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java-mongodb查詢語句

List<Document> list = new ArrayList<Document>();
list.add(new Document("name","張三"));
list.add(new Document("age",24));
FindIterable<Document> iter1 = doc.find(new Document("$or", list));
// FindIterable<Document> iter1 = doc.find(Filters.and(Filters.eq("name", "張三"),Filters.lt("age", 30)));
iter1.forEach(new Block<Document>() {
  public void apply(Document _doc) {
    System.out.println(_doc.toJson());
  }
});