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下面是我的示例 json 对象，我有不同的 ID，我想获得特定的国家 ID。用户将传递 id 和国家键作为请求，然后国家/地区我还有其他列表以及用户将作为属性传递（列表用户除外）

Criteria criteria = new Criteria().andOperator(
Criteria.where("Id").is(Id).and(attribute).is(attribute));
Query searchUserQuery = new Query(criteria);

// to print the mongodb query for debug purposes
System.out.println(criteria.getCriteriaObject());
Query searchUserQuery = new Query(criteria);
Info result =mongoTemplate .findOne(searchUserQuery, Info.class,COLLECTION);

来自数据库的 Json 格式

{
  "Id": "691021",
  "Type": "PR",
  "countries": [{
    "country": "AUS",
    "isoCode": "124",
    "startDate": "2015-08-17T12:30:44.789-4:00",
    "endDate": "2015-08-17T12:30:44.789-4:00"
  }, {
    "country": "US",
    "isoCode": "456",
    "startDate": "2015-11-11T12:30:44.789-4:00",
    "endDate": "2017-08-17T12:30:44.789-4:00"
  }]
}

我尝试使用像我的 mongodb 查询生成的 { "$and" : [ { "Id" : "691021"} , { "countries" : { "$regex" : "countries"}}]}

我除了下面的输出

"countries": [{
  "country": "AUS",
  "isoCode": "124",
  "startDate": "2015-08-17T12:30:44.789-4:00",
  "endDate": "2015-08-17T12:30:44.789-4:00"
}, {
  "country": "US",
  "isoCode": "456",
  "startDate": "2015-11-11T12:30:44.789-4:00",
  "endDate": "2017-08-17T12:30:44.789-4:00"
}]
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