ConstructionCost/modules/main/facade/bill_facade.js

/**
 * Created by zhang on 2018/1/22.
 */
let mongoose = require('mongoose');
let projectConst = require('../models/project_consts');
const rationType = projectConst.rationType;
const rationKeyArray = projectConst.rationKeyArray;
const gljKeyArray = projectConst.gljKeyArray;
let quantity_detail = require("./quantity_detail_facade");
let quantity_detail_model = mongoose.model('quantity_detail');
let ration_glj_facade = require("../../ration_glj/facade/ration_glj_facade");
let Bills_Lib = mongoose.model('std_bills_lib_bills');
let ration_Model = mongoose.model('ration');
let ration_glj_Model = mongoose.model('ration_glj');
let ration_coe_Model = mongoose.model('ration_coe');
const projectModel = mongoose.model('projects');
let ration_installation_Model = mongoose.model('ration_installation');
let ration_template_Model = mongoose.model('ration_template');
let bill_Model = require('../models/bills').model;
let billsLibDao = require("../../bills_lib/models/bills_lib_interfaces");
const pmFacade = require('../../pm/facade/pm_facade');
const { getSortedTreeData, getEngineeringFeeType } = require('../../../public/common_util');
const { billType, constructionFeeNodeID, constructionEquipmentFeeNodeID, BudgetArea, fixedFlag, BudgetType } = require('../../../public/common_constants');
const scMathUtil = require('../../../public/scMathUtil').getUtil();
const uuidV1 = require('uuid/v1');
const equipmentFacade = require('../../equipment_purchase/facade/equipment_purchase_facade');
const gatherModel = mongoose.model('gather_calc_programs');

const GLJController = require("../../glj/controllers/glj_controller");

const GLJListModel = require('../../glj/models/glj_list_model');
let _ = require("lodash");
module.exports={
    getSectionInfo : async function (data) {
        let conditions=[];
        let fxList=[];
        let sectionInfo ={};
        for(let libID in data){
            let codes=[];
            let temp={};
            codes= _.keys(data[libID]);
            temp['billsLibId']=libID;
            temp['code'] = {"$in": codes};
            conditions.push(temp);
        }
        if(conditions.length>0){
            fxList = await Bills_Lib.find({"$or":conditions});
        }
        if(fxList.length>0){
            let sectionIDs = {};
            for(let f of fxList){
                if(f._doc.sectionInfo){
                    f._doc.sectionInfo.first?sectionIDs[f._doc.sectionInfo.first]=true:"";
                    f._doc.sectionInfo.second?sectionIDs[f._doc.sectionInfo.second]=true:"";
                    f._doc.sectionInfo.third?sectionIDs[f._doc.sectionInfo.third]=true:"";
                }
            }
            let IDList = _.keys(sectionIDs);
            let sectionList = await Bills_Lib.find({'ID':{'$in':IDList}});
            let sectionMap = _.mapKeys(sectionList,'ID');
            let fxMap =  _.mapKeys(fxList,'code');
            sectionInfo={
                fxMap:fxMap,
                sectionMap :sectionMap
            }
            return sectionInfo;
        }
        return null;
    },
    reorganizeFBFX:async function(data){
        let result = {};
        let tasks = generateBillTasks(data);
        if(data.delete && data.delete.length > 0){
            let qd_query={projectID: data.projectID, billID: {"$in": data.delete}};
            await quantity_detail.deleteByQuery(qd_query) ;
        }
        if(tasks.length > 0){
            result =await bill_Model.bulkWrite(tasks);
        }
       return result;
    },
    pasteBlock : async function(data,compilation){
        let pasteTasks = [
            pasteRationsAndRationGLJ(data.rations,data.ration_gljs,compilation),//这一步会花费比较多时间
            pasteOtherData(data)
        ];
        let [rationsAndRationGLJ,resultMap] = await Promise.all(pasteTasks);

