64 lines
1.2 KiB
Python
64 lines
1.2 KiB
Python
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# #列表推导式
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# l=[i*2 for i in range(1,10)]
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# print(l)
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# #字典推导式
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# dic={ i: i*2 for i in range(1,10)}
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# print(dic)
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# #集合推导式
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# s={i for i in [1,2,3]}
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# print(s)
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#
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# **什么是 FastAPI？**
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# 答：FastAPI 是 Python 的高性能 web 框架，用来写接口，自动生成接口文档，自带请求数据校验。
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#**什么是接口？GET POST PUT DELETE 分别作用？**
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# 答：接口就是后端提供给前端调用的入口。
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# - GET：查询数据
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# - POST：新增数据
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# - PUT：完整更新数据
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# - DELETE：删除数据
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# **400 Bad Request**：请求参数错误
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# **404 Not Found**：找不到资源
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# 422 Unprocessable Entity：数据校验失败
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# 500 Internal Server Error：服务器内部报错，代码异常
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# from fastapi import FastAPI
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# app = FastAPI()
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# @app.get("/hello")
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# def hello():
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# return {"hello"}
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#
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# def hello():
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# print("hello")
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### ORM 查询（简单版）
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# 题目：根据名字查询班级
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# class_obj = db.query(ClassModel).filter(ClassModel.class_name == name).first()
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def a():
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x=10
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def b():
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print (x)
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return b
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from fastapi import FastAPI
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app = FastAPI()
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@app.post("/hello")
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def hello():
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print("hello")
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hello()
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