mongodb5文档操作1-插入数据

mongodb插入文档数据

1.insert插入单条数据

info = {

"name": "teacher01",

"num": 01,

"age": 33,

"sex": "man",

"phone": 18782940194,

"address": "成都龙泉"

}

db.teacher.insert(info)

2. insert插入多条数据

info1 = {

"_id":10,

"name": "teacher10",

"num": 10,

"age": 18,

"sex": "mn",

"phone": 18782940195,

"address": "成都10"

}

info2 = {

"_id":11,

"name": "teacher11",

"num": 11,

"age": 18,

"sex": "mn",

"phone": 18782940195,

"address": "成都11"

}

info3 = {

"_id":12,

"name": "teacher12",

"num": 12,

"age": 18,

"sex": "mn",

"phone": 18782940195,

"address": "成都12"

}

db.teacher.insert([info1,info2,info3])

3.插入数据并指定_id

info = {

"_id":3,

"name": "teacher03",

"num": 03,

"age": 18,

"sex": "woman",

"phone": 18782940195,

"address": "成都龙泉"

}

db.teacher.insert(info)

4.使用save插入数据

使用save时：

如果_id已经存在，则更新已有_id的数据；

如果_id不存在或者不指定_id则为新增数据