        let gljController = new GLJController();
       // let projectGLJ = await gljController.getProjectGLJsByProjectID(data.projectID);
        resultMap.rations = rationsAndRationGLJ.rations;
        resultMap.ration_gljs = rationsAndRationGLJ.new_ration_gljs;
        resultMap.projectGLJList = rationsAndRationGLJ.projectGLJList;
       // resultMap.gljData = projectGLJ.data;
        return resultMap;
    },
    createNewBills:async function(newDatas){
        // billsLibDao.getStdBillsByCode  从这里取数据
        let results = [];
        for(let bills of newDatas){
            let stdB = await  billsLibDao.getStdBillsByCode({billsLibId:bills.billsLibId,code:bills.billsLocation});
            if(stdB){
                stdB = JSON.parse(JSON.stringify(stdB));
                if(!bills.unit && /\//.test(stdB.unit)){
                    bills.unit = stdB.unit.split(/\//)[0];
                }
                //处理项目特征和工作内容，现在默认都添加到项目特征列中
                stdB.itemCharacterText = "[项目特征]\n[工作内容]\n"+stdB.jobContentText;
                stdB.jobContentText="";
                bills =  _.merge(stdB,bills);
            }
            delete bills.billsLocation;
            results.push(bills);
        }
        if(results.length > 0){
            await bill_Model.create(results);
        }
        return results;

    },
    insertBills: async function(datas) {
        let bulks = [];
        for (let data of datas) {
            if (data.updateType === 'update') {
                bulks.push({updateOne: {filter: {ID: data.updateData.ID}, update: {NextSiblingID: data.updateData.NextSiblingID}}});
            } else {
                bulks.push({insertOne: {document: data.updateData}});
            }
        }
        if (bulks.length > 0) {
            await bill_Model.bulkWrite(bulks);
        }
    },
    // 获取单位工程ID 工程费用(费用汇总里的totalFee) 映射表
    getUnitsBudgetMap: async function (unitIDs) {
        const rst = {};
        const gatherData = await gatherModel.find({ projectID: { $in: unitIDs } }, '-_id projectID totalFee').lean();
        const gatherMap = {};
        gatherData.forEach(item => gatherMap[item.projectID] = item.totalFee || 0);
        unitIDs.forEach(unitID => {
            rst[unitID] = gatherMap[unitID] || 0;
        });
        return rst;
    },
    // 获取设备购置费
    getUnitsEquipmentMap: async function (unitIDs) {
        return await equipmentFacade.getEquipmentTotalCost(unitIDs);
    },
    // 获取概算汇总初始化数据
    initialBudgetSummary: async function (constructionID) {
        const treeData = await this.getBudgetSummary(constructionID);
        const construction = await projectModel.findOne({ ID: constructionID }, { 'property.costGrowthRate': 1, 'property.growthPeriod': 1, 'property.budgetType': 1 }).lean();
        const costGrowthRate = construction && construction.property && construction.property.costGrowthRate || 0;
        const growthPeriod = construction && construction.property && construction.property.growthPeriod || 0;
        const budgetType = construction && construction.property && construction.property.budgetType || BudgetType.BUILDING;
        return {
            budgetType,
            treeData,
            costGrowthRate,
            growthPeriod,
        }
    },
    // 项目管理等需要获取概算汇总项目数据映射
    getBudgetSummaryInfo: async function (constructionIDs) {
        const map = {};
        const task = [];
        for (const constructionID of constructionIDs) {
            task.push(this.getBudgetSummary(constructionID, true));
        }
        const summaryResult = await Promise.all(task);
        summaryResult.forEach(items => {
            const constructionBudget = items.find(item => item.flags && item.flags[0] && item.flags[0].flag === fixedFlag.CONSTRUCTION_BUDGET);
            items.forEach(item => {
                if (item.orgProjectID) {
                    map[item.orgProjectID] = item;
                    if (item.projType === 'Project' && constructionBudget) {
                        // 建设项目的总价需要取建设项目总概算
                        map[item.orgProjectID].totalFee = constructionBudget.totalFee;
                        map[item.orgProjectID].fees = constructionBudget.fees;
                    }
                }
            });
        });
        return map;
    },
    // 获取概算汇总单项工程级别数据（拍好序的，报表接口用）
    getSinglesBudgetSummary: async function (constructionID) {
        const items = await this.getBudgetSummary(constructionID, true);
        // 去除建设项目层级
        items.shift();
        items.forEach(item => {
            // 方便报表取值处理
            if (item.projType === 'Engineering') {
                item.engineeringName = item.name || '';
            } else if (item.projType === 'Tender') {
                item.tenderName = item.name || '';
            }
        });
        return items;
    },

