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# pip install pymongo==3.12.0
from pymongo import MongoClient
data = [
{
# "_id": "8",
"articleid": "100001",
"content": "吃饭千万不能吃多了,因为会饱",
"userid": "1008",
"nickname": "天涯若比邻",
"age": "21",
"phone": "135846240285",
"createdatetime": "new Date()",
"likenum": "666",
"state": "1",
},
{
# "_id": "9",
"articleid": "100001",
"content": "吃饭前,先喝杯水或一碗汤,可减少饭量,对控制体重有帮助",
"userid": "1008",
"nickname": "玛丽莲·梦露",
"age": "18",
"phone": "13937165554",
"createdatetime": "new Date()",
"likenum": "8888",
"state": "null",
}
]
class Test:
# 创建类的狗仔函数或初始化方法,其中包含一个参数self,表示类的示例,self在定义类的方法时是必须要有的,在带哦用时可以不传入相应参数
def __init__(self):
# 获取数据库的连接
# self.client = MongoClient('127.0.0.1', 27017)#本地数据库
self.client = MongoClient("mongodb://root:37ck2020@iot.37ck.cn:27017")#远程数据库
self.dbname = "37ck0604"
print(self.client)
dbs = self.client.list_database_names()
for db in dbs:
print("数据库列表:" + db)
def getDBs(self):
dbs = self.client.list_database_names()
for db in dbs:
print(db)
def getColl(self):
articledb = self.client["articledb"]
collections = articledb.list_collection_names()
for collection in collections:
print(collection)
def createColl(self):
articledb = self.client["articledb"]
articledb.create_collection("itcast")
def dropColl(self):
articledb = self.client["articledb"]
articledb.drop_collection("itcast")
def findDoc(self):
self.articledb = self.client["articledb"]
comment = self.articledb["comment"]
documents = comment.find()
for document in documents:
print(document)
def insertOneDoc(self):
self.articledb = self.client["articledb"]
comment = self.articledb["comment"]
newDoc = {
# "_id": "7",
"articleid": "100001",
"content": "脱水会使人精疲力竭,而喝水可以使人精神饱满",
"userid": "1007",
"nickname": "咫尺天涯间",
"age": "25",
"phone": "13937165554",
"createdatetime": "new Date()",
"likenum": "999",
"state": "1",
}
comment.insert_one(newDoc)
def find(self,col):
self.articledb = self.client[self.dbname]
comment = self.articledb[col]
documents = comment.find()
for document in documents:
print(document)
def insert(self,col):
self.articledb = self.client[self.dbname]
comment = self.articledb[col]
re = comment.insert_many(data)
print(re)
def insertManyDoc(self):
self.articledb = self.client["articledb"]
comment = self.articledb["comment"]
newDocs = [
{
# "_id": "8",
"articleid": "100001",
"content": "吃饭千万不能吃多了,因为会饱",
"userid": "1008",
"nickname": "天涯若比邻",
"age": "21",
"phone": "135846240285",
"createdatetime": "new Date()",
"likenum": "666",
"state": "1",
},
{
# "_id": "9",
"articleid": "100001",
"content": "吃饭前,先喝杯水或一碗汤,可减少饭量,对控制体重有帮助",
"userid": "1008",
"nickname": "玛丽莲·梦露",
"age": "18",
"phone": "13937165554",
"createdatetime": "new Date()",
"likenum": "8888",
"state": "null",
}
]
re = comment.insert_many(newDocs)
print(re)
def updateDoc(self):
self.articledb = self.client["articledb"]
comment = self.articledb["comment"]
comment.update_one({"content": "脱水会使人精疲力竭,而喝水可以使人精神饱满"},
{"$set": {"content": "吃饭前,先喝杯水或一碗汤,可减少饭量,对控制体重有明显的帮助"}})
def deleteDoc(self):
self.articledb = self.articledb = self.client["articledb"]
comment = self.articledb["comment"]
comment.delete_one({"nickname": "咫尺天涯间"})
# 主程序入口
if __name__ == '__main__':
# 创建类的实例对象
test = Test()
test.insert("user")
test.find("user")
# test.getDBs()
# test.createColl()
# test.dropColl()
# test.getColl()
# test.insertOneDoc()
# test.insertManyDoc()
# test.updateDoc()
# test.deleteDoc()
# test.findDoc()
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