Python MongoDB判断集合是否已存在_惠州计算机Python软件开发

#!/usr/bin/python3 

import pymongo 

myclient = pymongo.MongoClient('mongodb://localhost:27017/') 

mydb = myclient['runoobdb'] collist = mydb. list_collection_names()

# collist = mydb.collection_names()

if "sites" in collist:   # 判断 sites 集合是否存在

  print("集合已存在！")