data.chinahighlights.com/js/flight/flight.search.js

(function($) {
    flatpickr("#takeoffDate1", {
        dateFormat: "Y-m-d",
        altInput: true,
        altFormat: 'M j,Y',
        minDate: new Date().fp_incr(0),
        maxDate: new Date().fp_incr(360)
    })
    flatpickr("#takeoffDate2", {
            dateFormat: "Y-m-d",
            altInput: true,
            altFormat: 'M j,Y',
            minDate: new Date().fp_incr(0),
            maxDate: new Date().fp_incr(360)
        })
        //调换城市
    $('.exchange').click(function() {
        var flightfrom = $('#startName1').val();
        var flighto = $('#destinationName1').val();
        $('#startName1').val(flighto);
        $('#destinationName1').val(flightfrom);
        var flightfromCode = $('#startCode1').val();
        var flightoCode = $('#destinationCode1').val();
        $('#startCode1').val(flightoCode);
        $('#destinationCode1').val(flightfromCode);
    });
    //往返选择
    $("input[name=triptype]").click(function() {
        switch ($(this).val()) {
            case "1": //单程
                $(this).parents("form").find("#endDate").hide();
                break;
            case "2": //往返
                $(this).parents("form").find("#endDate").show();
                break;
        }
    });
    //出发城市/到达城市搜索 自动补全
    window.cityName = [];
    window.cityCode = [];
    window.FlightUrl = "/guide-use.php/china_flights/allcity"; //网前
    //var FlightUrl = "http://202.103.68.156:9032/flight/ajaxGetCodeAndName/"; //本地
    $.getJSON(FlightUrl, function(json) {
        for (key in json) {
            let key_r = (json[key].city_english_name).replace(/\s+/g, "")
            cityName[key] = key_r;
            cityCode[key_r] = json[key].city_threeChar;
        }
        $('#startName1').typeahead({
            source: cityName,
            autoSelect: true,
            afterSelect: function() {
                $('#startCode1').val(cityCode[$('#startName1').val()]);
            }
        });

        $('#destinationName1').typeahead({
            source: cityName,
            autoSelect: true,
            afterSelect: function() {
                $('#destinationCode1').val(cityCode[$('#destinationName1').val()]);
            }
        });
    });

    var nav_id = $('#header');
    var html_body = $('html,body');
    var new_nav_name = 'getFixed';
    if (nav_id.length > 0) {
        $(window).on('scroll', function() {
            var scrollTop = html_body.scrollTop();
            if (scrollTop > 100) {
                nav_id.addClass(new_nav_name);
            } else {
                nav_id.removeClass(new_nav_name);
            }
        });
    }

    $(".js_flightdetails").click(function(params) {
        var fDetails = $(this).closest("div.airlineContent").find("div.airlineDetail");
        if (fDetails.is(":visible")) {
            fDetails.hide();
            $(this).find("i").removeClass("fa-angle-up").addClass("fa-angle-down");
        } else {
            fDetails.show();
            $(this).find("i").removeClass("fa-angle-down").addClass("fa-angle-up");
        }
    });

    $("#searchBtn").click(function() {
        //搜索按钮点击都算重新搜索
        $("#isReturn").val("0");
    });
    //filter
    $("input[class='jsfilter']").click(function() {

        //alert($(this).val());
        //获取每个选中条件
        var filterArr = new Array();
        var c_filterArr = new Array();
        var c_ItemName = c_ItemVaule = "";
        $("input[class='jsfilter']").each(function(index, element) {
            if ($(this).is(":checked")) {
                //先把选中的项数据放入数组待处理
                c_ItemName = $(this).attr("name");
                c_ItemVaule = $(this).val();
                //放入数组
                var c_filterItem = new Array();
                c_filterItem[0] = c_ItemName;
                c_filterItem[1] = c_ItemVaule;
                c_filterArr.push(c_filterItem); //所有过滤条件
                filterArr.push(c_filterItem[0]); //类别

                $(this).closest("li.fitem").removeClass("f-checked").addClass("f-checked");
            } else {
                $(this).closest("li.fitem").removeClass("f-checked");
            }

        });

