\u76ee\u5f55<\/p>\n
\u4e00\u3001\u51fd\u6570：\u5c06\u91cd\u590d\u903b\u8f91\u5c01\u88c5\u8d77\u6765<\/p>\n
1.1 \u9ed8\u8ba4\u53c2\u6570<\/p>\n
1.2 \u5173\u952e\u5b57\u53c2\u6570<\/p>\n
1.3 \u53ef\u53d8\u53c2\u6570 *args \u4e0e **kwargs<\/p>\n
1.4 \u5c0f\u6848\u4f8b：\u8ba2\u5355\u91d1\u989d\u8ba1\u7b97<\/p>\n
\u4e8c\u3001\u7c7b\u4e0e\u5bf9\u8c61：\u8ba9\u6570\u636e\u548c\u884c\u4e3a\u653e\u5728\u4e00\u8d77<\/p>\n
2.1 __init__ \u662f\u4ec0\u4e48<\/p>\n
2.2 \u7c7b\u548c\u5bf9\u8c61\u7684\u5173\u7cfb<\/p>\n
2.3 \u5c0f\u6848\u4f8b：\u7b80\u5355\u4efb\u52a1\u7c7b<\/p>\n
\u4e09\u3001\u88c5\u9970\u5668：\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u4e5f\u80fd\u589e\u5f3a\u529f\u80fd<\/p>\n
3.1 \u6700\u7b80\u5355\u7684\u88c5\u9970\u5668<\/p>\n
3.2 \u652f\u6301\u4efb\u610f\u53c2\u6570\u7684\u88c5\u9970\u5668<\/p>\n
3.3 FastAPI \u4e2d\u7684\u88c5\u9970\u5668<\/p>\n
\u56db\u3001\u8fed\u4ee3\u5668\u4e0e\u751f\u6210\u5668<\/p>\n
4.1 \u4ec0\u4e48\u662f\u8fed\u4ee3<\/p>\n
4.2 \u4ec0\u4e48\u662f\u8fed\u4ee3\u5668<\/p>\n
4.3 \u81ea\u5b9a\u4e49\u8fed\u4ee3\u5668<\/p>\n
4.4 \u4ec0\u4e48\u662f\u751f\u6210\u5668<\/p>\n
4.5 \u5c0f\u6848\u4f8b：\u5206\u6279\u8bfb\u53d6\u6570\u636e<\/p>\n
\u4e94\u3001asyncio：Python \u7684\u5f02\u6b65\u7f16\u7a0b\u57fa\u7840<\/p>\n
5.1 \u540c\u6b65\u6267\u884c\u7684\u95ee\u9898<\/p>\n
5.2 \u5f02\u6b65\u6267\u884c<\/p>\n
5.3 async \u4e0e await<\/p>\n
5.4 \u4e00\u4e2a\u91cd\u8981\u8bef\u533a<\/p>\n
\u516d\u3001FastAPI：\u4ece\u96f6\u5199\u4e00\u4e2a\u4efb\u52a1\u7ba1\u7406\u540e\u7aef<\/p>\n
6.1 \u5b89\u88c5 FastAPI<\/p>\n
6.2 \u7b2c\u4e00\u4e2a FastAPI \u63a5\u53e3<\/p>\n
6.3 \u8def\u5f84\u53c2\u6570<\/p>\n
6.4 \u67e5\u8be2\u53c2\u6570<\/p>\n
\u4e03\u3001FastAPI \u5c0f\u9879\u76ee：\u4efb\u52a1\u7ba1\u7406 API<\/p>\n
7.1 Pydantic \u6a21\u578b\u7684\u4f5c\u7528<\/p>\n
7.2 \u6d4b\u8bd5\u65b0\u589e\u4efb\u52a1\u63a5\u53e3<\/p>\n
7.3 \u6d4b\u8bd5\u4fee\u6539\u4efb\u52a1\u72b6\u6001<\/p>\n
7.4 HTTPException \u7684\u4f5c\u7528<\/p>\n
\u516b\u3001FastAPI \u4e0e asyncio \u7684\u5173\u7cfb<\/p>\n
\u603b\u7ed3<\/p>\n
\u5728\u524d\u4e24\u7bc7\u4e2d，\u6211\u4eec\u5b66\u4e60\u4e86 Python \u5e38\u7528\u5bb9\u5668，\u4f8b\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u96c6\u5408\u548c\u5b57\u5178\u3002 \u5bb9\u5668\u89e3\u51b3\u7684\u662f\u201c\u5982\u4f55\u4fdd\u5b58\u4e00\u6279\u6570\u636e\u201d\u7684\u95ee\u9898；\u800c\u63a5\u4e0b\u6765，\u6211\u4eec\u9700\u8981\u5b66\u4e60\u201c\u5982\u4f55\u7ec4\u7ec7\u548c\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u201d\u3002<\/span> \u672c\u7bc7\u5c06\u7ee7\u7eed\u5b66\u4e60 Python \u51fd\u6570\u3001\u7c7b\u3001\u88c5\u9970\u5668\u3001\u8fed\u4ee3\u5668\u3001\u751f\u6210\u5668\u3001asyncio，\u5e76\u91cd\u70b9\u5165\u95e8 FastAPI \u540e\u7aef\u5f00\u53d1\u3002<\/p>\n \u51fd\u6570\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u6bb5\u53ef\u91cd\u590d\u4f7f\u7528\u7684\u4ee3\u7801\u3002\u4f8b\u5982，\u6211\u4eec\u9700\u8981\u591a\u6b21\u8ba1\u7b97\u5546\u54c1\u8ba2\u5355\u603b\u4ef7，\u5982\u679c\u6bcf\u6b21\u90fd\u624b\u52a8\u5199\u8ba1\u7b97\u903b\u8f91，\u4ee3\u7801\u4f1a\u91cd\u590d\u4e14\u4e0d\u5229\u4e8e\u7ef4\u62a4\u3002<\/p>\n price = 99.9 print(total) <\/p>\n \u53ef\u4ee5\u628a\u5b83\u5c01\u88c5\u6210\u51fd\u6570：<\/p>\n def calculate_total(price, count): result = calculate_total(99.9, 2)<\/p>\n print(result) <\/p>\n \u8f93\u51fa：<\/p>\n 199.8 <\/p>\n \u51fd\u6570\u7531\u4ee5\u4e0b\u90e8\u5206\u7ec4\u6210：<\/p>\n def \u51fd\u6570\u540d(\u53c2\u6570): \u5176\u4e2d：<\/p>\n \u6709\u65f6\u51fd\u6570\u7684\u67d0\u4e2a\u53c2\u6570\u901a\u5e38\u4f7f\u7528\u56fa\u5b9a\u503c，\u53ef\u4ee5\u7ed9\u5b83\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002<\/p>\n def greet(name, message="\u4f60\u597d"): print(greet("\u5f20\u4e09")) \u8f93\u51fa：<\/p>\n \u4f60\u597d，\u5f20\u4e09！ \u6ce8\u610f：\u5e26\u9ed8\u8ba4\u503c\u7684\u53c2\u6570\u5e94\u8be5\u653e\u5728\u666e\u901a\u53c2\u6570\u540e\u9762\u3002<\/p>\n # \u6b63\u786e \u8c03\u7528\u51fd\u6570\u65f6，\u53ef\u4ee5\u663e\u5f0f\u6307\u5b9a\u53c2\u6570\u540d\u79f0\u3002<\/p>\n def create_user(name, age, city): user = create_user( print(user) <\/p>\n \u8f93\u51fa：<\/p>\n {'name': '\u5c0f\u660e', 'age': 20, 'city': '\u897f\u5b89'} <\/p>\n \u5173\u952e\u5b57\u53c2\u6570\u7684\u597d\u5904\u662f：\u53c2\u6570\u987a\u5e8f\u53ef\u4ee5\u6539\u53d8，\u4ee3\u7801\u53ef\u8bfb\u6027\u4e5f\u66f4\u597d\u3002<\/span><\/p>\n \u5f53\u51fd\u6570\u63a5\u6536\u7684\u53c2\u6570\u4e2a\u6570\u4e0d\u56fa\u5b9a\u65f6，\u53ef\u4ee5\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u3002*numbers<\/span> \u4f1a\u628a\u4f20\u5165\u7684\u591a\u4e2a\u4f4d\u7f6e\u53c2\u6570\u6536\u96c6\u4e3a<\/span><\/span>\u5143\u7ec4<\/span><\/span>\u3002<\/span><\/span><\/p>\n def calculate_sum(*numbers): print(calculate_sum(1, 2, 3)) **kwargs<\/span> \u4f1a\u628a\u591a\u4e2a\u5173\u952e\u5b57\u53c2\u6570\u6536\u96c6\u4e3a<\/span><\/span>\u5b57\u5178<\/span><\/span>\u3002<\/span><\/span><\/p>\n def print_user_info(**kwargs): print_user_info( \u8fd9\u548c\u524d\u9762\u5b66\u4e60\u7684\u5bb9\u5668\u77e5\u8bc6\u6b63\u597d\u5bf9\u5e94：<\/p>\n *args -> \u5143\u7ec4 tuple def calculate_order_total(price, count, discount=1.0): price: \u5546\u54c1\u5355\u4ef7 return round(final_total, 2) #\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570<\/p>\n total = calculate_order_total( print(f"\u8ba2\u5355\u6700\u7ec8\u91d1\u989d：{total} \u5143") <\/p>\n \u8f93\u51fa：<\/p>\n \u8ba2\u5355\u6700\u7ec8\u91d1\u989d：508.3 \u5143 <\/p>\n \u51fd\u6570\u9002\u5408\u5904\u7406\u5355\u4e00\u903b\u8f91\u3002\u4f46\u5f53\u4e00\u4e2a\u4e8b\u7269\u65e2\u6709\u6570\u636e\u3001\u53c8\u6709\u884c\u4e3a\u65f6，\u4f7f\u7528\u7c7b\u4f1a\u66f4\u5408\u9002<\/span>\u3002<\/p>\n \u4f8b\u5982，\u4e00\u4e2a\u5b66\u751f\u62e5\u6709：<\/p>\n \u59d3\u540d \u540c\u65f6\u8fd8\u53ef\u4ee5：<\/p>\n \u81ea\u6211\u4ecb\u7ecd \u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528\u7c7b\u3002<\/p>\n class Student: def introduce(self): def is_passed(self): def update_score(self, new_score): \u521b\u5efa\u5bf9\u8c61：<\/p>\n student = Student("\u5c0f\u660e", 20, 88)<\/p>\n student.introduce()<\/p>\n print(student.is_passed())<\/p>\n student.update_score(95)<\/p>\n print(student.score) <\/p>\n \u8f93\u51fa：<\/p>\n \u5927\u5bb6\u597d，\u6211\u53eb \u5c0f\u660e，\u4eca\u5e74 20 \u5c81\u3002 __init__ \u662f\u521d\u59cb\u5316\u65b9\u6cd5\u3002<\/span>\u5f53\u6211\u4eec\u521b\u5efa\u5bf9\u8c61\u65f6：<\/p>\n student = Student("\u5c0f\u660e", 20, 88) <\/p>\n Python \u4f1a\u81ea\u52a8\u8c03\u7528：<\/p>\n __init__(self, "\u5c0f\u660e", 20, 88) <\/p>\n \u5176\u4e2d：<\/p>\n self.name = name <\/p>\n \u8868\u793a\u5c06\u4f20\u5165\u7684 name \u4fdd\u5b58\u5230\u5f53\u524d\u5bf9\u8c61\u4e2d\u3002self \u53ef\u4ee5\u7406\u89e3\u4e3a\u201c\u5f53\u524d\u521b\u5efa\u51fa\u6765\u7684\u5bf9\u8c61\u672c\u8eab\u201d\u3002<\/p>\n Student \u7c7b \u4f8b\u5982：<\/p>\n student1 = Student("\u5c0f\u660e", 20, 88) print(student1.name) print(student1.is_passed()) \u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u81ea\u5df1\u7684\u5c5e\u6027\u6570\u636e\u3002<\/span><\/p>\n \u540e\u9762\u4f7f\u7528 FastAPI \u7f16\u5199\u540e\u7aef\u65f6，\u4e5f\u4f1a\u9891\u7e41\u5904\u7406\u201c\u4efb\u52a1\u201d\u201c\u7528\u6237\u201d\u201c\u8ba2\u5355\u201d\u7b49\u5bf9\u8c61\u3002<\/p>\n class Task: def finish(self): def to_dict(self): task = Task(1, "\u5b66\u4e60 FastAPI")<\/p>\n print(task.to_dict())<\/p>\n task.finish()<\/p>\n print(task.to_dict()) <\/p>\n \u8f93\u51fa：<\/p>\n {'id': 1, 'title': '\u5b66\u4e60 FastAPI', 'completed': False} \u88c5\u9970\u5668\u662f Python \u4e2d\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u4ee3\u7801\u7684\u524d\u63d0\u4e0b，\u4e3a\u51fd\u6570\u589e\u52a0\u989d\u5916\u80fd\u529b\u3002<\/span><\/p>\n \u5e38\u89c1\u4f7f\u7528\u573a\u666f：<\/p>\n def log_decorator(func): return wrapper<\/p>\n @log_decorator say_hello() <\/p>\n \u8f93\u51fa：<\/p>\n \u51fd\u6570\u5f00\u59cb\u6267\u884c \u8fd9\u4e00\u53e5：<\/p>\n @log_decorator <\/p>\n \u672c\u8d28\u4e0a\u7b49\u4ef7\u4e8e：<\/p>\n say_hello = log_decorator(say_hello) <\/p>\n \u5b9e\u9645\u51fd\u6570\u5f80\u5f80\u6709\u53c2\u6570，\u56e0\u6b64\u88c5\u9970\u5668\u901a\u5e38\u5199\u6210\u4e0b\u9762\u8fd9\u6837：<\/p>\n from functools import wraps<\/p>\n def log_decorator(func): result = func(*args, **kwargs)<\/p>\n print(f"\u51fd\u6570\u6267\u884c\u5b8c\u6210，\u7ed3\u679c：{result}")<\/p>\n return result<\/p>\n return wrapper <\/p>\n \u4f7f\u7528：<\/p>\n @log_decorator print(add(3, 5)) <\/p>\n \u8f93\u51fa：<\/p>\n \u6b63\u5728\u8c03\u7528\u51fd\u6570：add @wraps(func) \u7684\u4f5c\u7528\u662f\u4fdd\u7559\u539f\u51fd\u6570\u7684\u540d\u79f0\u3001\u6ce8\u91ca\u7b49\u5143\u4fe1\u606f，\u662f\u7f16\u5199\u88c5\u9970\u5668\u65f6\u7684\u63a8\u8350\u5199\u6cd5\u3002<\/span><\/p>\n \u540e\u9762\u4f1a\u770b\u5230，FastAPI \u6700\u5e38\u89c1\u7684\u5199\u6cd5\u5c31\u662f\u88c5\u9970\u5668：<\/p>\n @app.get("\/tasks") \u5176\u4e2d：<\/p>\n @app.get("\/tasks") <\/p>\n \u5c31\u662f\u4e00\u4e2a\u88c5\u9970\u5668\u3002\u5b83\u7684\u4f5c\u7528\u662f\u544a\u8bc9 FastAPI：<\/p>\n \u5f53\u5ba2\u6237\u7aef\u53d1\u9001 GET \/tasks \u8bf7\u6c42\u65f6， \u6240\u4ee5\u7406\u89e3\u88c5\u9970\u5668，\u5bf9\u5b66\u4e60 FastAPI \u975e\u5e38\u91cd\u8981\u3002<\/p>\n \u904d\u5386\u5217\u8868\u65f6，\u6211\u4eec\u5df2\u7ecf\u4f7f\u7528\u8fc7 for \u5faa\u73af：<\/p>\n numbers = [10, 20, 30]<\/p>\n for number in numbers: \u8fd9\u91cc\u7684\u5217\u8868\u662f\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/p>\n \u5e38\u89c1\u53ef\u8fed\u4ee3\u5bf9\u8c61\u5305\u62ec：<\/p>\n \u8fed\u4ee3\u5668\u662f\u4e00\u4e2a\u53ef\u4ee5\u4e0d\u65ad\u901a\u8fc7 <\/span>next()<\/span> \u83b7\u53d6\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u5bf9\u8c61\u3002<\/span><\/span><\/p>\n numbers = [10, 20, 30]<\/p>\n iterator = iter(numbers)<\/p>\n print(next(iterator)) \u8f93\u51fa：<\/p>\n 10 \u5f53\u6ca1\u6709\u66f4\u591a\u5143\u7d20\u65f6，\u518d\u8c03\u7528 next() \u4f1a\u629b\u51fa\u5f02\u5e38：<\/p>\n StopIteration <\/p>\n for \u5faa\u73af\u672c\u8d28\u4e0a\u4e5f\u662f\u4e0d\u65ad\u8c03\u7528 next()，\u53ea\u662f Python \u81ea\u52a8\u5e2e\u6211\u4eec\u5904\u7406\u4e86\u505c\u6b62\u5f02\u5e38\u3002<\/p>\n class CountDown: def __iter__(self): def __next__(self): value = self.current return value <\/p>\n \u4f7f\u7528：<\/p>\n for number in CountDown(3): \u8f93\u51fa：<\/p>\n 3 \u751f\u6210\u5668\u662f\u66f4\u7b80\u5355\u7684\u8fed\u4ee3\u5668\u5199\u6cd5\u3002\u5b83\u4f7f\u7528 <\/span>yield<\/span> \u8fd4\u56de\u6570\u636e\u3002<\/span><\/span><\/p>\n def count_down(start): \u8c03\u7528：<\/p>\n generator = count_down(3)<\/p>\n print(next(generator)) \u6216\u8005\u76f4\u63a5\u4f7f\u7528 for：<\/p>\n for number in count_down(3): \u751f\u6210\u5668\u6700\u5927\u7684\u4f18\u52bf\u662f\u8282\u7701\u5185\u5b58\u3002<\/span>\u4f8b\u5982，\u5982\u679c\u9700\u8981\u5904\u7406\u4e00\u5343\u4e07\u6761\u6570\u636e：<\/p>\n numbers = [i for i in range(10_000_000)] <\/p>\n \u4f1a\u4e00\u6b21\u6027\u751f\u6210\u6240\u6709\u6570\u636e\u5e76\u5360\u7528\u5185\u5b58\u3002\u800c\u751f\u6210\u5668：<\/p>\n numbers = (i for i in range(10_000_000)) <\/p>\n \u53ea\u6709\u771f\u6b63\u904d\u5386\u5230\u67d0\u4e2a\u5143\u7d20\u65f6，\u624d\u751f\u6210\u90a3\u4e2a\u5143\u7d20\u3002<\/span><\/p>\n def batch_data(data, batch_size): users = [ for batch in batch_data(users, 3): \u8f93\u51fa：<\/p>\n ['\u7528\u62371', '\u7528\u62372', '\u7528\u62373'] \u8fd9\u79cd\u201c\u5206\u6279\u5904\u7406\u201d\u7684\u601d\u8def，\u5728\u722c\u866b\u3001\u6570\u636e\u5e93\u6279\u91cf\u5199\u5165\u3001\u6587\u4ef6\u5904\u7406\u3001\u6d88\u606f\u961f\u5217\u6d88\u8d39\u7b49\u573a\u666f\u4e2d\u5f88\u5e38\u89c1\u3002<\/p>\n \u5b66\u4e60 FastAPI \u524d，\u5fc5\u987b\u5148\u7406\u89e3 asyncio \u7684\u57fa\u7840\u3002<\/span><\/p>\n \u5047\u8bbe\u6709\u4e24\u4e2a\u4efb\u52a1：<\/p>\n import time<\/p>\n def download_file(): def