{"id":1176710,"date":"2025-01-15T17:48:24","date_gmt":"2025-01-15T09:48:24","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1176710.html"},"modified":"2025-01-15T17:48:27","modified_gmt":"2025-01-15T09:48:27","slug":"python%e5%a6%82%e4%bd%95%e7%bc%96%e5%86%99%e5%a4%9a%e5%8a%9f%e8%83%bd%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1176710.html","title":{"rendered":"python\u5982\u4f55\u7f16\u5199\u591a\u529f\u80fd\u7a0b\u5e8f"},"content":{"rendered":"

\"python\u5982\u4f55\u7f16\u5199\u591a\u529f\u80fd\u7a0b\u5e8f\"<\/p>\n

\u7f16\u5199\u591a\u529f\u80fdPython\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7\u6a21\u5757\u5316\u8bbe\u8ba1\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u3001\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u9519\u8bef\u5904\u7406\u548c\u826f\u597d\u7684\u6587\u6863\u5316\u6765\u5b9e\u73b0\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u5347\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u529f\u80fd\u6027\u548c\u6548\u7387\u3002<\/strong> \u5176\u4e2d\uff0c\u6a21\u5757\u5316\u8bbe\u8ba1\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u65b9\u9762\uff0c\u901a\u8fc7\u5c06\u7a0b\u5e8f\u5206\u89e3\u6210\u591a\u4e2a\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u6bcf\u4e2a\u6a21\u5757\u8d1f\u8d23\u7279\u5b9a\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n

\u6a21\u5757\u5316\u8bbe\u8ba1\u8be6\u89e3<\/h4>\n<\/p>\n

\u6a21\u5757\u5316\u8bbe\u8ba1\u662f\u6307\u5c06\u4e00\u4e2a\u590d\u6742\u7684\u7a0b\u5e8f\u5206\u89e3\u6210\u591a\u4e2a\u76f8\u5bf9\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u6bcf\u4e2a\u6a21\u5757\u8d1f\u8d23\u7279\u5b9a\u7684\u529f\u80fd\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u7684\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\uff0c\u4ee3\u7801\u66f4\u52a0\u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u4f18\u52bf\u5728\u4e8e\uff1a\u964d\u4f4e\u4e86\u4ee3\u7801\u7684\u8026\u5408\u5ea6\u3001\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u590d\u7528\u6027\u3001\u65b9\u4fbf\u8c03\u8bd5\u548c\u6d4b\u8bd5\u3001\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027<\/strong>\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u6a21\u5757\u5316\u8bbe\u8ba1<\/h3>\n<\/p>\n

1\u3001\u5b9a\u4e49\u6a21\u5757<\/h4>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u591a\u4e2a.py\u6587\u4ef6\u6765\u5b9a\u4e49\u4e0d\u540c\u7684\u6a21\u5757\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5e93\u64cd\u4f5c\u76f8\u5173\u7684\u4ee3\u7801\u653e\u5728\u4e00\u4e2a\u6a21\u5757\u4e2d\uff0c\u7528\u6237\u754c\u9762\u76f8\u5173\u7684\u4ee3\u7801\u653e\u5728\u53e6\u4e00\u4e2a\u6a21\u5757\u4e2d\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

# database.py<\/p>\n
def connect_to_database():<\/p>\n
    print("Connecting to the database...")<\/p>\n
def query_database(query):<\/p>\n
    print(f"Querying the database with: {query}")<\/p>\n
ui.py<\/strong><\/h2>\n
def display_menu():<\/p>\n
    print("Displaying menu...")<\/p>\n
def get_user_input():<\/p>\n
    return input("Enter your choice: ")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4e3b\u7a0b\u5e8f\u8c03\u7528\u6a21\u5757<\/h4>\n<\/p>\n
\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u901a\u8fc7import\u8bed\u53e5\u6765\u5bfc\u5165\u8fd9\u4e9b\u6a21\u5757\uff0c\u5e76\u8c03\u7528\u5176\u4e2d\u7684\u51fd\u6570\uff1a<\/p>\n<\/p>\n
# mAI<\/a>n.py<\/p>\n
import database<\/p>\n
import ui<\/p>\n
def main():<\/p>\n
    database.connect_to_database()<\/p>\n
    ui.display_menu()<\/p>\n
    choice = ui.get_user_input()<\/p>\n
    database.query_database(choice)<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/h3>\n<\/p>\n
