mongodb增删改查

insert

insert

db.users.insert([{"name":"张三","age":18,"status":1},{"name":"李四","age":20,"status":0}]);

insertOne

db.users.insertOne({"name":"王五","age":22,"status":1});

insertMany

db.users.insertMany([{"name":"李六","age":24,"status":1},{"name":"陈真","age":27,"status":1}]);

find

db.users.findOne({});

查全部

db.schools.find({});

in查询

db.users.find({"age":{$in:[18,20]}});

and查询

db.users.find({"age":22,"status":1});

or查询

db.users.find({$or:[{"name":"李四"},{"age":27}]});

and,or

db.users.find({"status":1,$or:[{"name":"王五"},{"age":27}]});

update

updateOne

db.users.updateOne({"name":"张三"},{$set:{"age":20}});

updateMany

db.users.updateMany({"age":20},{$set:{"age":25},$currentDate:{lastModified:true}});

update

db.users.update({"status":1},{$set:{"age":21}},{multi:true});

delete

deleteOne

db.users.deleteOne({"name":"陈真"});

deleteMany

db.users.deleteMany({"name":{$in:["王五","张三"]}});

remove

db.users.remove({"status":1},{justOne:true});

db.users.remove({"status":1});