我正在用JSON创建一个索引文件，我正在使用它作为我正在开发的JavaScript应用程序的数据库索引。
我的索引看起来像这样：

{
    "_id": "acomplex_indices.json",
    "indexAB": {
        "title": {
            "Shawshank Redemption": [
                "0"
            ],
            "Godfather": [
                "1"
            ],
            "Godfather 2": [
                "2"
            ],
            "Pulp Fiction": [
                "3"
            ],
            "The Good, The Bad and The Ugly": [
                "4"
            ],
            "12 Angry Men": [
                "5"
            ],
            "The Dark Knight": [
                "6"
            ],
            "Schindlers List": [
                "7"
            ],
            "Lord of the Rings - Return of the King": [
                "8"
            ],
            "Fight Club": [
                "9"
            ],
            "Star Wars Episode V": [
                "10"
            ],
            "Lord Of the Rings - Fellowship of the Ring": [
                "11"
            ],
            "One flew over the Cuckoo's Nest": [
                "12"
            ],
            "Inception": [
                "13"
            ],
            "Godfellas": [
                "14"
            ]
        },
        "year": {
            "1994": [
                "0",
                "3"
            ],
            "1972": [
                "1"
            ],
            "1974": [
                "2"
            ],
            "1966": [
                "4"
            ],
            "1957": [
                "5"
            ],
            "2008": [
                "6"
            ],
            "1993": [
                "7"
            ],
            "2003": [
                "8"
            ],
            "1999": [
                "9"
            ],
            "1980": [
                "10"
            ],
            "2001": [
                "11"
            ],
            "1975": [
                "12"
            ],
            "2010": [
                "13"
            ],
            "1990": [
                "14"
            ]
        }
    }
}

字符串
因此，对于每个keyword（如Pulp Fiction），我存储匹配的document-id(s)。
我的问题是integers/numbers/non-string data，就像上面例子中的发行年份，它被存储为字符串，而我希望它被存储为数字。
我创建索引条目如下：

// indices = the current index file
// doc = the document to update the index with
// priv.indices = all indices defined for this application instance
// priv.indices.fields = index fields e.g. "year", "director", "title"
// priv.indices.name = name of this index

priv.updateIndices = function (indices, doc) {
var i, j, index, value, label, key, l = priv.indices.length;

// loop all indices to add document
for (i = 0; i < l; i += 1) {
  index = {};
  index.reference = priv.indices[i];
  index.reference_size = index.reference.fields.length;
  index.current = indices[index.reference.name];

  for (j = 0; j < index.reference_size; j += 1) {
    label = index.reference.fields[j];    // like "year"
    value = doc[label];                   // like 1985

    // if document has a label field (e.g. doc.year = 1985)
    if (value !== undefined) {

      // check if the index file already contains an entry for 1985
      index.current_size = priv.getObjectSize(index.current[label]);
      
      if (index.current_size > 0) {
        // check if the document id is already in the index
        // in case the data is updated (e.g. change 1982 to 1985)
        key = priv.searchIndexByValue(
          index.current[label],
          doc._id,
          "key"
        );
        if (!!key) {
          delete index.current[label][key];
        }
      }
      // create a new array if 1985 is not in the index yet
      if (index.current[label][value] === undefined) {
        index.current[label][value] = [];
      }
      // add the document id to an existing entry
      index.current[label][value].push(doc._id);
    }
  }
}
return indices;
};

型
这很好，除了我想存储为非字符串（整数，数字或日期时间）的字段，如上面例子中的年份最终在我的索引中作为字符串。

问题：

在JSON文档中是否可以存储“非字符串”类型？如果可以，我是否也可以将键/值对的键存储为“非字符串”元素。
如果没有，我是否必须在索引定义中添加一个参数来声明每个键的类型，以便在遇到键字符串时修改它，或者有更好的方法吗？
谢谢你，谢谢