可运行

application.py

@@ -1,10 +1,13 @@
 # -*- coding: utf-8 -*-
 from flask import Flask
-from flask_script import Manager
 from flask_sqlalchemy import SQLAlchemy
 
 
 import os
+
+# 先创建db实例
+db = SQLAlchemy()
+
 class Application( Flask ):
     def __init__(self,import_name,template_folder=None,root_path = None):
         super( Application,self ).__init__( import_name ,template_folder=template_folder,root_path = root_path,static_folder = None)
@@ -12,14 +15,14 @@ class Application( Flask ):
         if "ops_config" in os.environ:
             self.config.from_pyfile( 'config/%s_setting.py'%os.environ['ops_config'] )
         # 设置数据库连接 URI
-        self.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:123456@127.0.0.1/food_db?charset=utf8mb4'
+        self.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:!Rjb12191@gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/food_db?charset=utf8mb4'
         # 禁用对象修改跟踪
         self.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+        # 初始化数据库
         db.init_app( self )
 
-db = SQLAlchemy()
+# 创建应用实例
 app = Application( __name__,template_folder=os.getcwd()+"/web/templates/" ,root_path = os.getcwd())
-manager = Manager( app )
 
 '''
 函数模板