使用Java操作MongoDB - Delete

Delete

Mongo mg = new Mongo("localhost", 27017);
// get db
db = mg.getDB("CRUD");
// get collection
dc = db.getCollection("test");

//Delete
DBObject doc = dc.findOne();
WriteResult result = dc.remove(doc);
System.out.println("Number of documents are deleted : " + result.getN());

// delete
WriteResult wr = dc.remove(new BasicDBObject("name", "tom"));
System.out.println(wr.getN());