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Python FastAPI涓嶱ostgreSQL榪涜澧炲垹鏀規(guī)煡鎿嶄綔 PDF 涓嬭澆

杞澆鑷細(xì)http://www.python222.com/article/871

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瑕佷嬌鐢≒ython FastAPI涓嶱ostgreSQL榪涜澧炲垹鏀規(guī)煡鎿嶄綔錛屾?zhèn)ㄩ渶瑕佸畨瑁呬互涓嬫ā鍧楋細(xì) 1. fastapi錛氱敤浜庡垱寤篧eb API 2. uvicorn錛氱敤浜庤繍琛學(xué)eb API 3. psycopg2錛氱敤浜庝笌PostgreSQL鏁版嵁搴撲氦浜?鎺ヤ笅鏉ワ紝鎴戜滑灝嗘紨紺哄浣曚嬌鐢≒ython FastAPI鍜孭ostgreSQL榪涜澧炲垹鏀規(guī)煡鎿嶄綔銆?棣栧厛錛屾垜浠渶瑕佸垱寤轟竴涓繛鎺ュ埌PostgreSQL鏁版嵁搴撶殑鍑芥暟銆傛?zhèn)ㄩ渶瑕佸皢鏁版嵁搴撹繛鎺ヤ俊鎭洿鏀逛負(fù)鎮(zhèn)ㄨ嚜宸?鐨勶細(xì)

import psycopg2 def create_conn(): conn = psycopg2.connect( host="localhost", database="mydatabase", user="myuser", password="mypassword", port="5432" ) return conn

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from fastapi import FastAPI app = FastAPI() @app.on_event("startup") async def startup(): app.state.conn = create_conn() @app.on_event("shutdown") async def shutdown(): app.state.conn.close()

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from fastapi import FastAPI from typing import List import psycopg2 app = FastAPI() def create_conn(): conn = psycopg2.connect( host="localhost", database="mydatabase", user="myuser", password="mypassword", port="5432" ) return conn @app.on_event("startup") async def startup(): app.state.conn = create_conn() @app.on_event("shutdown") async def shutdown(): app.state.conn.close() @app.get("/users") async def read_users(): conn = app.state.conn cursor = conn.cursor() cursor.execute("SELECT * FROM users") rows = cursor.fetchall() return [{"id": row[0], "name": row[1], "email": row[2]} for row in rows]

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Python FastAPI涓嶱ostgreSQL榪涜澧炲垹鏀規(guī)煡鎿嶄綔 PDF 涓嬭澆

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