时间紧急，帮人写的…

        var searchBy = [{
                searchby: "country",
                value: "UK",
                type: "term"
            },
            {
                searchby: "name",
                value: "Lucy",
                type: "term"
            },
            {
                searchby: "country",
                value: "China",
                type: "term"
            },
            {
                searchby: "name",
                value: "Tom",
                type: "term"
            },
            {
                searchby: "startDate",
                value: "1991-04-05",
                type: "range"
            },
            {
                searchby: "number",
                value: "01",
                type: "term"
            },
            {
                searchby: "number",
                value: "02",
                type: "term"
            },
            {
                searchby: "startDate",
                value: "1991-04-08",
                type: "range"
            }
        ];

        var result = GetAggregationResult(searchBy);
        debugger;

        //////////////////////////////////////////////////////

        function GetAggregationResult(searchBy) {
            if (!searchBy || searchBy.length < 1) {
                return [];
            }

            var result = [];
            GetType(searchBy).forEach(function (type) {
                result = result.concat(GetValue(type));
            });
            return result;

            function GetValue(typeBy) {
                var tempResult = [];
                typeBy.set.forEach(function (searchItem) {
                    var targetSearchBySet = null;

                    for (var i = 0; i < tempResult.length; i++) {
                        if (tempResult[i].searchby == searchItem.searchby) {
                            targetSearchBySet = tempResult[i].valueSet;
                            break;
                        }
                    }

                    if (targetSearchBySet) {
                        if (targetSearchBySet.indexOf(searchItem.value) == -1) {
                            targetSearchBySet.push(searchItem.value);
                        }
                    } else {
                        tempResult.push({
                            searchby: searchItem.searchby,
                            valueSet: [searchItem.value]
                        });
                    }
                });
                
                var result = [];
                tempResult.forEach(function (element) {
                    var item = {};
                    var searchByItem = {};
                    searchByItem[element.searchby] = element.valueSet;
                    item[typeBy.typeName] = searchByItem;
                    result.push(item);
                });
                return result;
            }

            function GetType(searchBy) {
                var result = [];
                searchBy.forEach(function (searchItem) {
                    var currentType = searchItem.type;
                    var targetTypeSet = null;

                    for (var i = 0; i < result.length; i++) {
                        if (result[i].typeName == currentType) {
                            targetTypeSet = result[i].set;
                            break;
                        }
                    }

                    if (targetTypeSet) {
                        targetTypeSet.push(searchItem);
                    } else {
                        result.push({
                            typeName: currentType,
                            set: [searchItem]
                        });
                    }
                });
                return result;
            }
        }