fix: 修复子应用、中间件、异常无法正常挂载的问题

ruoyi-fastapi-backend/exceptions/handle.py

@@ -1,27 +1,27 @@
-from fastapi import Request
+from fastapi import FastAPI, Request
 from fastapi.exceptions import HTTPException
-from server import app
-from exceptions.auth_exception import AuthException
-from exceptions.permission_exception import PermissionException
+from exceptions.exception import AuthException, PermissionException
 from utils.response_util import ResponseUtil, JSONResponse, jsonable_encoder
 
 
-# 自定义token检验异常
-@app.exception_handler(AuthException)
-async def auth_exception_handler(request: Request, exc: AuthException):
-    return ResponseUtil.unauthorized(data=exc.data, msg=exc.message)
+def handle_exception(app: FastAPI):
+    """
+    全局异常处理
+    """
+    # 自定义token检验异常
+    @app.exception_handler(AuthException)
+    async def auth_exception_handler(request: Request, exc: AuthException):
+        return ResponseUtil.unauthorized(data=exc.data, msg=exc.message)
 
+    # 自定义权限检验异常
+    @app.exception_handler(PermissionException)
+    async def permission_exception_handler(request: Request, exc: PermissionException):
+        return ResponseUtil.forbidden(data=exc.data, msg=exc.message)
 
-# 自定义权限检验异常
-@app.exception_handler(PermissionException)
-async def permission_exception_handler(request: Request, exc: PermissionException):
-    return ResponseUtil.forbidden(data=exc.data, msg=exc.message)
-
-
-# 处理其他http请求异常
-@app.exception_handler(HTTPException)
-async def http_exception_handler(request: Request, exc: HTTPException):
-    return JSONResponse(
-        content=jsonable_encoder({"code": exc.status_code, "msg": exc.detail}),
-        status_code=exc.status_code
-    )
+    # 处理其他http请求异常
+    @app.exception_handler(HTTPException)
+    async def http_exception_handler(request: Request, exc: HTTPException):
+        return JSONResponse(
+            content=jsonable_encoder({"code": exc.status_code, "msg": exc.detail}),
+            status_code=exc.status_code
+        )

ruoyi-fastapi-backend/middlewares/cors_middleware.py

@@ -1,18 +1,19 @@
+from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from server import app
 
 
-# 前端页面url
-origins = [
-    "http://localhost:80",
-    "http://127.0.0.1:80",
-]
+def add_cors_middleware(app: FastAPI):
+    # 前端页面url
+    origins = [
+        "http://localhost:80",
+        "http://127.0.0.1:80",
+    ]
 
-# 后台api允许跨域
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=origins,
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
+    # 后台api允许跨域
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=origins,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )

ruoyi-fastapi-backend/middlewares/handle.py

@@ -0,0 +1,10 @@
+from fastapi import FastAPI
+from middlewares.cors_middleware import add_cors_middleware
+
+
+def handle_middleware(app: FastAPI):
+    """
+    全局中间件处理
+    """
+    # 加载跨域中间件
+    add_cors_middleware(app)

ruoyi-fastapi-backend/server.py

@@ -1,5 +1,8 @@
 from fastapi import FastAPI
 from contextlib import asynccontextmanager
+from sub_applications.handle import handle_sub_applications
+from middlewares.handle import handle_middleware
+from exceptions.handle import handle_exception
 from module_admin.controller.login_controller import loginController
 from module_admin.controller.captcha_controller import captchaController
 from module_admin.controller.user_controller import userController
@@ -24,6 +27,7 @@ from utils.log_util import logger
 from utils.common_util import worship
 
 
+# 生命周期事件
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     logger.info(f"{AppConfig.app_name}开始启动")
@@ -39,6 +43,7 @@ async def lifespan(app: FastAPI):
     await SchedulerUtil.close_system_scheduler()
 
 
+# 初始化FastAPI对象
 app = FastAPI(
     title=AppConfig.app_name,
     description=f'{AppConfig.app_name}接口文档',
@@ -46,7 +51,15 @@ app = FastAPI(
     lifespan=lifespan
 )
 
+# 挂载子应用
+handle_sub_applications(app)
+# 加载中间件处理方法
+handle_middleware(app)
+# 加载全局异常处理方法
+handle_exception(app)
 
+
+# 加载路由列表
 controller_list = [
     {'router': loginController, 'tags': ['登录模块']},
     {'router': captchaController, 'tags': ['验证码模块']},

ruoyi-fastapi-backend/sub_applications/handle.py

@@ -0,0 +1,10 @@
+from fastapi import FastAPI
+from sub_applications.staticfiles import mount_staticfiles
+
+
+def handle_sub_applications(app: FastAPI):
+    """
+    全局处理子应用挂载
+    """
+    # 挂载静态文件
+    mount_staticfiles(app)

ruoyi-fastapi-backend/sub_applications/staticfiles.py

@@ -1,7 +1,10 @@
+from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
-from server import app
 from config.env import UploadConfig
 
 
-# 挂载静态文件路径
-app.mount(f"{UploadConfig.UPLOAD_PREFIX}", StaticFiles(directory=f"{UploadConfig.UPLOAD_PATH}"), name="profile")
+def mount_staticfiles(app: FastAPI):
+    """
+    挂载静态文件
+    """
+    app.mount(f"{UploadConfig.UPLOAD_PREFIX}", StaticFiles(directory=f"{UploadConfig.UPLOAD_PATH}"), name="profile")