carInsightSystem_wxapp/pages/index/Brandsales/Brandsales.js

// pages/index/Rankdetail/Rankdetail.js
var newtime = new Date();
const app = getApp();
import {
    times2
} from "../../../components/option/text"
import moment from "moment";
let iPageIndex = 1 // 当前第几页,0代表第一页 
let iPageSize = 20 //每页显示多少数据
Page({
    /**
     * 页面的初始数据
     */
    data: {
        // end: moment().format("YYYY-MM"),
        show: false,
        date: '',
        date2: '',
        // currentDate: new Date().getTime(),
        // minDate: new Date().getTime(),
        ranking: [],
        carName: "",
        showDialog: false,
        loadMore: false, //"上拉加载"的变量，默认false，隐藏  
        loadAll: false, //“没有数据”的变量，默认false，隐藏  
    },
    dropdownSel(e) {
        this.setData({
            value1: e.detail
        })
    },
    getData() {
        let obj = {
            action: 'getCheZhuCarBrandTimeRankingHome',
            sType: 'Marketing',
            sBrand: this.data.carName || '',
            sStartTime: this.data.date || "",
            sEndTime: this.data.date2 || '',
            iPageIndex: iPageIndex,
            iPageSize: iPageSize,
        }
        //第一次加载数据
        if (iPageIndex == 1) {
            this.setData({
                loadMore: true, //把"上拉加载"的变量设为true，显示  
                loadAll: false //把“没有数据”设为false，隐藏  
            })
        }
        app.globalData.request(obj).then(res => {
            if (res && res.length > 0) {
                iPageIndex++;
                let arr = this.data.ranking.concat(res);
                this.setData({
                    ranking: arr,
                    loadMore: false
                })
                if (res.length < iPageSize) {
                    this.setData({
                        loadMore: false, //隐藏加载中。。
                        loadAll: true //所有数据都加载完了
                    });
                }
            } else {
                this.setData({
                    loadAll: true, //把“没有数据”设为true，显示  
                    loadMore: false //把"上拉加载"的变量设为false，隐藏  
                });
            }
        })
    },

    priceSel(e) {
        this.setData({
            priceSelected: e.currentTarget.dataset.index
        })
    },
    //详情跳转
    detail(e) {
        const carBrand = this.data.carName;
        const carTime = e.currentTarget.dataset.cartime;
        wx.navigateTo({
            url: '/pages/index/detailedvolume/detailedvolume?brand=' + carBrand + "&time=" + carTime,
        })
    },
    showPopup() {
        this.setData({
            show: true
        });
    },
    onClose() {
        this.setData({
            show: false
        });
    },
    onInput(event) {
        this.setData({
            currentDate: event.detail,
        });
    },
    //  // 点击日期组件确定事件 
    bindDateChange: function (e) {
        let isBefore = moment(this.data.date2).isBefore(e.detail.value)
        //  console.log(isBefore)
        if (!isBefore) {
            iPageIndex = 1
            iPageSize = 20
            this.setData({
                date: e.detail.value,
                ranking: [],
            })
            this.getData()
        } else {
            this.setData({
                showDialog: isBefore,
            })
        }
    },
    bindDateChange2: function (e) {
        this.data.date2 = e.detail.value
        let isBefore = moment(this.data.date).isBefore(e.detail.value)
        if (isBefore) {
            iPageIndex = 1
            iPageSize = 20
            this.setData({
                date2: e.detail.value,
                ranking: [],
            })
            this.getData()
        } else {
            this.setData({
                showDialog: !isBefore,
            })
        }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {
        this.data.carName = options.carName
        if (options.date == undefined) {
            this.data.date = times2(wx.getStorageSync('newTime')),
            this.data.date2 = wx.getStorageSync('newTime')
        } else {
            this.data.date = options.date
            this.data.date2 = options.date2
        }
        iPageIndex = 1;
        this.getData()
        
        this.setData({
            date: this.data.date,
            date2: this.data.date2,
        });
    },
    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () {
        //动态设置标题
        wx.setNavigationBarTitle({
            title: this.options.carName + "汽车销量"
        })

    },
    onReachBottom: function () {
        console.log("上拉触底事件")
        let that = this
        if (!that.data.loadMore) {
            that.setData({
                loadMore: true, //加载中  
                loadAll: false //是否加载完所有数据
            });
            //加载更多，这里做下延时加载
            that.getData();
        }
    },
    onShow: function (options) {}
})