1 db.url.find({index:4,status:0,url:{$regex:"2016"}}).limit(1) java代碼主要用到DBObject 1 2 3 4 5 6 7 8 BasicDBObject doc5 =newBasicDBObject(); doc5.put("index",3); doc5.put("status",0); //doc5.put("url", "{$regex:'2016'}");錯(cuò)誤的寫法 BasicDBObject doc3 =new...
www.dbjr.com.cn/article/1243...htm 2025-5-27