        //根据选中条件的数组去重复
        filterArr = unique(filterArr);

        if (filterArr.length > 0) {
            $("#js_flightInfo>div.airlineContent").each(function(index, element) {
                var flightData = $(this).attr("data");
                var Stops_Show = airline_Show = dtimes_Show = atimes_Show = dAirPort_Show = aAirPort_Show = true; //默认显示

                //如果有勾选条件，就需要判断
                if (filterArr.indexOf("Stops") > -1) {
                    var stopVaule = flightData.split("|")[9];
                    if (CheckInArr(c_filterArr, "Stops", stopVaule)) {
                        Stops_Show = true;
                    } else {
                        Stops_Show = false;
                    }
                }

                if (filterArr.indexOf("airline") > -1) {
                    var airlineVaule = flightData.split("|")[0];
                    if (CheckInArr(c_filterArr, "airline", airlineVaule)) {
                        airline_Show = true;
                    } else {
                        airline_Show = false;
                    }
                }

                if (filterArr.indexOf("dtimes") > -1) {
                    var timeVaule = TimesPart(flightData.split("|")[4]);
                    if (CheckInArr(c_filterArr, "dtimes", timeVaule)) {
                        dtimes_Show = true;
                    } else {
                        dtimes_Show = false;
                    }
                }
                if (filterArr.indexOf("atimes") > -1) {
                    var timeVaule = TimesPart(flightData.split("|")[6]);
                    if (CheckInArr(c_filterArr, "atimes", timeVaule)) {
                        atimes_Show = true;
                    } else {
                        atimes_Show = false;
                    }
                }

                if (filterArr.indexOf("DepartAirport") > -1) {
                    var dAirPortVaule = flightData.split("|")[12];
                    if (CheckInArr(c_filterArr, "DepartAirport", dAirPortVaule)) {
                        dAirPort_Show = true;
                    } else {
                        dAirPort_Show = false;
                    }
                }
                if (filterArr.indexOf("ArriveAirport") > -1) {
                    var aAirPortVaule = flightData.split("|")[16];
                    if (CheckInArr(c_filterArr, "ArriveAirport", aAirPortVaule)) {
                        aAirPort_Show = true;
                    } else {
                        aAirPort_Show = false;
                    }
                }

                //几个过滤条件是并的关系
                if (Stops_Show && airline_Show && dtimes_Show && atimes_Show && dAirPort_Show && aAirPort_Show) {
                    $(this).show();
                } else {
                    $(this).hide();
                }
            });
        } else {
            $("#js_flightInfo>div.airlineContent").show();
        }

        function CheckInArr(arr, key, value) {
            var ciResult = false;
            for (var ci = 0; ci < arr.length; ci++) {
                ciName = arr[ci][0];
                ciValue = arr[ci][1];
                if (key == ciName && value == ciValue) {
                    ciResult = true;
                    break;
                }
            }
            return ciResult;
        }

    });

    readData();

})(window.jQuery);

/** loader */
function loaderOn() {
    document.getElementById("loader").style.display = "block";
}

function loaderOff() {
    document.getElementById("loader").style.display = "none";
}

function showAllClick(e) {
    var cshow = $(e).closest("div.cabinlist").find("div.airlineCabin");
    if ($(e).find("span").html() == "Show Less") {
        cshow.filter(":gt(0)").hide();
        $(e).find("span").html("Show More");
        $(e).find("i").removeClass("fa-angle-down").addClass("fa-angle-up");


    } else {
        cshow.filter(":gt(0)").show();
        $(e).find("span").html("Show Less");
        $(e).find("i").removeClass("fa-angle-up").addClass("fa-angle-down");
    }

