate the task overview text file.
def generate_task_overview():
task_dictionary = task_dict()
completed_tasks = 0
uncompleted_tasks = 0
overdue_tasks = 0
# Open the file, or creates it if it doesn't exist.
# Reads each task from the task_dict function.
# And applies the logic to write to the file.
with open('task_overview.txt', 'w', encoding='utf-8') as task_overview:
for count in task_dictionary:
task = task_dictionary[count]
if 'Yes' == task['task_complete']:
completed_tasks += 1
elif 'No' == task['task_complete']:
uncompleted_tasks += 1
# Comparing the dates to check if the task is overdue.
datetime_object = datetime.datetime.strptime(task['date_due'], '%d %b %Y') # 'strptime()' parses a string representing a time according to a format.
if datetime_object < datetime.datetime.today() and 'No' == task['task_complete']: # 'today()' method of date class under datetime module returns a date object which contains the value of Today's date.
overdue_tasks += 1
percentage_incomplete = (uncompleted_tasks * 100)/(len(task_dictionary))
percentage_overdue = (overdue_tasks * 100)/(len(task_dictionary))
# Print / write everything to the file.
task_overview.write(f"Total number of tasks generated using Task Manager: {len(task_dictionary)}n")
task_overview.write(f"Number of completed tasks: {completed_tasks}n")
task_overview.write(f"Number of uncompleted tasks: {uncompleted_tasks}n")
task_overview.write(f"Number of uncompleted tasks that are overdue: {overdue_tasks:.0f}n")
task_overview.write(f"Percentage of uncompleted tasks: {percentage_incomplete:.0f}%n")
task_overview.write(f"Percentage of uncompleted overdue tasks: {percentage_overdue:.0f}%n")
print("Task_overview.txt written.")