send_message(): download_file() \u603b\u8017\u65f6\u7ea6\u4e3a：<\/p>\n 3 \u79d2 + 2 \u79d2 = 5 \u79d2 <\/p>\n \u56e0\u4e3a\u7b2c\u4e00\u4e2a\u4efb\u52a1\u6ca1\u6709\u7ed3\u675f，\u7b2c\u4e8c\u4e2a\u4efb\u52a1\u4e0d\u80fd\u5f00\u59cb\u3002<\/p>\n import asyncio<\/p>\n async def download_file(): async def send_message(): async def main(): asyncio.run(main()) <\/p>\n \u603b\u8017\u65f6\u7ea6\u4e3a：<\/p>\n 3 \u79d2 <\/p>\n \u56e0\u4e3a\u4e24\u4e2a\u4efb\u52a1\u5728\u7b49\u5f85 I\/O \u65f6\u53ef\u4ee5\u4ea4\u66ff\u6267\u884c\u3002<\/p>\n async def task(): \u542b\u4e49：<\/p>\n \u5f02\u6b65\u4e0d\u662f\u201c\u8ba9\u6240\u6709\u4ee3\u7801\u90fd\u53d8\u5feb\u201d\u3002\u5982\u679c\u51fd\u6570\u662f CPU \u5bc6\u96c6\u578b\u4efb\u52a1，\u4f8b\u5982：<\/p>\n def calculate(): for i in range(100_000_000): return total <\/p>\n \u5373\u4f7f\u5199\u6210 async def，\u4e5f\u4e0d\u4f1a\u81ea\u52a8\u52a0\u901f\u3002<\/p>\n \u5f02\u6b65\u66f4\u9002\u5408 I\/O \u5bc6\u96c6\u578b\u573a\u666f，\u4f8b\u5982：<\/p>\n \u5728\u5f02\u6b65\u51fd\u6570\u4e2d，\u4e0d\u8981\u4f7f\u7528\u963b\u585e\u5f0f\u7684：<\/p>\n time.sleep(3) <\/p>\n \u800c\u5e94\u8be5\u4f7f\u7528：<\/p>\n await asyncio.sleep(3) <\/p>\n FastAPI \u662f\u4e00\u4e2a\u73b0\u4ee3 Python Web \u6846\u67b6，\u9002\u5408\u5f00\u53d1<\/span>：<\/p>\n FastAPI \u7684\u51e0\u4e2a\u4f18\u70b9：<\/p>\n \u5efa\u8bae\u5148\u521b\u5efa\u865a\u62df\u73af\u5883：<\/p>\n python -m venv .venv <\/p>\n Windows \u6fc0\u6d3b\u865a\u62df\u73af\u5883：<\/p>\n .venv\\\\Scripts\\\\activate <\/p>\n \u5b89\u88c5 FastAPI：<\/p>\n python -m pip install "fastapi[standard]" <\/p>\n \u9879\u76ee\u76ee\u5f55\u53ef\u4ee5\u5148\u4fdd\u6301\u7b80\u5355：<\/p>\n python_fastapi_demo\/ requirements.txt \u5185\u5bb9：<\/p>\n fastapi[standard] <\/p>\n \u521b\u5efa main.py：<\/p>\n from fastapi import FastAPI<\/p>\n app = FastAPI( @app.get("\/") \u542f\u52a8\u670d\u52a1：<\/p>\n fastapi dev main.py <\/p>\n \u4e5f\u53ef\u4ee5\u4f7f\u7528\u4f20\u7edf\u7684 Uvicorn \u547d\u4ee4：<\/p>\n uvicorn main:app –reload <\/p>\n \u5176\u4e2d：<\/p>\n main -> main.py \u6587\u4ef6 \u542f\u52a8\u540e\u8bbf\u95ee：<\/p>\n http:\/\/127.0.0.1:8000\/ <\/p>\n \u8fd4\u56de：<\/p>\n { FastAPI \u8fd8\u4f1a\u81ea\u52a8\u751f\u6210\u63a5\u53e3\u6587\u6863：<\/p>\n http:\/\/127.0.0.1:8000\/docs <\/p>\n \u8fd9\u662f Swagger UI \u9875\u9762，\u53ef\u4ee5\u76f4\u63a5\u5728\u6d4f\u89c8\u5668\u4e2d\u6d4b\u8bd5\u63a5\u53e3\u3002FastAPI \u7684\u5b98\u65b9\u6587\u6863\u4e5f\u63d0\u4f9b\u4e86\u4f7f\u7528 Python \u57fa\u7840\u955c\u50cf\u6784\u5efa\u5bb9\u5668\u5316\u670d\u52a1\u7684\u6807\u51c6\u76ee\u5f55\u4e0e\u542f\u52a8\u65b9\u5f0f，\u540e\u7eed\u53ef\u4ee5\u628a\u672c\u7bc7\u7684\u5c0f\u9879\u76ee\u76f4\u63a5\u5bb9\u5668\u5316\u90e8\u7f72\u3002FastAPI \u5b98\u65b9\u90e8\u7f72\u6587\u6863<\/p>\n \u8def\u5f84\u53c2\u6570\u662f URL \u8def\u5f84\u4e2d\u7684\u52a8\u6001\u90e8\u5206\u3002<\/span><\/p>\n from fastapi import FastAPI<\/p>\n app = FastAPI()<\/p>\n @app.get("\/tasks\/{task_id}") \u8bbf\u95ee：<\/p>\n http:\/\/127.0.0.1:8000\/tasks\/1 <\/p>\n \u8fd4\u56de：<\/p>\n { \u8fd9\u91cc：<\/p>\n task_id: int <\/p>\n \u4e0d\u4ec5\u662f\u7c7b\u578b\u63d0\u793a，\u4e5f\u662f\u8bf7\u6c42\u53c2\u6570\u6821\u9a8c\u3002<\/span><\/span>\u5982\u679c\u8bbf\u95ee：<\/p>\n \/tasks\/abc <\/p>\n FastAPI \u4f1a\u81ea\u52a8\u8fd4\u56de\u53c2\u6570\u6821\u9a8c\u9519\u8bef，\u56e0\u4e3a abc \u4e0d\u80fd\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n \u67e5\u8be2\u53c2\u6570\u901a\u5e38\u653e\u5728 URL \u7684 ? \u540e\u9762\u3002<\/p>\n @app.get("\/tasks") \u8bbf\u95ee：<\/p>\n http:\/\/127.0.0.1:8000\/tasks?keyword=FastAPI&completed=false <\/p>\n \u8fd4\u56de：<\/p>\n { \u8def\u5f84\u53c2\u6570\u548c\u67e5\u8be2\u53c2\u6570\u7684\u533a\u522b：<\/p>\n \u4e0b\u9762\u4f7f\u7528\u5185\u5b58\u5217\u8868\u6a21\u62df\u6570\u636e\u5e93，\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u4efb\u52a1\u7ba1\u7406\u7cfb\u7edf\u3002<\/p>\n \u652f\u6301\u529f\u80fd：<\/p>\n \u5b8c\u6574 main.py：<\/p>\n from fastapi import FastAPI, HTTPException, status app = FastAPI( tasks = [ class TaskCreate(BaseModel): class TaskUpdate(BaseModel): @app.get("\/") @app.get("\/tasks") if completed is None: return [ @app.get("\/tasks\/{task_id}") for task in tasks: raise HTTPException( @app.post( new_task = { tasks.append(new_task)<\/p>\n return new_task<\/p>\n @app.patch("\/tasks\/{task_id}") for task in tasks: raise HTTPException( @app.delete("\/tasks\/{task_id}") for index, task in enumerate(tasks): return { raise HTTPException( class TaskCreate(BaseModel): \u8fd9\u4e2a\u7c7b\u7528\u4e8e\u63a5\u6536\u65b0\u589e\u4efb\u52a1\u65f6\u7684 JSON \u6570\u636e\u3002\u5f53\u5ba2\u6237\u7aef\u53d1\u9001：<\/p>\n { FastAPI \u4f1a\u81ea\u52a8：<\/p>\n \u5982\u679c\u5ba2\u6237\u7aef\u53d1\u9001：<\/p>\n { FastAPI \u4f1a\u81ea\u52a8\u8fd4\u56de\u53c2\u6570\u6821\u9a8c\u9519\u8bef，\u4e0d\u9700\u8981\u624b\u52a8\u5199\u5927\u91cf if \u5224\u65ad\u3002<\/p>\n \u8bf7\u6c42\u5730\u5740：<\/p>\n POST http:\/\/127.0.0.1:8000\/tasks <\/p>\n \u8bf7\u6c42\u4f53：<\/p>\n { \u8fd4\u56de：<\/p>\n { \u8bf7\u6c42\u5730\u5740：<\/p>\n PATCH http:\/\/127.0.0.1:8000\/tasks\/2 <\/p>\n \u8bf7\u6c42\u4f53：<\/p>\n { \u8fd4\u56de：<\/p>\n { \u5f53\u4efb\u52a1\u4e0d\u5b58\u5728\u65f6：<\/p>\n raise HTTPException( \u5ba2\u6237\u7aef\u4f1a\u6536\u5230：<\/p>\n { \u5e38\u89c1\u72b6\u6001\u7801：<\/p>\n \u4f60\u4f1a\u53d1\u73b0，FastAPI \u63a5\u53e3\u7ecf\u5e38\u5199\u6210：<\/p>\n @app.get("\/tasks") \u8fd9\u91cc\u7684 async def \u8868\u793a\u8be5\u63a5\u53e3\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u65b9\u5f0f\u6267\u884c\u3002\u4f8b\u5982，\u6a21\u62df\u4e00\u4e2a\u9700\u8981\u7b49\u5f85\u6570\u636e\u5e93\u67e5\u8be2\u7684\u63a5\u53e3：<\/p>\n import asyncio<\/p>\n @app.get("\/slow-tasks") return { \u8fd9\u91cc\u4f7f\u7528：<\/p>\n await asyncio.sleep(2) <\/p>\n \u8868\u793a\u5f53\u524d\u8bf7\u6c42\u7b49\u5f85\u65f6，\u4e0d\u4f1a\u4e00\u76f4\u963b\u585e\u6574\u4e2a\u670d\u52a1\u3002FastAPI \u53ef\u4ee5\u5728\u8fd9\u6bb5\u7b49\u5f85\u65f6\u95f4\u91cc\u5904\u7406\u5176\u4ed6\u8bf7\u6c42\u3002<\/p>\n \u4f46\u8981\u6ce8\u610f：<\/p>\n import time<\/p>\n @app.get("\/bad-example") return {"message": "\u4e0d\u63a8\u8350\u8fd9\u6837\u5199"} <\/p>\n \u867d\u7136\u63a5\u53e3\u5b9a\u4e49\u6210\u4e86 async def，\u4f46 time.sleep() \u4ecd\u7136\u662f\u963b\u585e\u64cd\u4f5c，\u4f1a\u5f71\u54cd\u5f02\u6b65\u6027\u80fd\u3002<\/p>\n \u6b63\u786e\u601d\u8def：<\/p>\n \u56e0\u6b64\u53ef\u4ee5\u8bb0\u4f4f\u4e00\u53e5\u8bdd：<\/p>\n async def \u672c\u8eab\u4e0d\u4f1a\u8ba9\u4ee3\u7801\u53d8\u5feb；\u771f\u6b63\u51b3\u5b9a\u662f\u5426\u5f02\u6b65\u7684\u662f\u5185\u90e8\u8c03\u7528\u7684\u64cd\u4f5c\u662f\u5426\u652f\u6301 await\u3002<\/p>\n \u672c\u7bc7\u4ece Python \u5bb9\u5668\u7ee7\u7eed\u5411\u540e\u5b66\u4e60\u4e86 Python \u540e\u7aef\u5f00\u53d1\u7684\u91cd\u8981\u57fa\u7840\u3002<\/p>\n \u672c\u7bc7\u7684\u4efb\u52a1\u7ba1\u7406 API \u76ee\u524d\u4f7f\u7528\u7684\u662f\u5185\u5b58\u5217\u8868\u4fdd\u5b58\u6570\u636e，\u670d\u52a1\u91cd\u542f\u540e\u6570\u636e\u4f1a\u4e22\u5931\u3002<\/p>\n \u4e0b\u4e00\u7bc7\u53ef\u4ee5\u7ee7\u7eed\u5c06\u4efb\u52a1\u7ba1\u7406 API \u5347\u7ea7\u4e3a：<\/p>\n FastAPI \u76ee\u5f55\u4e00\u3001\u51fd\u6570：\u5c06\u91cd\u590d\u903b\u8f91\u5c01\u88c5\u8d77\u6765<\/h3>\n
\ncount = 2
\ntotal = price * count<\/p>\n
\n return price * count<\/p>\n
\n \u51fd\u6570\u4f53
\n return \u8fd4\u56de\u503c <\/p>\n\n
1.1 \u9ed8\u8ba4\u53c2\u6570<\/h4>\n
\n return f"{message}，{name}！"<\/p>\n
\nprint(greet("\u674e\u56db", "\u65e9\u4e0a\u597d")) <\/p>\n
\n\u65e9\u4e0a\u597d，\u674e\u56db！ <\/p>\n
\ndef create_user(name, age=18):
\n pass
\n# \u9519\u8bef
\ndef create_user(age=18, name):
\n pass <\/p>\n1.2 \u5173\u952e\u5b57\u53c2\u6570<\/h4>\n
\n return {
\n "name": name,
\n "age": age,
\n "city": city
\n }<\/p>\n
\n city="\u897f\u5b89",
\n name="\u5c0f\u660e",
\n age=20
\n)<\/p>\n1.3 \u53ef\u53d8\u53c2\u6570 *args \u4e0e **kwargs<\/h4>\n