}

//sort
function sortFligt(e) {
    var sortName = $(e).html();
    var sortItemIndex = 0; //对比项所在数组中的位置
    if (sortName == "Departure") {
        sortItemIndex = 4;
    } else if (sortName == "Arrival") {
        sortItemIndex = 6;
    } else if (sortName == "Duration") {
        sortItemIndex = 7;
    } else if (sortName == "Price") {
        sortItemIndex = 8;
    }

    var sortItem = function(a, b) {
        var aItemData = $(a).attr("data");
        var bItemData = $(b).attr("data")
        var aItem = aItemData.split("|")[sortItemIndex];
        var bItem = bItemData.split("|")[sortItemIndex];
        var arrResult = new Array(2);
        if (sortItemIndex == 4 || sortItemIndex == 6 || sortItemIndex == 7) {
            //departruetiime
            var arrAItem = aItem.split(":");
            var arrBItem = bItem.split(":");
            arrResult[0] = parseInt(arrAItem[0]) * 12 + parseInt(arrAItem[1]);
            arrResult[1] = parseInt(arrBItem[0]) * 12 + parseInt(arrBItem[1]);
        } else if (sortItemIndex == 8) {
            arrResult[0] = parseInt(aItem);
            arrResult[1] = parseInt(bItem);
        }

        return arrResult;
    }

    var asc = function(a, b) {
        var ascSortItem = sortItem(a, b);
        return ascSortItem[0] > ascSortItem[1] ? 1 : -1;
    }

    var desc = function(a, b) {
        var descSortItem = sortItem(a, b);
        return descSortItem[0] > descSortItem[1] ? -1 : 1;
    }

    var sortByItem = function(sortBy) {
        var sortEle = $('#js_flightInfo>div.airlineContent').sort(sortBy);
        $('#js_flightInfo').empty().append(sortEle);
    }

    var ascI = $(e).closest("div.orderItem").find("span.sortArrow").find("i");
    if (ascI.eq(0).hasClass("f-checked")) {
        ascI.eq(0).removeClass("f-checked");
        ascI.eq(1).removeClass("f-checked").addClass("f-checked");
        sortByItem(desc);
    } else {
        ascI.eq(1).removeClass("f-checked");
        ascI.eq(0).removeClass("f-checked").addClass("f-checked");
        sortByItem(asc);
    }

}

///根据时间字符串分区，1,2,3,4 六小时一区
function TimesPart(strTime) {
    var H_Times = parseInt(strTime.split(":")[0]);
    var PartResult;
    if (H_Times > 0 && H_Times < 6) {
        PartResult = 1;
    } else if (H_Times >= 6 && H_Times < 12) {
        PartResult = 2;
    } else if (H_Times >= 12 && H_Times < 18) {
        PartResult = 3;
    } else if (H_Times >= 18 && H_Times < 24) {
        PartResult = 4;
    }
    return PartResult;
}

//数组去重复
function unique(arr) {
    for (var i = 0; i < arr.length; i++) {
        for (var j = i + 1; j < arr.length; j++) {
            if (arr[i] == arr[j]) { //第一个等同于第二个，splice方法删除第二个
                arr.splice(j, 1);
                j--;
            }
        }
    }
    return arr;
}

function parseFlightData(flightStr) {
    let flightKey = ['airlineIataCode', 'showAirLineCompany', 'airlineCompany', 'departDate', 'departTime', 'arriveDate', 'arriveTime', 'duration', 'lowPrice', 'stopNum', 'departCityIataCode', 'departAirportNameEn', 'departAirportCode', 'departAirportTerminal', 'arriveCityIataCode', 'arriveAirportNameEn', 'arriveAirportCode', 'arriveAirportTerminal', 'flightNo', 'craftType', 'stopNum', 'stopCityCode', 'showStopCityName', 'airPortCode', 'airPortName', 'stoparrivalTime', 'stopdepartrueTime', 'departAirportName', 'arriveAirportName','departCityIataNameEn','arriveCityIataNameEn', 'airLineIcon'];
    let flightValue = flightStr.split('|');
    let ret = flightValue.reduce(function(ret, field, index) {
        ret[flightKey[index]] = field;
        return ret;
    }, {});
    return JSON.stringify(ret);
}