    // 获取概算汇总数据(拍好序的)
    // 如果isSimple为true，只进行工程费用部分汇总，只返回工程费用部分数据
    getBudgetSummary: async function (constructionID, isSimple = false) {
        // 获取建设项目清单数据(工程建设其他费用 - 建设项目总概算)部分
        let sortedOtherFeeBills = [];
        if (!isSimple) {
            const constructionOtherFeeBills = await bill_Model.find({ projectID: constructionID }).lean();
            sortedOtherFeeBills = getSortedTreeData('-1', constructionOtherFeeBills);
            sortedOtherFeeBills.forEach(item => item.area = BudgetArea.CONSTRUCTION_OTHER_FEE);
        } else {
            sortedOtherFeeBills = await bill_Model.find({ projectID: constructionID, 'flags.flag': fixedFlag.CONSTRUCTION_BUDGET }).lean();
        }
        // 获取工程费用数据
        const constructionFeeBills = await this.getConstructionFeeData(constructionID, (sortedOtherFeeBills[0] && sortedOtherFeeBills[0].ID) || '-1');
        // 汇算工程费用
        await this.summarizeData(constructionFeeBills);
        const rst = [...constructionFeeBills, ...sortedOtherFeeBills];
        const totalItem = rst.find(item => item.flags && item.flags[0] && item.flags[0].flag === fixedFlag.CONSTRUCTION_BUDGET);
        let totalFee = 0;
        if (totalItem) {
            const totalFeeItem = totalItem.fees && totalItem.fees.find(f => f.fieldName === 'common');
            totalFee = totalFeeItem ? +totalFeeItem.totalFee : 0;
        }
        // 方便报表取数据，规范数据
        rst.forEach(item => {
            item.code = item.code || '';
            item.name = item.name || '';
            item.unit = item.unit || '';
            item.quantity = item.quantity || '';
            const buildingFeeItem = item.fees && item.fees.find(f => f.fieldName === 'building');
            const installFeeItem = item.fees && item.fees.find(f => f.fieldName === 'installation');
            const equipmentFeeItem = item.fees && item.fees.find(f => f.fieldName === 'equipment');
            const otherFeeItem = item.fees && item.fees.find(f => f.fieldName === 'other');
            const totalFeeItem = item.fees && item.fees.find(f => f.fieldName === 'common');
            item.buildingFee = buildingFeeItem ? buildingFeeItem.totalFee : 0;
            item.installationFee = installFeeItem ? installFeeItem.totalFee : 0;
            item.equipmentFee = equipmentFeeItem ? equipmentFeeItem.totalFee : 0;
            item.otherFee = otherFeeItem ? otherFeeItem.totalFee : 0;
            item.totalFee = totalFeeItem ? totalFeeItem.totalFee : 0;
            item.unitFee = totalFeeItem ? totalFeeItem.unitFee : 0;
            // 计算占总投资比例
            const rate = totalFee ?  scMathUtil.roundForObj(item.totalFee / totalFee, 4) : 0; 
            item.rate = rate * 100; // 转换为百分比
        });
        return rst;
    },
    // 获取工程费用数据，作为概算汇总数据的拼接树数据
    getConstructionFeeData: async function (constructionID, nextID) {
        const projects = await pmFacade.getPosterityProjects([constructionID], true, { _id: 0, ID: 1, ParentID: 1, NextSiblingID: 1, name: 1, projType: 1, chapterCode: 1, sectionCode: 1, quantity: 1, unit: 1, 'property.engineeringName': 1});
        const construction = projects.find(p => p.ID === constructionID);
        const items = getSortedTreeData(construction.ParentID, projects);
        // 转换为uuid
        const IDMap = {};
        items.forEach((item, index) => {
            //保留项目ID
            item.orgProjectID = item.ID;
            if (index == 0) {
                IDMap[item.ID] = constructionFeeNodeID;
            } else {
                IDMap[item.ID] = uuidV1()
            }
        });
        // 将项目调整为工程费用数据
        let curConstructionID;
        let curSingleNo = 0;
        let curSingleID;
        let curUnitNo = 0;
        // let latestSingleNode;
        items.forEach((item, index) => {
            item.area = BudgetArea.CONSTRUCTION_FEE;
            item.ID = IDMap[item.ID];
            item.ParentID = IDMap[item.ParentID] || '-1';
            item.NextSiblingID = IDMap[item.NextSiblingID] || '-1';
            if (index === 0) {
                curConstructionID = item.ID;
                item.type = billType.DXFY;
                item.flags = [{ fieldName: 'fixed', flag: fixedFlag.CONSTRUCTION_FEE }];
                item.code = '1';
                item.name = '工程费用';
                item.NextSiblingID = nextID;
            } else {
                item.type = billType.BILL;
                if (item.ParentID === curConstructionID) {
                    // latestSingleNode = item;
                    curSingleNo += 1;
                    curUnitNo = 0;
                    curSingleID = item.ID;
                    item.code = `1.${curSingleNo}`
                } else if (item.ParentID === curSingleID) {
                    curUnitNo += 1;
                    item.code = `1.${curSingleNo}.${curUnitNo}`
                }
            }
        });
        /* const constructionFeeNode = items[0];
        // 设备及工器具购置费
        const constructionEquipmentNode = {
            type: billType.BILL,
            area: BudgetArea.CONSTRUCTION_FEE,
            flags: [{ fieldName: 'fixed', flag: fixedFlag.CONSTRUCTION_EQUIPMENT_FEE }],
            ID: constructionEquipmentFeeNodeID,
            ParentID: constructionFeeNode.ID,
            NextSiblingID: '-1',
            code: `1.${curSingleNo + 1}`,
            name: '设备及工器具购置费',
        };
        latestSingleNode.NextSiblingID = constructionEquipmentNode.ID;
        items.push(constructionEquipmentNode); */
        return items;
    },
    // 汇算数据
    summarizeData: async function (items) {
        const processDecimal = 6;
        const construction = items.find(item => item.projType === pmFacade.projectType.project);
        if (!construction) {
            return;
        }
        const singles = items.filter(item => item.projType === pmFacade.projectType.engineering);
        const units = items.filter(item => item.projType === pmFacade.projectType.tender);
        if (!singles.length || !units.length) {
            return;
        }
        const unitProjectIDs = units.map(unit => unit.orgProjectID);
        // 获取第一个单位工程的小数位数(清单合价)
        const theUnit = await projectModel.findOne({ ID: unitProjectIDs[0] }, { _id: 0, 'property.decimal': 1 }).lean();
        const decimal = theUnit && theUnit.property && theUnit.property.decimal && theUnit.property.decimal.bills && theUnit.property.decimal.bills.totalPrice || 2;
        // 获取单位工程 -工程费用映射表
        const unitBudgetMap = await this.getUnitsBudgetMap(unitProjectIDs);
        // 获取单位工程 - 设备购置费映射表
        const unitEquipmentMap = await this.getUnitsEquipmentMap(unitProjectIDs);
        // 汇算
        const constructionFeeObj = { total: 0, building: 0, installation: 0, equipment: 0 };
        for (const single of singles) {
            const singleFeeObj = { total: 0, building: 0, installation: 0, equipment: 0 };
            const refUnits = units.filter(unit => unit.ParentID === single.ID);
            for (const unit of refUnits) {
                const unitFee = +unitBudgetMap[unit.orgProjectID]; // 费用汇总算出来的值
                const unitEquipmentFee = +unitEquipmentMap[unit.orgProjectID]; // 设备购置窗口的值
                const unitTotalFee = scMathUtil.roundForObj(unitFee + unitEquipmentFee, decimal); // 费用汇总算出来的值 + 设备购置值
                // 汇算到单项工程
                singleFeeObj.total = scMathUtil.roundForObj(singleFeeObj.total + unitTotalFee, processDecimal);
                singleFeeObj.equipment = scMathUtil.roundForObj(singleFeeObj.equipment + unitEquipmentFee, processDecimal);
                const unitFeeObj = { total: unitTotalFee || 0, building: 0, installation: 0, equipment: unitEquipmentFee || 0 };
                // 建筑工程费、安装工程费
                const feeType = getEngineeringFeeType(unit.property && unit.property.engineeringName || '');
                if (feeType) {
                    unitFeeObj[feeType] = unitFee;
                    singleFeeObj[feeType] = scMathUtil.roundForObj(singleFeeObj[feeType] + unitFee, processDecimal);
                }
                unit.fees = feeObj2Fees(unitFeeObj, unit.quantity);
            }
            single.fees = feeObj2Fees(singleFeeObj, single.quantity);
            // 汇算到建设项目
            constructionFeeObj.total = scMathUtil.roundForObj(constructionFeeObj.total + singleFeeObj.total, processDecimal);
            constructionFeeObj.building = scMathUtil.roundForObj(constructionFeeObj.building + singleFeeObj.building, processDecimal);
            constructionFeeObj.installation = scMathUtil.roundForObj(constructionFeeObj.installation + singleFeeObj.installation, processDecimal);
            constructionFeeObj.equipment = scMathUtil.roundForObj(constructionFeeObj.equipment + singleFeeObj.equipment, processDecimal);
        }
        construction.fees = feeObj2Fees(constructionFeeObj, construction.quantity);
        // 更新fees字段
        const bulks = [];
        items.forEach(item => {
            if (item.orgProjectID && item.fees) {
                bulks.push({
                    updateOne: {
                        filter: { ID: item.orgProjectID },
                        update: { $set: { fees: item.fees } }
                    }
                })
            }
        });
        if (bulks.length) {
            await projectModel.bulkWrite(bulks);
        }
        // 获取设备购置费(旧)
        /* const equipmentFee = await this.getEquipmentFee(unitProjectIDs);
        const equipmentItem = items.find(item => item.flags && item.flags[0] && item.flags[0].flag === fixedFlag.CONSTRUCTION_EQUIPMENT_FEE);
        const equipmentFeeObj = { fieldName: 'equipment', totalFee: equipmentFee };
        if (equipmentItem) {
            equipmentItem.fees = [equipmentFeeObj];
        }
        construction.fees.push(equipmentFeeObj); */

