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这期内容当中小编将会给大家带来有关怎样利用python实现MySQL数据库向sqlserver的同步,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。
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话不多说,直接上代码。
#!/usr/bin/python # -*- coding:utf8 -*- # author: chenzhixin """ 一、安装环境: python3 pip install pymysql pip install pymssql 二、实现功能: 将mysql的oa_2016.formmain_5027(手机打卡记录)数据,增量同步到sqlserver数据库的kaoqin.CHECKINOUT中 三、运行方法: a)定时任务 [root@oadb1 shell]# crontab -l * * * * * python -W ignore /usr/local/shell/sync_mobile_kaoqin.py >> /var/log/sync_mobile_kaoqin.log 2>&1 b) 日志位置 tail -f /var/log/sync_mobile_kaoqin.log 四、测试sql: mysql执行 select * from oa_2016.formmain_5027 sqlserver上执行 select * from CHECKINOUT where sn='手机端打卡' """ from contextlib import contextmanager import pymysql as mysqldb import pymssql as mssqldb import time @contextmanager def get_mysql_conn(**kwargs): """ 建立MySQL数据库连接 :param kwargs: :return: """ conn = mysqldb.connect(host=kwargs.get('host', 'localhost'), user=kwargs.get('user'), password=kwargs.get('password'), port=kwargs.get('port', 3306), database=kwargs.get('database') ) try: yield conn finally: if conn: conn.close() @contextmanager def get_mssql_conn(**kwargs): """ 建立sqlserver数据库连接 :param kwargs: :return: """ conn = mssqldb.connect(server=kwargs.get('host'), user=kwargs.get('user'), password=kwargs.get('password'), database=kwargs.get('database') ) try: yield conn finally: if conn: conn.close def execute_mysql_select_sql(conn, sql): """ 执行mysql的select类型语句 :param conn: :param sql: :return: """ with conn as cur: cur.execute(sql) rows = cur.fetchall() return rows def execute_mysql_sql(conn, sql): """ 执行mysql的dml和ddl语句,不包括select语句 :param conn: :param sql: :return: """ with conn as cur: cur.execute(sql) def execute_mssql_sql(conn, sql): """ 执行sqlserver的dml和ddl语句,不包含select语句 :param conn: :param sql: :return: """ with conn.cursor() as cur: cur.execute(sql) conn.commit() def get_mysql_kaoqin_data(conn): """ 获取mysql的考勤数据 :param conn: :return: """ sql = "select * from formmain_5027 where field0008 is null or field0008=''" mysql_kaoqin_data_rows = execute_mysql_select_sql(conn, sql) return mysql_kaoqin_data_rows def mysql_sync_to_sqlserver(mysql_conn, mssql_conn, data): """ 把mysql的考勤数据同步到sqlserver数据库里面 :param mysql_conn: :param mssql_conn: :param data: :return: """ for index, row in enumerate(data, 1): ID=row[0] state=row[1] start_member_id=row[2] start_date=row[3] approve_member_id=row[4] approve_date=row[5] finishedflag=row[6] ratifyflag=row[7] ratify_member_id=row[8] ratify_date=row[9] sort=row[10] modify_member_id=row[11] modify_date=row[12] field0001=row[13] field0002=row[14] field0003=row[15] field0004=row[16] field0005=row[17] field0006=row[18] field0007=row[19] field0008=row[20] field0009=row[21] #向sqlserver插入数据 insert_data = """ INSERT INTO [kaoqin].[dbo].[CHECKINOUT] ([USERID] ,[CHECKTIME] ,[CHECKTYPE] ,[VERIFYCODE] ,[SENSORID] ,[Memoinfo] ,[WorkCode] ,[sn] ,[UserExtFmt] ,[Synced]) VALUES ((select userid from USERINFO where BADGENUMBER='{userid}'), '{CHECKTIME}', 'I', 1, 1, NULL, 0, '手机端打卡', 0, null )""".format(userid=field0002, CHECKTIME=start_date) execute_mssql_sql(mssql_conn, insert_data) print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())) print('###############第{}条手机打卡记录###############\n'.format(index), insert_data) marked_sql = "update formmain_5027 set field0008='synced' where id={}".format(ID) execute_mysql_sql(mysql_conn, marked_sql) def main(): mysql_conn_args = dict(user='root', host='127.0.0.1', password='*******', database='oa_2016') mssql_conn_args = dict(host='172.x.x.x', user='sa', password='********', database='kaoqin') with get_mysql_conn(**mysql_conn_args) as mysql_conn: mysql_data = get_mysql_kaoqin_data(mysql_conn) with get_mssql_conn(**mssql_conn_args) as mssql_conn: mysql_sync_to_sqlserver(mysql_conn, mssql_conn, mysql_data) if __name__ == '__main__': main()
定时任务:
[root@oadb1 shell]# crontab -l #定时同步手机考勤给sqlserver * * * * * python -W ignore /usr/local/shell/sync_mobile_kaoqin.py >> /var/log/sync_mobile_kaoqin.log 2>&1
日志:
[root@oadb1 shell]# tail -100f /var/log/sync_mobile_kaoqin.log 2019-10-20 09:04:01 ###############第1条手机打卡记录############### INSERT INTO [kaoqin].[dbo].[CHECKINOUT] ([USERID] ,[CHECKTIME] ,[CHECKTYPE] ,[VERIFYCODE] ,[SENSORID] ,[Memoinfo] ,[WorkCode] ,[sn] ,[UserExtFmt] ,[Synced]) VALUES ((select userid from USERINFO where BADGENUMBER='1234'), '2019-10-19 14:50:25', 'I', 1, 1, NULL, 0, '手机端打卡', 0, null )
上述就是小编为大家分享的怎样利用python实现mysql数据库向sqlserver的同步了,如果刚好有类似的疑惑,不妨参照上述分析进行理解。如果想知道更多相关知识,欢迎关注创新互联行业资讯频道。