首页 > 数据库技术 > 详细

Mongodb中在已有Colloection插入/更新相关域值

时间:2015-07-27 20:30:27      阅读:281      评论:0      收藏:0      [点我收藏+]

[{
"confident" : "no",
"score" : 0.327355,
"label" : "/business and industrial"
}, {
"confident" : "no",
"score" : 0.207099,
"label" : "/automotive and vehicles/certified pre-owned"
}, {
"confident" : "no",
"score" : 0.128601,
"label" : "/technology and computing/internet technology/social network"
}]

 

Java Code:

  BasicDBList dblist = new BasicDBList();

  // 追加的方式

  dblist.add(new BasicDBObject("label", topic.getField("categoryName")).append("score", topic.getField("score")));

  updatedValue.put("calais", dblist);

  DBObject updateSetValue = new BasicDBObject("$set", updatedValue);

  insertdbCollection.update(updateCondition, updateSetValue);

Mongodb中在已有Colloection插入/更新相关域值

原文:http://www.cnblogs.com/Gingber/p/4680963.html

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!