\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u662f\u4e00\u79cd\u7a0b\u5e8f\u8bbe\u8ba1\u8303\u5f0f\uff0c\u5b83\u901a\u8fc7\u5b9a\u4e49\u7c7b\u548c\u5bf9\u8c61\u6765\u5b9e\u73b0\u7a0b\u5e8f\u7684\u6a21\u5757\u5316\u548c\u590d\u7528\u6027\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u7c7b\u548c\u521b\u5efa\u5bf9\u8c61\u6765\u5b9e\u73b0OOP\u3002<\/p>\n<\/p>\n
1\u3001\u5b9a\u4e49\u7c7b\u548c\u5bf9\u8c61<\/h4>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2aPerson<\/code>\u7c7b\u548c\u4e00\u4e2aEmployee<\/code>\u7c7b\uff1a<\/p>\n<\/p>\n
class Person:<\/p>\n
    def __init__(self, name, age):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
    def display_info(self):<\/p>\n
        print(f"Name: {self.name}, Age: {self.age}")<\/p>\n
class Employee(Person):<\/p>\n
    def __init__(self, name, age, employee_id):<\/p>\n
        super().__init__(name, age)<\/p>\n
        self.employee_id = employee_id<\/p>\n
    def display_info(self):<\/p>\n
        super().display_info()<\/p>\n
        print(f"Employee ID: {self.employee_id}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u521b\u5efa\u548c\u4f7f\u7528\u5bf9\u8c61<\/h4>\n<\/p>\n
\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u8fd9\u4e9b\u7c7b\u7684\u5bf9\u8c61\uff0c\u5e76\u8c03\u7528\u5b83\u4eec\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
def main():<\/p>\n
    person = Person("Alice", 30)<\/p>\n
    person.display_info()<\/p>\n
    employee = Employee("Bob", 40, "E123")<\/p>\n
    employee.display_info()<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u591a\u7ebf\u7a0b\u5904\u7406<\/h3>\n<\/p>\n
\u591a\u7ebf\u7a0b\u5904\u7406\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5e76\u53d1\u6027\u548c\u54cd\u5e94\u901f\u5ea6\u3002Python\u63d0\u4f9b\u4e86threading<\/code>\u6a21\u5757\u6765\u652f\u6301\u591a\u7ebf\u7a0b\u7f16\u7a0b\u3002<\/p>\n<\/p>\n
1\u3001\u5b9a\u4e49\u7ebf\u7a0b<\/h4>\n<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627fthreading.Thread<\/code>\u7c7b\u6765\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u7c7b\uff1a<\/p>\n<\/p>\n
import threading<\/p>\n
class MyThread(threading.Thread):<\/p>\n
    def __init__(self, name):<\/p>\n
        super().__init__()<\/p>\n
        self.name = name<\/p>\n
    def run(self):<\/p>\n
        print(f"Thread {self.name} is running")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u542f\u52a8\u7ebf\u7a0b<\/h4>\n<\/p>\n
\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u5e76\u542f\u52a8\u591a\u4e2a\u7ebf\u7a0b\uff1a<\/p>\n<\/p>\n
def main():<\/p>\n
    thread1 = MyThread("A")<\/p>\n
    thread2 = MyThread("B")<\/p>\n
    thread1.start()<\/p>\n
    thread2.start()<\/p>\n
    thread1.join()<\/p>\n
    thread2.join()<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u9519\u8bef\u5904\u7406<\/h3>\n<\/p>\n
\u9519\u8bef\u5904\u7406\u662f\u7f16\u5199\u5065\u58ee\u7a0b\u5e8f\u7684\u91cd\u8981\u90e8\u5206\u3002Python\u63d0\u4f9b\u4e86try-except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\u3002<\/p>\n<\/p>\n
1\u3001\u6355\u83b7\u5f02\u5e38<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528try-except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\uff1a<\/p>\n<\/p>\n
def divide(a, b):<\/p>\n
    try:<\/p>\n
        result = a \/ b<\/p>\n
    except ZeroDivisionError:<\/p>\n
        print("Error: Division by zero is not allowed.")<\/p>\n
    else:<\/p>\n
        print(f"Result: {result}")<\/p>\n
def main():<\/p>\n
    divide(10, 2)<\/p>\n
    divide(10, 0)<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u629b\u51fa\u5f02\u5e38<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528raise<\/code>\u8bed\u53e5\u6765\u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\uff1a<\/p>\n<\/p>\n
