python中导出数据到execl

# 1、写一个函数，随便输入一个表名，把这个表里面所有的数据，导出到excel里面

# 1、‘select * from %s‘ ,查出这个表所有的数据# 2、再把所有的数据写到excel  xlwt

import pymysql, hashlib, xlwt

def op_mysql(sql: str):    mysql_info = {        ‘host‘: ‘***.24.3.40‘,        ‘port‘: 3306,        ‘password‘: ‘****‘,        ‘user‘: ‘jxz‘,        ‘db‘: ‘jxz‘,        ‘charset‘: ‘utf8‘,        ‘autocommit‘: True    }    result = ‘执行完成‘    conn = pymysql.connect(**mysql_info)    # cur = conn.cursor(pymysql.cursors.DictCursor) #建立游标    cur = conn.cursor()  # 建立游标    cur.execute(sql)    field = [t[0] for t in cur.description]  # 获取表里面的所有字段名    if sql.strip().lower().startswith(‘select‘):        # result  = cur.fetchone()        result = cur.fetchall()    cur.close()    conn.close()    print(‘所有的字段‘, field)    print(‘所有的数据‘, result)    result = list(result)  # 因为返回的是元组，不能修改，所以转成list    result.insert(0, field)  # 加入到最前面    return result

def export_excel(table_name):    sql = ‘select * from %s;‘ % table_name    result = op_mysql(sql)    book = xlwt.Workbook()    sheet = book.add_sheet(‘sheet‘)    for row, line in enumerate(result):        for col, t in enumerate(line):            sheet.write(row, col, t)    book.save(‘%s.xls‘ % table_name)

export_excel(‘CJ_test‘)export_excel(‘app_myuser‘)

import xlwt

book = xlwt.Workbook()sheet = book.add_sheet(‘sheet‘)# # sheet.write(0,0,‘xxx‘)## #nhy_user  id ,username,passwd,error_count#l = [    [1, ‘dsk‘, ‘xxdfsdfsd‘, 0],    [2, ‘ldd‘, ‘xxdfsdfsd‘, 0],    [3, ‘lsdd‘, ‘xxdfsdfsd‘, 0],    [4, ‘lsd1‘, ‘xxdfsdfsd‘, 0],]

# row = 0#行号# for line in l: #外面这个循环，每循环一次，就写excel里面一行#     # col = 0#列号   [1,‘dsk‘,‘xxdfsdfsd‘,0]#     col = 0#     for t in line:#里面这个循环是控制列的，每循环一次就写一列#         sheet.write(row,col,t)#         col+=1#     row+=1#

for row, line in enumerate(l):    for col, t in enumerate(line):        sheet.write(row, col, t)

book.save(‘user.xls‘)

原文地址：https://www.cnblogs.com/skyxiuli/p/10848364.html