增加数据库迁移命令和数据库初始化命令，分离schemas

applications/models/admin_log.py

@@ -1,7 +1,5 @@
 import datetime
-from applications.extensions import db, ma
-from marshmallow import fields
-
+from applications.extensions import db
 
 class AdminLog(db.Model):
     __tablename__ = 'admin_admin_log'
@@ -13,16 +11,4 @@ class AdminLog(db.Model):
     ip = db.Column(db.String(255))
     success = db.Column(db.Integer)
     user_agent = db.Column(db.Text)
-    create_time = db.Column(db.DateTime, default=datetime.datetime.now)
-
-
-class LogSchema(ma.Schema):  # 序列化类
-    id = fields.Integer()
-    method = fields.Str()
-    uid = fields.Str()
-    url = fields.Str()
-    desc = fields.Str()
-    ip = fields.Str()
-    user_agent = fields.Str()
-    success = fields.Bool()
-    create_time = fields.DateTime()
+    create_time = db.Column(db.DateTime, default=datetime.datetime.now)