class CustomError(Exception):<\/p>\n
    pass<\/p>\n
def risky_operation():<\/p>\n
    raise CustomError("Something went wrong!")<\/p>\n
def main():<\/p>\n
    try:<\/p>\n
        risky_operation()<\/p>\n
    except CustomError as e:<\/p>\n
        print(f"Error: {e}")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u826f\u597d\u7684\u6587\u6863\u5316<\/h3>\n<\/p>\n
\u826f\u597d\u7684\u6587\u6863\u5316\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002Python\u63d0\u4f9b\u4e86\u6587\u6863\u5b57\u7b26\u4e32\uff08docstring\uff09\u6765\u7f16\u5199\u4ee3\u7801\u7684\u6587\u6863\u3002<\/p>\n<\/p>\n
1\u3001\u6587\u6863\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4e09\u5f15\u53f7\uff08"""<\/code>\uff09\u6765\u7f16\u5199\u6587\u6863\u5b57\u7b26\u4e32\uff1a<\/p>\n<\/p>\n
def add(a, b):<\/p>\n
    """<\/p>\n
    Adds two numbers.<\/p>\n
    Parameters:<\/p>\n
    a (int): The first number.<\/p>\n
    b (int): The second number.<\/p>\n
    Returns:<\/p>\n
    int: The sum of the two numbers.<\/p>\n
    """<\/p>\n
    return a + b<\/p>\n
def main():<\/p>\n
    print(add(2, 3))<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u751f\u6210\u6587\u6863<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\uff08\u5982Sphinx\uff09\u6765\u81ea\u52a8\u751f\u6210\u4ee3\u7801\u7684\u6587\u6863\uff1a<\/p>\n<\/p>\n
pip install sphinx<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u521b\u5efaSphinx\u9879\u76ee\u5e76\u751f\u6210\u6587\u6863\uff1a<\/p>\n<\/p>\n
sphinx-quickstart<\/p>\n
sphinx-apidoc -o docs\/ .<\/p>\n
make html<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u793a\u4f8b\u9879\u76ee\uff1a\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf<\/h3>\n<\/p>\n
\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u4e0a\u8ff0\u5185\u5bb9\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf\u793a\u4f8b\u6765\u5c55\u793a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u591a\u529f\u80fd\u7684Python\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
1\u3001\u6a21\u5757\u5b9a\u4e49<\/h4>\n<\/p>\n
\u5b9a\u4e49\u6570\u636e\u5e93\u64cd\u4f5c\u6a21\u5757\u3001\u7528\u6237\u754c\u9762\u6a21\u5757\u548c\u4e1a\u52a1\u903b\u8f91\u6a21\u5757\uff1a<\/p>\n<\/p>\n
# database.py<\/p>\n
books = []<\/p>\n
def add_book(book):<\/p>\n
    books.append(book)<\/p>\n
def get_books():<\/p>\n
    return books<\/p>\n
ui.py<\/strong><\/h2>\n
def display_menu():<\/p>\n
    print("1. Add Book")<\/p>\n
    print("2. View Books")<\/p>\n
    print("3. Exit")<\/p>\n
def get_user_input(prompt):<\/p>\n
    return input(prompt)<\/p>\n
logic.py<\/strong><\/h2>\n
import database<\/p>\n
import ui<\/p>\n
def add_book():<\/p>\n
    title = ui.get_user_input("Enter book title: ")<\/p>\n
    author = ui.get_user_input("Enter book author: ")<\/p>\n
    database.add_book({"title": title, "author": author})<\/p>\n
def view_books():<\/p>\n
    books = database.get_books()<\/p>\n
    if not books:<\/p>\n
        print("No books found.")<\/p>\n
    else:<\/p>\n
        for book in books:<\/p>\n
            print(f"Title: {book['title']}, Author: {book['author']}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4e3b\u7a0b\u5e8f<\/h4>\n<\/p>\n
\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u5bfc\u5165\u8fd9\u4e9b\u6a21\u5757\u5e76\u5b9e\u73b0\u4e3b\u903b\u8f91\uff1a<\/p>\n<\/p>\n
# main.py<\/p>\n
import ui<\/p>\n
import logic<\/p>\n
def main():<\/p>\n
    while True:<\/p>\n
        ui.display_menu()<\/p>\n
        choice = ui.get_user_input("Enter your choice: ")<\/p>\n
        if choice == "1":<\/p>\n
            logic.add_book()<\/p>\n
        elif choice == "2":<\/p>\n
            logic.view_books()<\/p>\n
