python菜鸟学习 ： 16 pymongo和openpyxl的联合使用

# -*- coding: utf-8 -*-

import pymongo, openpyxl, time
# pymongo

#条件删选mongodb数据
def mongodb_expoter(db_name, col_name, **kwargs):
    mongodb_string = "mongodb://192.168.126.128:27018"
    mycenlit = pymongo.MongoClient(mongodb_string)
    mydb = mycenlit[db_name]
    mycol = mydb[col_name]
    mycenlit.close()
    # 将**kwargs转化成字典传入筛选条件中
    data01 = mycol.find(dict(**kwargs))
    mycenlit.close()
    return data01

#将数据导出到excel中
def writeExcel(db_name, col_name, **kwargs):
    nowtime = time.strftime('%Y%m%d%H%M%S')
    mydata = mongodb_expoter(db_name, col_name, **kwargs)
    webook = openpyxl.Workbook()
    webook.create_sheet(col_name)
    row1 = 1
    for i in mydata:
        col1 = 1
        for key, value in dict(i).items():
            webook[col_name].cell(row1, col1, str(key) + ":" + str(value))
            col1 += 1
        row1 += 1
    webook.save("{col_name}_{time}.xlsx".format(time=nowtime, col_name=col_name))