python----/数据库/本地/课程表时间加7.ipynb at aac9f5934dfbc29881f2fe480ef2287ab18d4b6c

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- 新增websocket客户端和服务端实现
- 添加图片压缩工具和快速压缩脚本
- 实现学生信息处理相关API
- 添加MQTT客户端和消息处理功能
- 更新.gitignore忽略更多文件类型
- 添加数据库操作工具和示例
- 实现多个测试脚本和工具类

2026-04-13 14:47:50 +08:00

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In [4]:

import pymysql
import snowflake
from faker import Faker
fake = Faker('zh_CN')
import random
# 创建数据库连接
connection = pymysql.connect(
host='192.168.0.244',
port=3300,
user='root',
password='hxyd1109',
database='school_server',
charset='utf8'
)
# 创建游标对象
cursor = connection.cursor()

In [5]:

def create_table(cursor,result):
    
    data = []
    for i in result:
        list_list = list(i)
        des=cursor.description  # 获取表详情，字段名，长度，属性等
        t = ",".join([item[0] for item in des])
        table_head = t.split(',')  # # 查询表列名 用,分割
    
        dict_result = dict(zip(table_head, list_list))  # 打包为元组的列表 再转换为字典
        data.append(dict_result)  # 将字典添加到list_result中
    return data

In [6]:

sql='select * from class_attend limit 0,10'

In [7]:

cursor.execute(sql)
result = cursor.fetchall()

In [8]:

result = create_table(cursor,result)

In [11]:

sql='''
UPDATE class_attend 
SET 
    class_s_time = DATE_ADD(class_s_time, INTERVAL 28 DAY),
    class_e_time = DATE_ADD(class_e_time, INTERVAL 28 DAY),
    start_time = DATE_ADD(start_time, INTERVAL 28 DAY),
    end_time = DATE_ADD(end_time, INTERVAL 28 DAY),
    attend_date = DATE_ADD(attend_date, INTERVAL 28 DAY),
    class_s_times = DATE_ADD(class_s_times, INTERVAL 28 DAY),
    class_e_times = DATE_ADD(class_e_times, INTERVAL 28 DAY);
'''
cursor.execute(sql)
connection.commit()

3.0 KiB Raw Blame History

3.0 KiB

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