carInsightSystem_wxapp/pages/brandCrisis/crisisList/index.js

import {doStr} from "../../../utils/doStr.js"
const app = getApp();
let iPageIndex = 1 // 当前第几页,0代表第一页 
let iPageSize = 10 //每页显示多少数据
Page({
    data: {
        active: 0,
        brand: '',
        list: [
            {
                title: "高级危机",
                val: 3
            },
            {
                title: "中级危机",
                val: 2
            },
            {
                title: "低级危机",
                val: 1
            }
        ],
        crisisList: [],
        val: 3,
        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  
    },
    onLoad() {
        wx.setNavigationBarTitle({
            title: '负面消息'
        })
        let pages = getCurrentPages();
        let currentPage = pages[pages.length - 1]
        let options = currentPage.options
        this.setData({
            brand: options.brand
        })
        iPageIndex = 1;
        this.getData(3);
    },
    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(this.data.val);
        }
    },
    getData(val) {
        let sTimeType = wx.getStorageSync("sTimeType") || 34;
        let sStartTime = wx.getStorageSync("sStartTime") || '';
        let sEndTime = wx.getStorageSync("sEndTime") || '';
        let sCrisis = val;
        let obj = {
            action: "getList",
            sTimeType: sTimeType,
            sStartTime: sStartTime,
            sEndTime: sEndTime,
            iPageIndex: iPageIndex,
            iPageSize: iPageSize,
            sType: "BrandData",
            sCrisis: sCrisis,
            sBrand: this.data.brand,
            // sSeriesName: sSeriesName,
            token: wx.getStorageSync('token') || 't%2BrswgjvzGM='
        }
        app.globalData.request(obj).then(res => {
            if (res && res.length > 0) {
                iPageIndex++;
                res.forEach(ele => {
                    ele._source.title = doStr(ele._source.title, 70);
                    ele._source.content = doStr(ele._source.content, 200);
                })
                let arr = this.data.crisisList.concat(res);
                this.setData({
                    crisisList: 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  
                });
            }
        })
    },
    searchScrollLower() {
        this.getData(this.data.val);
    },
    handlerTap(e) {
        let n = e.detail.index;
        let val = this.data.list[n].val;
        iPageIndex = 1;
        this.setData({
            val: val,
            crisisList: []
        })
        this.getData(val);
    },
    handlerDetail(e) {
        let row = e.currentTarget.dataset.row;
        wx.navigateTo({
            url: '/subPackages/pages/detail/index?id=' + row._id
        })
    }
})