        function feeObj2Fees(feeObj, quantity) {
            const totalFee = scMathUtil.roundForObj(feeObj.total, decimal)
            let unitFee = 0;
            if (+quantity && totalFee) {
                unitFee = scMathUtil.roundForObj(totalFee / (+quantity), 2);
            }
            return [
                { fieldName: 'common', totalFee: scMathUtil.roundForObj(feeObj.total, decimal), unitFee },
                { fieldName: 'building', totalFee: scMathUtil.roundForObj(feeObj.building, decimal) },
                { fieldName: 'installation', totalFee: scMathUtil.roundForObj(feeObj.installation, decimal) },
                { fieldName: 'equipment', totalFee: scMathUtil.roundForObj(feeObj.equipment, decimal) },
            ];
        }
    },
    bulkOperation: async function (bulkData) {
        const bulks = [];
        const projectBulks = [];
        bulkData.forEach(item => {
            if (item.type === 'new') {
                bulks.push({
                    insertOne: { document: item.data }
                });
            } else if (item.type === 'update') {
                bulks.push({
                    updateOne: { filter: { ID: item.data.ID }, update: { $set: item.data } }
                });
            } else if (item.type === 'updateProject') {
                projectBulks.push({
                    updateOne: { filter: { ID: item.data.ID }, update: { $set: item.data } }
                });
            } else {
                bulks.push({
                    deleteOne: { filter: { ID: item.data.ID } }
                });
            }
        });
        if (bulks.length) {
            await bill_Model.bulkWrite(bulks);  
        }
        if (projectBulks.length) {
            await projectModel.bulkWrite(projectBulks);
        }
    }
};

