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var my_big_json = '[{"author":"Chinua Achebe","country":"Nigeria","imageLink":"images/things-fall-apart.jpg","language":"English","link":"https://en.wikipedia.org/wiki/Things_Fall_Apart","pages":209,"title":"Things Fall Apart","year":1958},{"author":"Hans Christian Andersen","country":"Denmark","imageLink":"images/fairy-tales.jpg","language":"Danish","link":"https://en.wikipedia.org/wiki/Fairy_Tales_Told_for_Children._First_Collection.","pages":784,"title":"Fairy tales","year":1836},{"author":"Dante Alighieri","country":"Italy","imageLink":"images/the-divine-comedy.jpg","language":"Italian","link":"https://en.wikipedia.org/wiki/Divine_Comedy","pages":928,"title":"The Divine Comedy","year":1315},{"author":"Unknown","country":"Sumer and Akkadian Empire","imageLink":"images/the-epic-of-gilgamesh.jpg","language":"Akkadian","link":"https://en.wikipedia.org/wiki/Epic_of_Gilgamesh","pages":160,"title":"The Epic Of Gilgamesh","year":-1700},{"author":"Unknown","country":"Achaemenid 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my_big_json = JSON.parse(my_big_json);

for (var i = 0; i < my_big_json.length; i++) {

    console.log(i + 1, " -> ", my_big_json[i]);
}

var idx = lunr(function () {
 
    this.ref('link')
    this.field('author')
    this.field('title')
    this.field('country')

    my_big_json.forEach(function (doc) {
        this.add(doc)
    }, this)
});

结果 = idx.search("冒险");
console.log('结果：', results.length);

Results: 1

结果 = idx.search("冒险");
console.log('结果：', results.length);

var results_full = results.map(function (item) {
    return my_big_json.filter(function (value, index, arr) {
        return value.link == item.ref;
    })[0];
});
控制台日志（results_full）；

0: Object { author: "Mark Twain", country: "United States", imageLink: "images/the-adventures-of-huckleberry-finn.jpg", … }

结果 = idx.search("印度");
console.log('结果：', results.length);

var results_full = results.map(function (item) {
    return my_big_json.filter(function (value, index, arr) {
        return value.link == item.ref;
    })[0];
});
控制台日志（results_full）；

结果: 4
0: Object { author: "Kālidāsa", country: "India", imageLink: "images/the-recognition-of-shakuntala.jpg", ... }
1: Object { author: "Valmiki", country: " India", imageLink: "images/ramayana.jpg", ... }
2: Object { author: "Vyasa", country: "India", imageLink: "images/the-mahab-harata.jpg", ... }
3: Object { 作者：“Salman Rushdie”，国家：“英国，印度”，imageLink：“images/midnights-children.jpg”，... }

var serializedIdx = JSON.stringify(idx);
控制台日志（serializedIdx）；

var my_big_json = lunr.Index.load(JSON.parse(serializedIdx));