        elif choice == "3":<\/p>\n
            break<\/p>\n
        else:<\/p>\n
            print("Invalid choice. Please try again.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u6269\u5c55\u529f\u80fd<\/h4>\n<\/p>\n
\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6dfb\u52a0\u591a\u7ebf\u7a0b\u5904\u7406\u3001\u9519\u8bef\u5904\u7406\u548c\u6587\u6863\u5316\u3002<\/p>\n<\/p>\n
\u591a\u7ebf\u7a0b\u5904\u7406<\/h5>\n<\/p>\n
\u4f7f\u7528\u591a\u7ebf\u7a0b\u5904\u7406\u6765\u63d0\u9ad8\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\uff1a<\/p>\n<\/p>\n
import threading<\/p>\n
class AddBookThread(threading.Thread):<\/p>\n
    def run(self):<\/p>\n
        logic.add_book()<\/p>\n
def main():<\/p>\n
    while True:<\/p>\n
        ui.display_menu()<\/p>\n
        choice = ui.get_user_input("Enter your choice: ")<\/p>\n
        if choice == "1":<\/p>\n
            thread = AddBookThread()<\/p>\n
            thread.start()<\/p>\n
            thread.join()<\/p>\n
        elif choice == "2":<\/p>\n
            logic.view_books()<\/p>\n
        elif choice == "3":<\/p>\n
            break<\/p>\n
        else:<\/p>\n
            print("Invalid choice. Please try again.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9519\u8bef\u5904\u7406<\/h5>\n<\/p>\n
\u6dfb\u52a0\u9519\u8bef\u5904\u7406\u6765\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff1a<\/p>\n<\/p>\n
def add_book():<\/p>\n
    try:<\/p>\n
        title = ui.get_user_input("Enter book title: ")<\/p>\n
        if not title:<\/p>\n
            raise ValueError("Title cannot be empty.")<\/p>\n
        author = ui.get_user_input("Enter book author: ")<\/p>\n
        if not author:<\/p>\n
            raise ValueError("Author cannot be empty.")<\/p>\n
        database.add_book({"title": title, "author": author})<\/p>\n
    except ValueError as e:<\/p>\n
        print(f"Error: {e}")<\/p>\n
def view_books():<\/p>\n
    try:<\/p>\n
        books = database.get_books()<\/p>\n
        if not books:<\/p>\n
            raise LookupError("No books found.")<\/p>\n
        for book in books:<\/p>\n
            print(f"Title: {book['title']}, Author: {book['author']}")<\/p>\n
    except LookupError as e:<\/p>\n
        print(f"Error: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6587\u6863\u5316<\/h5>\n<\/p>\n
\u4e3a\u4ee3\u7801\u6dfb\u52a0\u6587\u6863\u5b57\u7b26\u4e32\uff1a<\/p>\n<\/p>\n
# logic.py<\/p>\n
import database<\/p>\n
import ui<\/p>\n
def add_book():<\/p>\n
    """<\/p>\n
    Adds a new book to the database.<\/p>\n
    Prompts the user to enter the book title and author.<\/p>\n
    """<\/p>\n
    try:<\/p>\n
        title = ui.get_user_input("Enter book title: ")<\/p>\n
        if not title:<\/p>\n
            raise ValueError("Title cannot be empty.")<\/p>\n
        author = ui.get_user_input("Enter book author: ")<\/p>\n
        if not author:<\/p>\n
            raise ValueError("Author cannot be empty.")<\/p>\n
        database.add_book({"title": title, "author": author})<\/p>\n
    except ValueError as e:<\/p>\n
        print(f"Error: {e}")<\/p>\n
def view_books():<\/p>\n
    """<\/p>\n
    Displays all books in the database.<\/p>\n
    If no books are found, an error message is displayed.<\/p>\n
    """<\/p>\n
    try:<\/p>\n
        books = database.get_books()<\/p>\n
        if not books:<\/p>\n
            raise LookupError("No books found.")<\/p>\n
        for book in books:<\/p>\n
            print(f"Title: {book['title']}, Author: {book['author']}")<\/p>\n
    except LookupError as e:<\/p>\n
        print(f"Error: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
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