async function pasteOtherData(data) {
    let bills = data.bills;
    let quantity_details = data.quantity_details;
    let ration_coes = data.ration_coes;
    let ration_installations = data.ration_installations;
    let ration_templates = data.ration_templates;
    let updateData = data.updateData;
    let uModel = null;
    let tasks = [];

    //生成更新任务
    for(let u of updateData){
        if(u.type == "bills"){
            uModel = bill_Model;
        }else {
            uModel = ration_Model;
        }
        let tem = {
            updateOne:{
                filter:u.query,
                update :u.doc
            }
        };
        tasks.push(tem);
    }

    bills.length > 0 ? await insertMany(bills,bill_Model):'';
    quantity_details.length > 0 ? await insertMany(quantity_details,quantity_detail_model):'';
    ration_coes.length > 0 ? await insertMany(ration_coes,ration_coe_Model):'';
    ration_installations.length > 0 ? await insertMany(ration_installations,ration_installation_Model):'';
    ration_templates.length > 0? await insertMany(ration_templates,ration_template_Model):'';
    tasks.length>0?await uModel.bulkWrite(tasks):'';

    return {bills:bills,quantity_details:quantity_details,ration_coes:ration_coes,ration_installations:ration_installations,ration_templates:ration_templates,updateData:updateData}
}

