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database.py
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database.py
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# -*- coding: utf-8 -*-
import tornado
import tornado.web
import json
import math
from tornado.options import define
define("mysql_host", default="10.9.1.188:3306", help="blog database host") # 请修改数据库ip地址及端口
define("mysql_database", default="请填入数据库名", help="blog database name")
define("mysql_user", default="请填入数据库用户名", help="blog database user")
define("mysql_password", default="请填入数据库密码", help="blog database password")
class DataBase(tornado.web.RequestHandler):
@property
def database(self):
return self.application.database
def get_current_user(self):
return self.get_secure_cookie("user")
def get_tags(self, item_id):
tags = self.database.query("SELECT tag_name FROM tags WHERE article_id = %s", int(item_id))
tag_name = ''
if tags:
for tag in tags:
tag_name += ' ' + tag['tag_name']
else:
tag_name = None
return tag_name
'''
处理datetime满足json
'''
class DateTimeEncoder(json.JSONEncoder):
def default(self, o):
return o.strftime("%Y-%m-%dT%H:%M:%S")
class Paginator(object):
def page_renders(self, page, page_size, total):
if total % page_size == 0:
pages = int(math.ceil(total / page_size))
else:
pages = int(math.ceil(total / page_size)) + 1
next = page + 1 if page < pages else None
previous = page - 1 if page > 1 else None
return pages, next, previous