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关于fastapi的cors问题,没想到fastapi都写到文档里面了,实现起来也非常简单:
StackOverflow:
https://stackoverflow.com/questions/65635346/how-can-i-enable-cors-in-fastapi
python代码如下:
- from fastapi import FastAPI
- from fastapi.middleware.cors import CORSMiddleware
-
- app = FastAPI()
-
- origins = ["*"]
-
- app.add_middleware(
- CORSMiddleware,
- allow_origins=origins,
- allow_credentials=True,
- allow_methods=["*"],
- allow_headers=["*"],
- )
-
-
- @app.get("/")
- async def main():
- return {"message": "Hello World"}
然后运行这个代码:
uvicorn main:app --reload --host 0.0.0.0 --port 8000
然后在html里面加入下面的代码(注意ip和端口)测验一下:
- <script>
- fetch("http://192.12.12.12:8000/").then((Response) => {
- return Response.json()
- }).then((data) => {
- console.log(data);
- })
- </script>
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