void initMongodb() {Mongo mongo;try {trace("\n++++++++++++++++++++++initMongodb++++++++++++++++++++++++\n");mongo = new Mongo("localhost", 10011);DB db = mongo.getDB("yourdb");// 从Mongodb中获得名为yourColleection的数据集合，如果该数据集合不存在，Mongodb会为其新建立
DBCollection collection = db.getCollection("yourCollection");// 控制操作交给// collection// 插入方式一BasicDBObject document = new BasicDBObject();document.put("id", 1001);document.put("msg", "hello world mongoDB in Java");collection.insert(document);/** //插入方式二 BasicDBObjectBuilder documentBuilder =* BasicDBObjectBuilder.start() .add("database", "mkyongDB")* .add("table", "hosting"); BasicDBObjectBuilder* documentBuilderDetail = BasicDBObjectBuilder.start()* .add("records", "99") .add("index", "vps_index1") .add("active",* "true"); documentBuilder.add("detail",* documentBuilderDetail.get());* collection.insert(documentBuilder.get());* * //插入方式三* * Map documentMap =new HashMap(); documentMap.put("database",* "mkyongDB"); documentMap.put("table", "hosting");* * Map documentMapDetail =new HashMap();* * documentMapDetail.put("records", "99");* documentMapDetail.put("index", "vps_index1");* documentMapDetail.put("active", "true");* documentMap.put("detail", documentMapDetail);* * collection.insert(new BasicDBObject(documentMap));* * //插入方式四* * String json ="{'database' : 'mkyongDB','table' : 'hosting',"+* "'detail' : {'records' : 99, 'index' : 'vps_index1', 'active' : 'true'}}}"* ; DBObject dbObject =(DBObject)JSON.parse(json);* collection.insert(dbObject);*/// 创建要查询的documentBasicDBObject searchQuery = new BasicDBObject();searchQuery.put("id", 1001);DBCursor cursor = collection.find(searchQuery);while (cursor.hasNext()) {trace(cursor.next());}// 获取数据库所有表Set<String> collections = db.getCollectionNames();for (String collectionName : collections) {System.out.println(collectionName);}mongo.close();} catch (UnknownHostException e) {e.printStackTrace();} catch (MongoException e) {e.printStackTrace();}}