环境搭建

参考链接 https://www.cnblogs.com/sowler/p/17513973.html

https://www.mongodb.com/zh-cn/docs/manual/tutorial/getting-started/?msockid=1d1e415e713463862dba5762701d623f

1	mkdir -p /data/mongo/{conf,data}

docker run -d --name mongodb \
  -p 27017:27017 \
  -v /data/mongo/data:/data/db \
  -v /data/mongo/conf:/data/configdb \
  -e MONGO_INITDB_ROOT_USERNAME=root \
  -e MONGO_INITDB_ROOT_PASSWORD=root \
  mongo:8.2.2 \
  --bind_ip 0.0.0.0 \
  --auth

Navicat连接时，编辑URI关闭TLS

1	mongodb://root@kali:27017/?ssl=false&authSource=admin

MongoDB Shell连接命令

1	mongosh.exe mongodb://root@kali:27017/?authSource=admin

常见命令

数据库

show dbs
show databases
// 数据库不存在自动创建
use test
db
db.dropDatabase()

集合

show collections
show tables
db.createCollection("my-collection1")
db["my-collection1"].drop()
db.createCollection("mycollection1")
db.mycollection1.drop()

文档

新增集合中的文档

插入一条

db.sec1.insertOne(
    {
        "articleid": "100000",
        "content": "今天天气真好，阳光明媚",
        "userid": "1001",
        "nickname": "Rose",
        "createdatetime": new Date(),
        "likenum": NumberInt(10),
        "state": null
    }
)

插入多条

db.sec1.insertMany([
    {
        "_id": "1",
        "articleid": "100001",
        "content": "我们不应该把清晨浪费在手机上，健康很重要，一杯温水幸福你我他。",
        "userid": "1002",
        "nickname": "相忘于江湖",
        "createdatetime": new Date("2019-08-05T22:08:15.522Z"),
        "likenum": NumberInt(1000),
        "state": "1"
    },
    {
        "_id": "2",
        "articleid": "100001",
        "content": "我夏天空腹喝凉开水，冬天喝温开水",
        "userid": "1005",
        "nickname": "伊人憔悴",
        "createdatetime": new Date("2019-08-05T23:58:51.485Z"),
        "likenum": NumberInt(888),
        "state": "1"
    },
    {
        "_id": "3",
        "articleid": "100001",
        "content": "我一直喝凉开水，冬天夏天都喝。",
        "userid": "1004",
        "nickname": "杰克船长",
        "createdatetime": new Date("2019-08-06T01:05:06.321Z"),
        "likenum": NumberInt(666),
        "state": "1"
    },
    {
        "_id": "4",
        "articleid": "100001",
        "content": "专家说不能空腹吃饭，影响健康。",
        "userid": "1003",
        "nickname": "凯撒",
        "createdatetime": new Date("2019-08-06T08:18:35.288Z"),
        "likenum": NumberInt(2000),
        "state": "1"
    },
    {
        "_id": "5",
        "articleid": "100001",
        "content": "研究表明，刚烧开的水千万不能喝，因为烫嘴。",
        "userid": "1003",
        "nickname": "凯撒",
        "createdatetime": new Date("2019-08-06T11:01:02.521Z"),
        "likenum": NumberInt(3000),
        "state": "1"
    }
])

try-catch 捕捉插入异常

try {

db.comment.insertMany([
    {"_id":"1","articleid":"100001","content":"我们不应该把清晨浪费在手机上，健康很重要，一杯温水幸福你我他。","userid":"1002","nickname":"相忘于江湖","createdatetime":new Date("2019-08-05T22:08:15.522Z"),"likenum":NumberInt(1000),"state":"1"},
    {"_id":"2","articleid":"100001","content":"我夏天空腹喝凉开水，冬天喝温开水","userid":"1005","nickname":"伊人憔悴","createdatetime":new Date("2019-08-05T23:58:51.485Z"),"likenum":NumberInt(888),"state":"1"},
    {"_id":"3","articleid":"100001","content":"我一直喝凉开水，冬天夏天都喝。","userid":"1004","nickname":"杰克船长","createdatetime":new Date("2019-08-06T01:05:06.321Z"),"likenum":NumberInt(666),"state":"1"},
    {"_id":"4","articleid":"100001","content":"专家说不能空腹吃饭，影响健康。","userid":"1003","nickname":"凯撒","createdatetime":new Date("2019-08-06T08:18:35.288Z"),"likenum":NumberInt(2000),"state":"1"},
    {"_id":"5","articleid":"100001","content":"研究表明，刚烧开的水千万不能喝，因为烫嘴。","userid":"1003","nickname":"凯撒","createdatetime":new Date("2019-08-06T11:01:02.521Z"),"likenum":NumberInt(3000),"state":"1"}
]);

} catch (e) {
    print (e);
}

查询集合中的文档

db.sec1.find()
db.sec1.find({})
db.sec1.find({userid:'1003'})
// 第一条数据
db.sec1.findOne({userid:'1003'})
// 投影查询 只显示userid、nickname
db.sec1.find({userid:"1003"},{userid:1,nickname:1})
// 不显示_id
db.sec1.find({userid:"1003"},{userid:1,nickname:1,_id:0})
// 查询所有，只显示_id、userid、nickname
db.sec1.find({},{userid:1,nickname:1})

更新集合中的文档

MongoDB 8.2.2：MongoInvalidArgumentError: Update document requires atomic operators
update必须使用原子操作符修饰(如$set)

// 覆盖修改
db.sec1.replaceOne({_id:"1"},{likenum:NumberInt(1001)})
// 局部修改
db.sec1.update({_id:"2"},{$set:{likenum:NumberInt(889)}})
//默认只修改第一条数据
db.sec1.update({userid:"1003"},{$set:{nickname:"凯撒2"}})
//修改所有符合条件的数据
db.sec1.update({userid:"1003"},{$set:{nickname:"凯撒大帝"}},{multi:true})
// 增加某列的值
db.sec1.update({_id:"3"},{$inc:{likenum:NumberInt(1)}})

删除集合中的文档

// 无条件全部删除
db.sec1.remove({})
// 删除_id=1的记录
db.sec1.remove({_id:"1"})

DeprecationWarning: Collection.remove() is deprecated. Use deleteOne, deleteMany, findOneAndDelete, or bulkWrite.

其他命令

// 记录所有查询
db.setProfilingLevel(2)
db.getProfilingStatus()

// 查询执行的语句
db.system.profile.find().pretty();
// 清空
db.setProfilingLevel(0)
db.system.profile.drop()