文档操作Word格式.docx

文档操作Word格式.docx

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JS"

"

C++"

EXTJS"

MONGODB"

],

address:

{city:

beijing"

street:

861ParkStreet"

}

},

{

tom"

null,

214557457@"

75,m:

66,e:

97,

PHP"

JAVA"

province:

hebei"

lili"

344521457@"

63,e:

C#"

]

zhangsan"

27,

2145567457@"

86,e:

67,

China"

lisi"

26,

274521457@"

53,m:

83,

wangwu"

65621457@"

45,m:

65,e:

99,

zhaoliu"

214521457@"

99,m:

piaoyingjun"

piaoyingjun@"

39,m:

54,e:

53,

Korea"

lizhenxian"

lizhenxian@"

35,m:

56,e:

47,

lixiaoli"

21,

lixiaoli@"

36,m:

32,

Limiao"

zhangsuying"

22,

zhangsuying@"

77,

}]

先执行

db.studend.find（）

若存在测删除student

db.student.drop（）

再执行插入

db.student.insert（persons）

>

BulkWriteResult（{

"

writeErrors"

:

[],

writeConcernErrors"

nInserted"

12,

nUpserted"

0,

nMatched"

nModified"

nRemoved"

upserted"

[]

}）

然后查询所有student记录

db.student.find（）

{"

_id"

ObjectId（"

57554f9cf7b6c25c4d573c73"

）,"

name"

"

age"

25,"

email"

c"

89,"

m"

96,"

e"

87,"

country"

books"

["

],"

address"

{"

city"

street"

}}

57554f9cf7b6c25c4d573c74"

null,"

75,"

66,"

97,"

province"

57554f9cf7b6c25c4d573c75"

63,"

]}

57554f9cf7b6c25c4d573c76"

27,"

86,"

67,"

57554f9cf7b6c25c4d573c77"

26,"

53,"

83,"

57554f9cf7b6c25c4d573c78"

45,"

65,"

99,"

57554f9cf7b6c25c4d573c79"

57554f9cf7b6c25c4d573c7a"

39,"

54,"

57554f9cf7b6c25c4d573c7b"

35,"

56,"

47,"

57554f9cf7b6c25c4d573c7c"

21,"

36,"

32,"

57554f9cf7b6c25c4d573c7d"

57554f9cf7b6c25c4d573c7e"

22,"

77,"

也可以使用这个命令

db.student.find（{}）

2.查询所有学生的姓名

db.student.find（{},{_id:

0,name:

1}）

}

3.查询出年龄在25到27岁之间的学生

db.student.find（{age:

{$gte:

25,$lte:

27}}）

下面这种方式更直观

db.student.find（{age:

27}},{_id:

1,age:

25}

27}

26}

4.查询出所有不是韩国籍的学生

db.student.find（{country:

{$ne:

}},{_id:

1,country:

5.查询国籍是中国或美国的学生信息

db.student.find（{country:

{$in:

]}}）

6.查询国籍不是中国或美国的学生信息

{$nin:

K