\n return sum(numbers)<\/p>\n
\nprint(calculate_sum(10, 20, 30, 40)) <\/p>\n
\n for key, value in kwargs.items():
\n print(f"{key}: {value}")<\/p>\n
\n name="\u5c0f\u660e",
\n age=20,
\n city="\u897f\u5b89"
\n) <\/p>\n
\n**kwargs -> \u5b57\u5178 dict <\/p>\n1.4 \u5c0f\u6848\u4f8b：\u8ba2\u5355\u91d1\u989d\u8ba1\u7b97<\/h4>\n
\n """\u8ba1\u7b97\u8ba2\u5355\u6700\u7ec8\u91d1\u989d\u3002<\/p>\n
\n count: \u5546\u54c1\u6570\u91cf
\n discount: \u6298\u6263，\u9ed8\u8ba4\u4e0d\u6253\u6298
\n """
\n original_total = price * count
\n final_total = original_total * discount<\/p>\n
\n price=299.0,
\n count=2,
\n discount=0.85
\n)<\/p>\n
\n\u4e8c\u3001\u7c7b\u4e0e\u5bf9\u8c61：\u8ba9\u6570\u636e\u548c\u884c\u4e3a\u653e\u5728\u4e00\u8d77<\/h3>\n
\n\u5e74\u9f84
\n\u5206\u6570 <\/p>\n
\n\u4fee\u6539\u5206\u6570
\n\u5224\u65ad\u662f\u5426\u53ca\u683c <\/p>\n
\n def __init__(self, name, age, score):
\n self.name = name
\n self.age = age
\n self.score = score<\/p>\n
\n print(f"\u5927\u5bb6\u597d，\u6211\u53eb {self.name}，\u4eca\u5e74 {self.age} \u5c81\u3002")<\/p>\n
\n return self.score >= 60<\/p>\n
\n self.score = new_score <\/p>\n
\nTrue
\n95 <\/p>\n2.1 __init__ \u662f\u4ec0\u4e48<\/h4>\n
2.2 \u7c7b\u548c\u5bf9\u8c61\u7684\u5173\u7cfb<\/h4>\n
\n \u2193
\n\u521b\u5efa\u5bf9\u8c61
\n \u2193
\nstudent1\u3001student2\u3001student3 <\/p>\n
\nstudent2 = Student("\u5c0f\u7ea2", 21, 56)<\/p>\n
\nprint(student2.name)<\/p>\n
\nprint(student2.is_passed()) <\/p>\n2.3 \u5c0f\u6848\u4f8b：\u7b80\u5355\u4efb\u52a1\u7c7b<\/h4>\n
\n def __init__(self, task_id, title, completed=False):
\n self.task_id = task_id
\n self.title = title
\n self.completed = completed<\/p>\n
\n self.completed = True<\/p>\n
\n return {
\n "id": self.task_id,
\n "title": self.title,
\n "completed": self.completed
\n }<\/p>\n
\n{'id': 1, 'title': '\u5b66\u4e60 FastAPI', 'completed': True} <\/p>\n\u4e09\u3001\u88c5\u9970\u5668：\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u4e5f\u80fd\u589e\u5f3a\u529f\u80fd<\/h3>\n
\n
3.1 \u6700\u7b80\u5355\u7684\u88c5\u9970\u5668<\/h4>\n
\n def wrapper():
\n print("\u51fd\u6570\u5f00\u59cb\u6267\u884c")
\n func()
\n print("\u51fd\u6570\u6267\u884c\u7ed3\u675f")<\/p>\n
\ndef say_hello():
\n print("\u4f60\u597d，Python！")<\/p>\n
\n\u4f60\u597d，Python！
\n\u51fd\u6570\u6267\u884c\u7ed3\u675f <\/p>\n3.2 \u652f\u6301\u4efb\u610f\u53c2\u6570\u7684\u88c5\u9970\u5668<\/h4>\n
\n @wraps(func)
\n def wrapper(*args, **kwargs):
\n print(f"\u6b63\u5728\u8c03\u7528\u51fd\u6570：{func.__name__}")<\/p>\n
\ndef add(a, b):
\n return a + b<\/p>\n
\n\u51fd\u6570\u6267\u884c\u5b8c\u6210，\u7ed3\u679c：8
\n8 <\/p>\n3.3 FastAPI \u4e2d\u7684\u88c5\u9970\u5668<\/h4>\n
\nasync def get_tasks():
\n return [] <\/p>\n
\n\u8bf7\u6267\u884c get_tasks \u51fd\u6570\u3002 <\/p>\n\u56db\u3001\u8fed\u4ee3\u5668\u4e0e\u751f\u6210\u5668<\/h3>\n
4.1 \u4ec0\u4e48\u662f\u8fed\u4ee3<\/h4>\n
\n print(number) <\/p>\n\n
4.2 \u4ec0\u4e48\u662f\u8fed\u4ee3\u5668<\/h4>\n
\nprint(next(iterator))
\nprint(next(iterator)) <\/p>\n
\n20
\n30 <\/p>\n4.3 \u81ea\u5b9a\u4e49\u8fed\u4ee3\u5668<\/h4>\n
\n def __init__(self, start):
\n self.current = start<\/p>\n
\n return self<\/p>\n
\n if self.current <= 0:
\n raise StopIteration<\/p>\n
\n self.current -= 1<\/p>\n
\n print(number) <\/p>\n
\n2
\n1 <\/p>\n4.4 \u4ec0\u4e48\u662f\u751f\u6210\u5668<\/h4>\n
\n while start > 0:
\n yield start
\n start -= 1 <\/p>\n
\nprint(next(generator))
\nprint(next(generator)) <\/p>\n
\n print(number) <\/p>\n4.5 \u5c0f\u6848\u4f8b：\u5206\u6279\u8bfb\u53d6\u6570\u636e<\/h4>\n
\n for index in range(0, len(data), batch_size):
\n yield data[index:index + batch_size]<\/p>\n
\n "\u7528\u62371", "\u7528\u62372", "\u7528\u62373",
\n "\u7528\u62374", "\u7528\u62375", "\u7528\u62376",
\n "\u7528\u62377"
\n]<\/p>\n
\n print(batch) <\/p>\n
\n['\u7528\u62374', '\u7528\u62375', '\u7528\u62376']
\n['\u7528\u62377'] <\/p>\n\u4e94\u3001asyncio：Python \u7684\u5f02\u6b65\u7f16\u7a0b\u57fa\u7840<\/h3>\n