function parseCabinData(longStr) {
    let arrKey = ['cabinClassName', 'cabinClassNameEn', 'adultPrice', 'adultPrice_usd', 'childPrice', 'childPrice_usd', 'cabinClass', 'seatStatus', 'freeLuggage', 'freeLuggageUnit', 'adultTax', 'adultTax_usd', 'cabinClassFullPrice', 'cabinClassFullPrice_usd', 'babyPrice', 'babyPrice_usd', 'serviceFeeAdult', 'serviceFeeAdult_usd', 'serviceFeeBaby', 'serviceFeeBaby_usd'];
    let strValue = longStr.split('|');
    let ret = strValue.reduce(function(ret, field, index) {
        ret[arrKey[index]] = field;
        return ret;
    }, {});
    return JSON.stringify(ret);
}
/**
 * 选座预订按钮，主要注意往返程
 */
function chooseSeat(e) {
    loaderOn();
    var FlightInfo = $(e).closest("div.airlineContent").attr("data");
    var CabinInfo = $(e).attr("data-cabin");
    var c_roundTrip = $("#roundTrip").val();
    var c_isReturn = $("#isReturn").val();
    sessionStorage.setItem('roundTrip', c_roundTrip);
    sessionStorage.setItem('isReturn', c_isReturn);
    if (c_roundTrip.toUpperCase() === "TRUE" && Number(c_isReturn) !== 0) {
        sessionStorage.setItem('ArriveFlightInfo', (parseFlightData(FlightInfo)));
        sessionStorage.setItem('ArriveCabinInfo', parseCabinData(CabinInfo));
        sessionStorage.setItem('ArriveFlightStr', ((FlightInfo)));
        sessionStorage.setItem('ArriveCabinStr', (CabinInfo));
        window.location.href = '/china-flights/book';
    } else {
        sessionStorage.setItem('DepartFlightInfo', (parseFlightData(FlightInfo)));
        sessionStorage.setItem('DepartCabinInfo', parseCabinData(CabinInfo));
        sessionStorage.setItem('DepartFlightStr', ((FlightInfo)));
        sessionStorage.setItem('DepartCabinStr', (CabinInfo));
        if (c_roundTrip.toUpperCase() !== "TRUE") {
            window.location.href = '/china-flights/book';
        } else {
            $("#isReturn").val("1");
            $("#searchform").get(0).submit();
        }
    }
    return false;
}
function readData() {
    let DepartFlightInfo = sessionStorage.getItem('DepartFlightInfo');
    let DepartCabinInfo = sessionStorage.getItem('DepartCabinInfo');
    if (!DepartFlightInfo) {
        return false;
    }
    DepartFlightInfo = JSON.parse(DepartFlightInfo) ;
    DepartCabinInfo = JSON.parse(DepartCabinInfo) ;
    let iconSrc = "/china-flights/images/icon/" + DepartFlightInfo.airLineIcon + ".gif";
    $('#selected__airicon').attr('src',iconSrc);
    $('#selected__airicon').attr('alt',DepartFlightInfo.showAirLineCompany);
    $('#selected__deaprtdate').html(DepartFlightInfo.departDate);
    $('#selected__cabinname').html(DepartCabinInfo.cabinClassNameEn);
    $('#selected__airline').html(DepartFlightInfo.showAirLineCompany);
    $('#selected__flihgtinfo').html(DepartFlightInfo.flightNo + '/' + DepartFlightInfo.craftType);
    $('#selected__departtime').html(DepartFlightInfo.departTime);
    $('#selected__arrivetime').html(DepartFlightInfo.arriveTime);
    $('#selected__departairport').html(DepartFlightInfo.departAirportNameEn + '(' + DepartFlightInfo.departAirportTerminal + ')');
    $('#selected__arriveairport').html(DepartFlightInfo.arriveAirportNameEn + '(' + DepartFlightInfo.arriveAirportTerminal + ')');
    $('#selected__duration').html(DepartFlightInfo.duration);
    $('#selected__adultusd').html(DepartCabinInfo.adultPrice_usd);
    if (parseInt(DepartFlightInfo.stopNum) > 0) {
        let stopinfo = DepartFlightInfo.showStopCityName + "," + DepartFlightInfo.stoparrivalTime + "-" + DepartFlightInfo.stopdepartrueTime;
        let stopinfoHtml = '<a href="javascript:;" title="' + stopinfo + '">' + DepartFlightInfo.stopCityCode + '</a>';
        $('#selected__stopinfo').html(stopinfoHtml);
    }
    $('#selected__content').removeClass('hidden');
}