MongoDB Learning (ii) Visual interface

First, the installation of Visual Interface 1, Mongobooster installation and configuration 1, download and install

: Https://nosqlbooster.com/downloads

After the download is complete, click Install directly:

Installation Complete Popup interface:

2. Click Create Link:

3. Click the test Connection Link:

4. Click Save & Connect link to the local database after testing OK:

2, write the operation statement in the Mongobooster

1. View Collections

2. Add a new piece of data

3. Modify a piece of data

4. View Documents

Ii. simple application in Java 1. Preparing the driver package

2. Get the names of all databases

1  Packagecom.mongodb.study.test;2 3 ImportCom.mongodb.Mongo;4 Importorg.junit.Test;5 6 Importjava.util.List;7 8 /**9  * @authorzt1994 2018/3/9 10:55Ten  */ One  Public classTestmongodb { A  -     /** - * Get names of all databases the      */ - @Test -      Public voidTestgetalldbname () { -         //1. Create a Mongo object +Mongo Mongo =NewMongo ("localhost", 27017); -List<string> Databasenames =mongo.getdatabasenames (); +          for(String databasename:databasenames) { ASystem.out.println ("DatabaseName:" +databaseName); at         } -     } -}

Console output:

3. Get all the collections under the specified database

1     /**2 * Gets all the collections under the specified database3      */4 @Test5      Public voidtestgetcollections () {6         //1. Create a Mongo object7Mongo Mongo =NewMongo ("localhost", 27017);8         //2. Link to the specified database9DB db = Mongo.getdb ("zt01");TenSet<string> Collectionnames =db.getcollectionnames (); One          for(String collectionname:collectionnames) { ASystem.out.println ("CollectionName:" +collectionname); -         } -}

Console output:

4. Gets the specified collection under the specified database and obtains the data

1     /**2 * Gets the specified collection under the specified database and gets the data3      */4 @Test5      Public voidtestgetonecollection () {6         //1. Create a Mongo object7Mongo Mongo =NewMongo ("localhost", 27017);8         //2. Link to the specified database9DB db = Mongo.getdb ("zt01");TenDbcollection collection = Db.getcollection ("zt01"); One         //Get Data ADbcursor dbobjects =Collection.find (); -          for(DBObject dbobject:dbobjects) { -System.out.println ("DBObject:" +dbobject.tostring ()); the         } -}

Console output:

5, add data 1, create a tool library, connect to the specified database collection

1  PackageCom.mongodb.study.util;2 3 ImportCom.mongodb.DB;4 Importcom.mongodb.DBCollection;5 ImportCom.mongodb.Mongo;6 7 /**8  * @authorzt1994 2018/3/9 11:00am9  */Ten  Public classMongodbutil { One  A     /** - * Create a link to the specified database collection -      * @return the      */ -      Public Staticdbcollection createcollection () { -         //1. Create a Mongo object -Mongo Mongo =NewMongo ("localhost", 27017); +         //2. Link to the specified database -DB db = Mongo.getdb ("zt01"); +         //3. Create a collection ADbcollection collection = Db.getcollection ("zt01"); at         returncollection; -     } -}

2. Test increase data

1     /**2 * Test Add Data3      */4 @Test5      Public voidTestadd () {6Dbcollection collection =mongodbutil.createcollection ();7         //1. Data Objects8Basicdbobject Basicdbobject =NewBasicdbobject ();9         //2. Add DataTenBasicdbobject.append ("id", "01"); OneBasicdbobject.append ("Name", "New data"); A         //3. Inserting into the collection - Collection.insert (basicdbobject); -         //4. View Collections theDbcursor dbobjects =Collection.find (); -          for(DBObject dbobject:dbobjects) { -System.out.println ("DBObject:" +dbobject.tostring ()); -         } +}

Console output:

6. Delete data

1     /**2 * Delete Data3      */4 @Test5      Public voidTestdelete () {6Dbcollection collection =mongodbutil.createcollection ();7         //1. Data Objects8Basicdbobject Basicdbobject =NewBasicdbobject ();9         //2. Specify the data to deleteTenBasicdbobject.append ("id", "01"); One         //3. Delete Data A Collection.remove (basicdbobject); -         //4. View Collections -Dbcursor dbobjects =Collection.find (); the          for(DBObject dbobject:dbobjects) { -System.out.println ("DBObject:" +dbobject.tostring ()); -         } -}

Console output:

You can see that the "id": "01" of the data has been deleted.

7. Update the modified data

1     /**2 * Update Data3      */4 @Test5      Public voidtestupdate () {6Dbcollection collection =mongodbutil.createcollection ();7         //1. Data Objects8Basicdbobject Basicdbobject =NewBasicdbobject ();9         //2. Specify the data you want to modifyTenBasicdbobject.append ("name", "Mike"); One         //3. Specify the data to be modified ABasicdbobject updateobj =NewBasicdbobject (); -Updateobj.append ("Nameupdate", "Test Modify name"); -         //4. Updating Data the collection.update (Basicdbobject, updateobj); -         //5. View Collections -Dbcursor dbobjects =Collection.find (); -          for(DBObject dbobject:dbobjects) { +System.out.println ("DBObject:" +dbobject.tostring ()); -         } +}

Console output:

You can see that the data has been modified.

8. View specified data

1     /**2 * Query specified data3      */4 @Test5      Public voidTestquery () {6Dbcollection collection =mongodbutil.createcollection ();7         //1. Data Objects8Basicdbobject Basicdbobject =NewBasicdbobject ();9         //2. Specify the fields that the data you want to query containsTenBasicdbobject.append ("title", "MongoDB"); One         //3. Querying Data ADbcursor dbobjects =Collection.find (basicdbobject); -          for(DBObject dbobject:dbobjects) { -System.out.println ("DBObject:" +dbobject.tostring ()); the         } -}

Console output:

MongoDB Learning (ii) Visual interface