dbd-meeting-wx-small/miniprogram/pages/meeting/meetingRoom/meetingPerson/meetingPerson.js

const app = getApp()

import Notify from '@vant/weapp/notify/notify';

import {
    getChangyangPersonListRq,
    updatePersonListRq
} from "../../../../api/meeting/visitorIinvitation.js"

Page({

    data: {
        /** 索引栏*/
        indexList: [],
        /** 数据*/
        dataList: [],
        // 
        reservationId: null,
        roomContentId: null,
        ids: [],
        pageType: '',
        userData: null,
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {
        let _this = this;
        options.ids = JSON.parse(options.ids)
        //
        _this.setData({
            ...options,
            userData: wx.getStorageSync('user'),
        })
        // 
        // 获取数据
        _this.getDataList()
    },

    // 获取数据
    getDataList() {
        let _this = this;
        getChangyangPersonListRq().then(res => {
            console.log('getChangyangPersonListRq', res);
            let filterDataList = res.data.map(item => {
                let id = item.id
                let label = `${item.name ? item.name : item.mobile}-${item.mobile}`
                let isSelect = false
                //
                if (_this.data.ids.includes(id)) {
                    isSelect = true
                }
                return {
                    id,
                    label,
                    isSelect,
                }
            })
            // 赋值并且格式化数据
            _this.setAndFormatData(filterDataList)
        })
    },

    // 格式化数据
    setAndFormatData(transferList) {
        let _this = this;
        // 索引列
        let indexList = _this.getFirstCharacterList(transferList)
        // 对应每个索引的数据列表
        let dataList = indexList.map(item => {
            let title = item;
            let collectList = [];
            for (let i = 0; i < transferList.length; i++) {
                let transferData = transferList[i];
                if (title == transferData.label.substring(0, 1)) {
                    collectList.push(transferData)
                }
            }
            return {
                title,
                list: collectList
            }
        })
        _this.setData({
            indexList,
            dataList
        })
    },

    // 获取第一个字符数组，不重复
    getFirstCharacterList(list) {
        let firstNameList = list.map(item => {
            return {
                name: item.label.substring(0, 1),
                exist: false
            }
        });
        for (let i = 0; i < firstNameList.length; i++) {
            for (let j = i + 1; j < firstNameList.length; j++) {
                // 已重复的数据直接跳过
                if (firstNameList[j].exist) {
                    continue;
                }
                // 数据重复
                if (firstNameList[i].name == firstNameList[j].name) {
                    firstNameList[j].exist = true;
                }
            }
        }
        return firstNameList.filter(item => !item.exist).map(item => item.name)
    },

    // 选择
    selectClick(e) {
        console.log('selectClick', e);
        let _this = this;
        let id = e.currentTarget.dataset.data.id
        let dataList = _this.data.dataList
        dataList.map(data => {
            data.list.map(item => {
                if (item.id == id) {
                    item.isSelect = !item.isSelect
                }
            })
            return data
        })
        _this.setData({
            dataList
        })
    },

    // 提交
    submit() {
        let _this = this;
        let pageType = _this.data.pageType
        let personList = []
        _this.data.dataList.map(data => {
            personList = personList.concat(data.list.filter(item => item.isSelect))
        })
        //
        let pages = getCurrentPages(); //获取page
        let prevPage = pages[pages.length - 2]; //上一个页面（父页面）
        // 上个页面数据
        // let detail = prevPage.data.detail;

        if (pageType == 'add') { // 添加
            // 赋值上个页面的数据
            prevPage.setData({
                reservationPersonList: personList
            })
        } else if (pageType == 'update') { // 修改
            updatePersonListRq({
                userId: _this.data.userData.id,
                roomContentId: _this.data.roomContentId,
                id: _this.data.reservationId,
                reservationPersonList: personList.map(item => {
                    return {
                        userId: item.id,
                        roomContentId: _this.data.roomContentId
                    }
                })
            }).then(res => {
                console.log('updatePersonListRq', res);
                if (res.code == 0) {
                    app.vantNotifySuccess(Notify, res.msg)
                } else {
                    app.vantNotifyErr(Notify, res.msg)
                }
            })
        }

        // 后退页面
        wx.navigateBack();
    },

    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady() {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow() {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide() {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload() {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh() {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom() {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage() {

    }
})