feat: v4 demo

python/fastapi-demo.py

@@ -0,0 +1,28 @@
+import argparse
+import uvicorn
+from fastapi import FastAPI
+
+app = FastAPI()
+
+# argparse
+parser = argparse.ArgumentParser(description='Process some integers.')
+parser.add_argument('--port', type=int, default=7074, help='The port number.')
+args = parser.parse_args()
+
+@app.get("/")
+async def index():
+    return {"message": "Hello World"}
+
+@app.get("/api/hello")
+async def hello():
+    return {
+        "app_name": "FastAPI框架学习",
+        "app_version": "v0.0.1"
+    }
+
+if __name__ == "__main__":
+    # uvicorn会多创建一个进程，并且stdio独立于控制台，如果（开发时）出现进程没有关闭，可尝试关闭终端
+    uvicorn.run(app, host="127.0.0.1", port=args.port)
+
+# 控制台默认关闭输出信息，如果想要查看控制台输出，请单独启动服务 npm run dev-python
+print("python server is running at port:", args.port)