5.1 \u540c\u6b65\u6267\u884c\u7684\u95ee\u9898<\/h4>\n
\n print("\u5f00\u59cb\u4e0b\u8f7d\u6587\u4ef6")
\n time.sleep(3)
\n print("\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u6210")<\/p>\n
\n print("\u5f00\u59cb\u53d1\u9001\u6d88\u606f")
\n time.sleep(2)
\n print("\u6d88\u606f\u53d1\u9001\u5b8c\u6210")<\/p>\n
\nsend_message() <\/p>\n5.2 \u5f02\u6b65\u6267\u884c<\/h4>\n
\n print("\u5f00\u59cb\u4e0b\u8f7d\u6587\u4ef6")
\n await asyncio.sleep(3)
\n print("\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u6210")<\/p>\n
\n print("\u5f00\u59cb\u53d1\u9001\u6d88\u606f")
\n await asyncio.sleep(2)
\n print("\u6d88\u606f\u53d1\u9001\u5b8c\u6210")<\/p>\n
\n await asyncio.gather(
\n download_file(),
\n send_message()
\n )<\/p>\n5.3 async \u4e0e await<\/h4>\n
\n await asyncio.sleep(1) <\/p>\n\n
5.4 \u4e00\u4e2a\u91cd\u8981\u8bef\u533a<\/h4>\n
\n total = 0<\/p>\n
\n total += i<\/p>\n\n
\u516d\u3001FastAPI：\u4ece\u96f6\u5199\u4e00\u4e2a\u4efb\u52a1\u7ba1\u7406\u540e\u7aef<\/h3>\n
\n
\n
6.1 \u5b89\u88c5 FastAPI<\/h3>\n
\n\u251c\u2500\u2500 main.py
\n\u2514\u2500\u2500 requirements.txt <\/p>\n6.2 \u7b2c\u4e00\u4e2a FastAPI \u63a5\u53e3<\/h3>\n
\n title="\u4efb\u52a1\u7ba1\u7406 API",
\n description="\u7528\u4e8e\u5b66\u4e60 FastAPI \u7684\u7b80\u5355\u540e\u7aef\u9879\u76ee",
\n version="1.0.0"
\n)<\/p>\n
\nasync def read_root():
\n return {
\n "message": "FastAPI \u670d\u52a1\u542f\u52a8\u6210\u529f"
\n } <\/p>\n
\napp -> FastAPI() \u521b\u5efa\u7684\u5bf9\u8c61
\n–reload -> \u4fee\u6539\u4ee3\u7801\u540e\u81ea\u52a8\u91cd\u542f\u670d\u52a1 <\/p>\n
\n "message": "FastAPI \u670d\u52a1\u542f\u52a8\u6210\u529f"
\n} <\/p>\n6.3 \u8def\u5f84\u53c2\u6570<\/h3>\n
\nasync def get_task(task_id: int):
\n return {
\n "task_id": task_id,
\n "message": "\u67e5\u8be2\u4efb\u52a1\u6210\u529f"
\n } <\/p>\n
\n "task_id": 1,
\n "message": "\u67e5\u8be2\u4efb\u52a1\u6210\u529f"
\n} <\/p>\n6.4 \u67e5\u8be2\u53c2\u6570<\/h3>\n
\nasync def get_tasks(
\n keyword: str | None = None,
\n completed: bool | None = None
\n):
\n return {
\n "keyword": keyword,
\n "completed": completed
\n } <\/p>\n
\n "keyword": "FastAPI",
\n "completed": false
\n} <\/p>\n\n
\u7c7b\u578b\u793a\u4f8b<\/tr>\n \n\n \u8def\u5f84\u53c2\u6570<\/td>\n \/tasks\/1<\/td>\n<\/tr>\n \n \u67e5\u8be2\u53c2\u6570<\/td>\n \/tasks?completed=true<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u4e03\u3001FastAPI \u5c0f\u9879\u76ee：\u4efb\u52a1\u7ba1\u7406 API<\/h3>\n
\n
\nfrom pydantic import BaseModel, Field<\/p>\n
\n title="\u4efb\u52a1\u7ba1\u7406 API",
\n description="FastAPI \u5165\u95e8\u5b9e\u6218\u9879\u76ee",
\n version="1.0.0"
\n)<\/p>\n
\n {
\n "id": 1,
\n "title": "\u5b66\u4e60 Python \u51fd\u6570",
\n "completed": True
\n },
\n {
\n "id": 2,
\n "title": "\u5b66\u4e60 FastAPI",
\n "completed": False
\n }
\n]<\/p>\n
\n title: str = Field(
\n min_length=1,
\n max_length=100,
\n description="\u4efb\u52a1\u6807\u9898"
\n )<\/p>\n
\n completed: bool = Field(
\n description="\u4efb\u52a1\u662f\u5426\u5b8c\u6210"
\n )<\/p>\n
\nasync def read_root():
\n return {
\n "message": "\u4efb\u52a1\u7ba1\u7406 API \u670d\u52a1\u8fd0\u884c\u4e2d"
\n }<\/p>\n
\nasync def get_tasks(completed: bool | None = None):
\n """\u67e5\u8be2\u4efb\u52a1\u5217\u8868\u3002"""<\/p>\n
\n return tasks<\/p>\n
\n task for task in tasks
\n if task["completed"] == completed
\n ]<\/p>\n
\nasync def get_task(task_id: int):
\n """\u6839\u636e\u4efb\u52a1 ID \u67e5\u8be2\u4efb\u52a1\u3002"""<\/p>\n
\n if task["id"] == task_id:
\n return task<\/p>\n
\n status_code=status.HTTP_404_NOT_FOUND,
\n detail="\u4efb\u52a1\u4e0d\u5b58\u5728"
\n )<\/p>\n
\n "\/tasks",
\n status_code=status.HTTP_201_CREATED
\n)
\nasync def create_task(task: TaskCreate):
\n """\u65b0\u589e\u4efb\u52a1\u3002"""<\/p>\n
\n "id": len(tasks) + 1,
\n "title": task.title,
\n "completed": False
\n }<\/p>\n
\nasync def update_task(
\n task_id: int,
\n task_data: TaskUpdate
\n):
