Java操作Mongo
// 創建連接
MongoClient mongoClient = new MongoClient(Arrays.asList(new ServerAddress("localhost", 27017),
new ServerAddress("localhost", 27018),
new ServerAddress("localhost", 27019)));
//使用mydb數據庫
DB db = mongoClient.getDB( "mydb" );
//獲取所有Collection
Set<String> colls = db.getCollectionNames();
for (String s : colls) {
System.out.println(s);
}
//獲取特定Collection
DBCollection coll = db.getCollection("testCollection");
//寫入一個Document
BasicDBObject doc = new BasicDBObject("name", "MongoDB")
.append("type", "database")
.append("count", 1)
.append("info", new BasicDBObject("x", 203).append("y", 102));
coll.insert(doc);
//查詢一個Collection中第一個Document
DBObject myDoc = coll.findOne();
System.out.println(myDoc);
//查詢Collection中所有Documents
DBCursor cursor = coll.find();
try {
while(cursor.hasNext()) {
System.out.println(cursor.next());
}
} finally {
cursor.close();
}
Reference
http://docs.mongodb.org/ecosystem/tutorial/getting-started-with-java-driver/#getting-started-with-java-driver