Ecplise通过Java连接MongoDB数据库

 1 package test;
 2 
 3 import org.bson.Document;
 4 
 5 import com.mongodb.MongoClient;
 6 import com.mongodb.MongoClientOptions;
 7 import com.mongodb.ServerAddress;
 8 import com.mongodb.client.FindIterable;
 9 import com.mongodb.client.MongoCollection;
10 import com.mongodb.client.MongoDatabase;
11 
12 public class MongoDB {
13     public static void main(String[] args) {
14         MongoClientOptions option = MongoClientOptions.builder().connectTimeout(60000).build();
15         MongoClient monGoClient = new MongoClient(new ServerAddress("localhost", 27017), option);
16         // 获取操作数据库
17         MongoDatabase db = monGoClient.getDatabase("first_mongoDb");
18         // 获取集合。后面的操作，大部分都是基于集合操作
19         MongoCollection<Document> contections = db.getCollection("first");
20         System.out.println("MongoDB数据库连接成功");
21         // 查询集合中的所有数据
22         FindIterable<Document> result = contections.find();
23         for (Document document : result) {
24             System.out.println(document);
25         }
26     }
27 }