\n """\u4fee\u6539\u4efb\u52a1\u5b8c\u6210\u72b6\u6001\u3002"""<\/p>\n
\n if task["id"] == task_id:
\n task["completed"] = task_data.completed
\n return task<\/p>\n
\n status_code=status.HTTP_404_NOT_FOUND,
\n detail="\u4efb\u52a1\u4e0d\u5b58\u5728"
\n )<\/p>\n
\nasync def delete_task(task_id: int):
\n """\u5220\u9664\u4efb\u52a1\u3002"""<\/p>\n
\n if task["id"] == task_id:
\n deleted_task = tasks.pop(index)<\/p>\n
\n "message": "\u4efb\u52a1\u5220\u9664\u6210\u529f",
\n "task": deleted_task
\n }<\/p>\n
\n status_code=status.HTTP_404_NOT_FOUND,
\n detail="\u4efb\u52a1\u4e0d\u5b58\u5728"
\n ) <\/p>\n7.1 Pydantic \u6a21\u578b\u7684\u4f5c\u7528<\/h4>\n
\n title: str = Field(min_length=1, max_length=100) <\/p>\n
\n "title": "\u5b66\u4e60 asyncio"
\n} <\/p>\n
\n "title": ""
\n} <\/p>\n7.2 \u6d4b\u8bd5\u65b0\u589e\u4efb\u52a1\u63a5\u53e3<\/h4>\n
\n "title": "\u5b66\u4e60 FastAPI \u8bf7\u6c42\u4f53"
\n} <\/p>\n
\n "id": 3,
\n "title": "\u5b66\u4e60 FastAPI \u8bf7\u6c42\u4f53",
\n "completed": false
\n} <\/p>\n7.3 \u6d4b\u8bd5\u4fee\u6539\u4efb\u52a1\u72b6\u6001<\/h4>\n
\n "completed": true
\n} <\/p>\n
\n "id": 2,
\n "title": "\u5b66\u4e60 FastAPI",
\n "completed": true
\n} <\/p>\n7.4 HTTPException \u7684\u4f5c\u7528<\/h4>\n
\n status_code=404,
\n detail="\u4efb\u52a1\u4e0d\u5b58\u5728"
\n) <\/p>\n
\n "detail": "\u4efb\u52a1\u4e0d\u5b58\u5728"
\n} <\/p>\n\n
\u72b6\u6001\u7801\u542b\u4e49<\/tr>\n \n\n 200<\/td>\n \u8bf7\u6c42\u6210\u529f<\/td>\n<\/tr>\n \n 201<\/td>\n \u521b\u5efa\u6210\u529f<\/td>\n<\/tr>\n \n 400<\/td>\n \u8bf7\u6c42\u53c2\u6570\u9519\u8bef<\/td>\n<\/tr>\n \n 401<\/td>\n \u672a\u767b\u5f55\u6216\u8ba4\u8bc1\u5931\u8d25<\/td>\n<\/tr>\n \n 403<\/td>\n \u6ca1\u6709\u6743\u9650<\/td>\n<\/tr>\n \n 404<\/td>\n \u8d44\u6e90\u4e0d\u5b58\u5728<\/td>\n<\/tr>\n \n 500<\/td>\n \u670d\u52a1\u7aef\u5f02\u5e38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u516b\u3001FastAPI \u4e0e asyncio \u7684\u5173\u7cfb<\/h3>\n
\nasync def get_tasks():
\n return tasks <\/p>\n
\nasync def get_slow_tasks():
\n await asyncio.sleep(2)<\/p>\n
\n "message": "\u6a21\u62df\u6570\u636e\u5e93\u67e5\u8be2\u5b8c\u6210",
\n "data": tasks
\n } <\/p>\n
\nasync def bad_example():
\n time.sleep(2)<\/p>\n\n
\u573a\u666f\u63a8\u8350\u5199\u6cd5<\/tr>\n \n\n \u5f02\u6b65 HTTP \u8bf7\u6c42<\/td>\n \u4f7f\u7528 httpx.AsyncClient<\/td>\n<\/tr>\n \n \u5f02\u6b65\u6570\u636e\u5e93<\/td>\n \u4f7f\u7528\u5f02\u6b65\u6570\u636e\u5e93\u9a71\u52a8<\/td>\n<\/tr>\n \n \u5f02\u6b65 Redis<\/td>\n \u4f7f\u7528\u5f02\u6b65 Redis \u5ba2\u6237\u7aef<\/td>\n<\/tr>\n \n \u6a21\u62df\u5f02\u6b65\u7b49\u5f85<\/td>\n await asyncio.sleep()<\/td>\n<\/tr>\n \n CPU \u5bc6\u96c6\u578b\u8ba1\u7b97<\/td>\n \u8003\u8651\u7ebf\u7a0b\u6c60\u3001\u8fdb\u7a0b\u6c60\u3001\u4efb\u52a1\u961f\u5217<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u603b\u7ed3<\/h3>\n
\n
\n+ SQLAlchemy
\n+ MySQL \/ SQLite
\n+ \u7528\u6237\u6ce8\u518c\u767b\u5f55
\n+ JWT \u6743\u9650\u8ba4\u8bc1
\n+ Docker \u5bb9\u5668\u5316\u90e8\u7f72<\/p>\n","protected":false},"excerpt":{"rendered":"
\n\u4e00\u3001\u51fd\u6570：\u5c06\u91cd\u590d\u903b\u8f91\u5c01\u88c5\u8d77\u6765
\n1.1 \u9ed8\u8ba4\u53c2\u6570
\n1.2 \u5173\u952e\u5b57\u53c2\u6570
\n1.3 \u53ef\u53d8\u53c2\u6570 *args \u4e0e **kwargs
\n1.4 \u5c0f\u6848\u4f8b：\u8ba2\u5355\u91d1\u989d\u8ba1\u7b97
\n\u4e8c\u3001\u7c7b\u4e0e\u5bf9\u8c61：\u8ba9\u6570\u636e\u548c\u884c\u4e3a\u653e\u5728\u4e00\u8d77
\n2.1 __init__ \u662f\u4ec0\u4e48
\n2.2 \u7c7b\u548c\u5bf9\u8c61\u7684\u5173\u7cfb
\n2.3 \u5c0f\u6848\u4f8b：\u7b80\u5355\u4efb\u52a1\u7c7b
\n\u4e09\u3001\u88c5\u9970\u5668：\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u4e5f\u80fd\u589e\u5f3a\u529f\u80fd
\n3.1 \u6700\u7b80\u5355\u7684\u88c5\u9970\u5668
\n3.2 \u652f\u6301\u4efb\u610f\u53c2\u6570\u7684\u88c5\u9970\u5668
\n3.3 Fas<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,190],"topic":[],"class_list":["post-107552","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-190"],"yoast_head":"\n