/**
	 * 測試MongoDB連線
	 */
	private static void testMongoDBConn() {
		MongoClient client = null;
		try {
			// 使用者名稱 資料庫 密碼
			MongoCredential credential = MongoCredential.createCredential("guoxin01", "guoxin", "123456".toCharArray());
			//IP port
			ServerAddress addr = new ServerAddress("192.168.1.137", 27017);
			client = new MongoClient(addr,Arrays.asList(credential));
			//得到資料庫
			MongoDatabase mdb = client.getDatabase("guoxin");
			//得到Table
			MongoCollection<?> table = mdb.getCollection("blog");
			//查詢所有
			FindIterable<?> fi = table.find();
			//遍歷結果
			for (Object o : fi) {
				System.out.println(o);
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			if (client != null) {
				client.close();
			}
		}
	}