python从数据库导出电子表格

from sqlalchemy import create_engine
import pandas as pd
# 创建数据库连接
engine = create_engine('mysql://root:123456@192.168.0.21/testdb')
# 读取mysql数据
db = pd.read_sql(sql='select * from testdb.t1', con=engine)
# 导出数据到excel
db.to_excel('testExportData.xlsx')

mysql的连接字符串：

mysql://用户:密码@192.168.0.21/testdb

安装依赖项目

pip install sqlalchemy

pip install pandas

pip install mysqlclient

Collecting mysqlclient
  Downloading mysqlclient-2.1.1-cp310-cp310-win_amd64.whl (178 kB)
     |████████████████████████████████| 178 kB 15 kB/s
Installing collected packages: mysqlclient
Successfully installed mysqlclient-2.1.1
WARNING: You are using pip version 21.1.2; however, version 22.2.1 is available.

pip install openpyxl

Collecting openpyxl
  Downloading openpyxl-3.0.10-py2.py3-none-any.whl (242 kB)
     |████████████████████████████████| 242 kB 94 kB/s
Collecting et-xmlfile
  Downloading et_xmlfile-1.1.0-py3-none-any.whl (4.7 kB)
Installing collected packages: et-xmlfile, openpyxl
Successfully installed et-xmlfile-1.1.0 openpyxl-3.0.10
WARNING: You are using pip version 21.1.2; however, version 22.2.1 is available