+++++++ 20160404 begin+++++++
maven环境:
<dependency> <groupId>org.mongodb</groupId> <artifactId>mongodb-driver</artifactId> <version>3.2.2</version> </dependency>
+++++++ 20160404 end+++++++
import java.util.ArrayList; import java.util.List; import org.bson.Document; import com.mongodb.MongoClient; import com.mongodb.MongoCredential; import com.mongodb.ServerAddress; import com.mongodb.client.MongoCollection; import com.mongodb.client.MongoDatabase; import com.mongodb.client.model.Filters; public class TestMongo { public static void main(String[] args) { MongoClient client = null; ServerAddress serverAddress = new ServerAddress("115.28.246.12", 27017); List<ServerAddress> seeds = new ArrayList<ServerAddress>(); seeds.add(serverAddress); MongoCredential credentials = MongoCredential .createScramSha1Credential("admin", "admin", "abc123,admin".toCharArray()); List<MongoCredential> credentialsList = new ArrayList<MongoCredential>(); credentialsList.add(credentials); client = new MongoClient(seeds, credentialsList); //获取db(如果存在db,则获取,如果不存在,则创建,但是必须在创建集合后,db才真正创建) MongoDatabase myTestDB = client.getDatabase("myTest"); //创建集合 myTestDB.createCollection("test"); //定义文档(两层结构组成) Document doc = new Document("name", "MongoDB") .append("type", "database") .append("count", 1) .append("info", new Document("x", 203).append("y", 102)); //插入文档数据 myTestDB.getCollection("test").insertOne(doc); //获取集合 MongoCollection<Document> testCollection=myTestDB.getCollection("test"); //获取结合中的所有文档 List<Document> testDocs = testCollection.find().into(new ArrayList<Document>()); System.out.println(testDocs); //更新集合中count为1的文档,count设置为2 testCollection.updateMany(Filters.eq("count", 1), new Document("$set",new Document("count",2))); testDocs = testCollection.find().into(new ArrayList<Document>()); System.out.println(testDocs); //删除count为2的所有文档 testCollection.deleteMany(Filters.eq("count", 2)); testDocs = testCollection.find().into(new ArrayList<Document>()); System.out.println(testDocs); } }
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