1、查詢java
//1.不等於 DBObject notQuery = new BasicDBObject().append(QueryOperators.NE, "詞賦曲令"); DBObject query = new BasicDBObject().append("type",notQuery); //2.或者 BasicDBObject queryCondition = new BasicDBObject(); BasicDBList values = new BasicDBList(); values.add(new BasicDBObject("status", "1")); values.add(new BasicDBObject("status", "2")); queryCondition.put("md5", MD5Util.encode(countryUrl)); queryCondition.put("$or", values); if(countryMd5Collection.count(queryCondition)>0){ continue; }