一、全库备份恢复

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#mongodump -d my_mongodb -o my_mongodb_dump

#mongorestore -d my_mongodb my_mongodb_dump/*

二、JSON Collection备份恢复

$ mongoexport -d test -c book -o book.json

connected to: 10.77.20.xx

exported 2 records

$ mongoimport -d test -c book book.json

connected to: 10.77.20.xx

imported 2 objects

三、CSV Collection数据导出导入

# more students.txt

{ "classid" : 1, "age" : 20, "name" : "kobe" }

{ "classid" : 1, "age" : 23, "name" : "nash" }

{ "classid" : 2, "age" : 18, "name" : "james" }

{ "classid" : 2, "age" : 19, "name" : "wade" }

{ "classid" : 2, "age" : 19, "name" : "bosh" }

{ "classid" : 2, "age" : 25, "name" : "allen" }

{ "classid" : 1, "age" : 19, "name" : "howard" }

{ "classid" : 1, "age" : 22, "name" : "paul" }

{ "classid" : 2, "age" : 24, "name" : "shane" }

#

1.导入数据

# mongoimport -d test -c students students.txt

connected to: 127.0.0.1

Tue Apr 22 16:02:32 imported 9 objects

> db.students.find()db.students.find()

{ "_id" : ObjectId("53562218bc98e02b24984175"), "classid" : 1, "age" : 20, "name" : "kobe" }

{ "_id" : ObjectId("53562218bc98e02b24984176"), "classid" : 1, "age" : 23, "name" : "nash" }

{ "_id" : ObjectId("53562218bc98e02b24984177"), "classid" : 2, "age" : 18, "name" : "james" }

{ "_id" : ObjectId("53562218bc98e02b24984178"), "classid" : 2, "age" : 19, "name" : "wade" }

{ "_id" : ObjectId("53562218bc98e02b24984179"), "classid" : 2, "age" : 19, "name" : "bosh" }

{ "_id" : ObjectId("53562218bc98e02b2498417a"), "classid" : 2, "age" : 25, "name" : "allen" }

{ "_id" : ObjectId("53562218bc98e02b2498417b"), "classid" : 1, "age" : 19, "name" : "howard" }

{ "_id" : ObjectId("53562218bc98e02b2498417c"), "classid" : 1, "age" : 22, "name" : "paul" }

{ "_id" : ObjectId("53562218bc98e02b2498417d"), "classid" : 2, "age" : 24, "name" : "shane" }

>

2.导出CSV

# mongoexport -d test -c students --csv -f classid,name,age -o students_csv.dat

connected to: 127.0.0.1

exported 9 records

#

导出只有数据，不包括_id

参数说明：

-h:指明数据库宿主机的IP

-u:指明数据库的用户名

-p:指明数据库的密码

-d:指明数据库的名字

-c:指明collection的名字

-f:指明要导入那些列

[root@jsmartserv hbk]# more students_csv.dat

classid,name,age

1,"kobe",20

1,"nash",23

2,"james",18

2,"wade",19

2,"bosh",19

2,"allen",25

1,"howard",19

1,"paul",22

2,"shane",24

[root@jsmartserv hbk]#

3.删除数据

db.students.remove()

4.导入CSV

# mongoimport -d test -c students --type csv --headerline --file students_csv.dat

connected to: 127.0.0.1

Tue Apr 22 16:07:57 imported 9 objects

参数说明：

-type:指明要导入的文件格式

-headerline:指明第一行是列名，不需要导入

-file：指明要导入的文件

5.验证

db.students.find()db.students.find()

{ "_id" : ObjectId("5356235dbc98e02b2498417e"), "classid" : 1, "name" : "kobe", "age" : 20 }

{ "_id" : ObjectId("5356235dbc98e02b2498417f"), "classid" : 1, "name" : "nash", "age" : 23 }

{ "_id" : ObjectId("5356235dbc98e02b24984180"), "classid" : 2, "name" : "james", "age" : 18 }

{ "_id" : ObjectId("5356235dbc98e02b24984181"), "classid" : 2, "name" : "wade", "age" : 19 }

{ "_id" : ObjectId("5356235dbc98e02b24984182"), "classid" : 2, "name" : "bosh", "age" : 19 }

{ "_id" : ObjectId("5356235dbc98e02b24984183"), "classid" : 2, "name" : "allen", "age" : 25 }

{ "_id" : ObjectId("5356235dbc98e02b24984184"), "classid" : 1, "name" : "howard", "age" : 19 }

{ "_id" : ObjectId("5356235dbc98e02b24984185"), "classid" : 1, "name" : "paul", "age" : 22 }

{ "_id" : ObjectId("5356235dbc98e02b24984186"), "classid" : 2, "name" : "shane", "age" : 24 }

>

查询students集合，验证导入是否成功：

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