项目初始化

app/app_config.py

@@ -0,0 +1,20 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from api.modbus_api import modbus
+
+app = FastAPI()
+
+
+'''
+添加CORS中间件，允许跨域请求
+'''
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(modbus, prefix="/modbus", tags=["modbus的api"])