async function pasteRationsAndRationGLJ (rations,ration_gljs,compilation) {
    let projectGljModel = new GLJListModel();
    let gljMap = {}, new_ration_gljs=[],projectID=null,projectGLJList =[];
    if(rations.length > 0) projectID = rations[0].projectID;
    if(projectID==null && ration_gljs.length > 0) projectID = ration_gljs[0].projectID;
    if(projectID == null) return {rations:rations,new_ration_gljs:new_ration_gljs};
    let [unitFileId,ext] = await ration_glj_facade.prepareExtData(projectID,compilation);
    //先根据定额类型的工料机，插入到项目工料机中
    for(let r of rations){
        if(r.type == rationType.gljRation){
            let projectGLJ  = await getProjectGLJ(r,rationKeyArray,gljMap,unitFileId,ext);
            projectGLJList.push(projectGLJ);
        }
    }

    for(let rg of ration_gljs){
        let projectGLJ =  await getProjectGLJ(rg,gljKeyArray,gljMap,unitFileId,ext);
        let temRecord = ration_glj_facade.createNewRecord(rg);
        rg.rcode?temRecord.rcode = rg.rcode:'';
        rg.hasOwnProperty("customQuantity")?temRecord.customQuantity = rg.customQuantity:'';
        new_ration_gljs.push(temRecord);
        projectGLJList.push(projectGLJ);
    }

    rations.length>0?await insertMany(rations,ration_Model):'';
    new_ration_gljs.length>0?await insertMany(new_ration_gljs,ration_glj_Model):'';

    return {rations:rations,new_ration_gljs:new_ration_gljs,projectGLJList:projectGLJList};

    async function getProjectGLJ (glj,keyArray,gljMap,unitFileId,ext) {
        let keyIndex = projectGljModel.getIndex(glj,keyArray);
        let pgljResult = null;
        if(gljMap[keyIndex]){
            pgljResult = gljMap[keyIndex]
        }else {
            let p_glj = ration_glj_facade.getGLJSearchInfo(glj);
            pgljResult = await projectGljModel.addList(p_glj,unitFileId,ext);//逐条添加到项目工料机
            gljMap[keyIndex] = pgljResult;
        }
        setResult(glj,pgljResult);
        return pgljResult
    }


    function setResult(glj,result ) {
        let typeString = result.type+'';
        glj.marketPrice = result.unit_price.market_price;
        glj.adjustPrice = result.unit_price.base_price;
        glj.basePrice = result.unit_price.base_price;
        glj.isAdd = result.unit_price.is_add;
        glj.projectGLJID = result.id;
        if (typeString.startsWith("2")||typeString=='4'||typeString=='5') {//只有材料类型才显示是否暂估
            glj.isEstimate = result.is_evaluate;
        }
    }


}


function generateBillTasks(data) {
    let tasks=[];
    let user_id = data.user_id,projectID = data.projectID;
    let deleteInfo={deleted: true, deleteDateTime: new Date(), deleteBy: user_id};
    if(data.delete && data.delete.length > 0){
        for(let d_ID of data.delete){
            //原先是假删除，现在改成真删除
            let task = {
                deleteOne:{
                    filter:{
                        ID:d_ID,
                        projectID:projectID
                    }
                }
            };
          /*  let task={
                updateOne:{
                    filter:{
                        ID:d_ID,
                        projectID:projectID
                    },
                    update :{
                        deleteInfo:deleteInfo
                    }
                }
            };*/
            tasks.push(task);
        }
    }
    if(data.update && data.update.length > 0){
        for(let u_data of data.update){
            let task ={
                updateOne:{
                    filter : {
                        ID:u_data.ID,
                        projectID:projectID
                    },
                    update : u_data.data
                }
            };
            tasks.push(task);
        }
    }
    if(data.create && data.create.length > 0){
        for(let n_data of data.create){
            let task = {
                insertOne :{
                    document:n_data
                }
            };
            tasks.push(task);
        }
    }
    return tasks;
}


async function insertMany(datas,model) {
    let tem = [];
    console.log(datas);
    while (datas.length>1000){//因为mongoose限制了批量插入的条数为1000.所以超出限制后需要分批插入
        let newList = datas.splice(0,1000);//一次插入1000条
        await model.insertMany(newList);
        tem = tem.concat(newList);
    }
    await model.insertMany(datas);
    if(tem.length > 0) datas.push(...tem);//还原数组
}