MongoDB Java驱动程序阵列

Question

I am trying to save a set of tags within a mongodb document eg

{
    id:"104454",
    tags:["tag1", "tag2"]
}

I am struggling to figure out how to do this with the Java Driver though. I thought I would use BasicDBList but this doesnt seem to be right.

Could someone help please?

Thanks in advance.

Answer 1

您可以使用简单数组，然后您可以执行以下操作：

doc.put("tags", array)

Answer 2

When saving arrays into MongoDB with Java, according to the online doc , you can use anything that extends List .

So, using your example, that would be something like the following:

ArrayList tags = new ArrayList();
tags.add("tag1");
tags.add("tag2");

BasicDBObject doc = new BasicDBObject(new ObjectId(), tags);