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我正在为 MongoDB 创建分步请求。一切正常，但 Mongo 无法识别排序选项。我做错了什么？

var request = {}
    request['show'] = 1;
    request['category'] = category;
    switch (sort) {
        case "new_first":
            request['sort'] = "[['time_added', -1]]";
            break;
        case "old_first":
            request['sort'] = "[['time_added', 1]]";
            break;
    }
collection.find(request, function(err, posts) {
....

谢谢！

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1 回答 1

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找到了解决方案：

sort_query = JSON.parse('{"sort":[["time_added",-1]]}')

有效！

于 2012-09-22T20:53:04.940 回答