tourism-wxapp/nova-tourism/components/homestay/index.js

let Parse = getApp().Parse;
const company = getApp().globalData.company
Component({
    /**
     * 组件的属性列表
     */
    properties: {},

    /**
     * 组件的初始数据
     */
    data: {
        statusBarHeight: 0,
        screenHeight: 0,
        customHeight: 0,
        bottomNavHeight: 0,
        contentHeight: 0,
        
        date_start: '',
        date_end: '',
        date_start1: '',
        date_end1: '',
        istoday:true,
        daysBetween:1,
        show: false,
        //店铺数据
        storeList:[],
        //价格
        price:211
    },
    lifetimes: {
        detached: function () {},
        attached: async function () {
            const systemInfo = wx.getSystemInfoSync();
            const statusBarHeight = systemInfo.statusBarHeight || 0;
            const screenHeight = systemInfo.screenHeight || 0;
            const custom = wx.getMenuButtonBoundingClientRect();
            const customHeight = custom.height + 10 + 2 || 0;
            const bottomNavHeight = systemInfo.screenHeight - systemInfo.safeArea.bottom || 0;

            const contentHeight = (screenHeight - bottomNavHeight - 50 - statusBarHeight - customHeight) * 750 / systemInfo.windowWidth;
            this.setData({
                statusBarHeight,
                screenHeight,
                customHeight,
                bottomNavHeight,
                contentHeight
            });
            this.getcurrentdate();
            this.gethomestar()
        },
    },
    /**
     * 组件的方法列表
     */
    methods: {
        //获取今日明日日期
        getcurrentdate() {
            const today = new Date();
            const tomorrow = new Date();
            tomorrow.setDate(today.getDate() + 1);
            
            this.setData({
                date_start: this.formatDate(today),
                date_end: this.formatDate(tomorrow),
                date_start1: this.formatDate(today),
                date_end1: this.formatDate(tomorrow),
            });
            console.log(this.data.date_start, this.data.date_end);
        },
        // 计算两个日期之间的天数
        calculateDaysBetween(startDate, endDate) {
            const start = new Date(startDate);
            const end = new Date(endDate);
            const timeDifference = end - start; // 计算时间差（毫秒）
            const daysDifference = timeDifference / (1000 * 3600 * 24); // 转换为天数
            return daysDifference; // 返回天数差
        },
        //开日历
        onDisplay() {
            this.setData({
                show: true
            });
        },
        //关日历
        onClose() {
            this.setData({
                show: false
            });
        },
        //转换日期
        formatDate(date) {
            date = new Date(date);
            return `${date.getMonth() + 1}月${date.getDate()}日`;
        },
        //选好日期点击完成后
        onConfirm(event) {
            const [start, end] = event.detail;
            const daysBetween = this.calculateDaysBetween(start, end); // 计算天数差
            this.setData({
                show: false,
                date_start: `${this.formatDate(start)} `,
                date_end: `${this.formatDate(end)}`,
                daysBetween
            });
            if(this.data.date_start.trim()==this.data.date_start1.trim()&&this.data.date_end.trim()==this.data.date_end1.trim()){
                this.setData({
                    istoday:true
                })
                console.log(this.data.istoday);
            }else{
                this.setData({
                    istoday:false
                })
                console.log(this.data.istoday);
            }
            this.gethomestar()
            console.log(`入住日期: ${this.data.date_start}, 离店日期: ${this.data.date_end}, 天数差: ${daysBetween}天`);
        },
        gourl(e) {
            const url = e.currentTarget.dataset.url;
            const id = e.currentTarget.dataset.id;
        
            // 构造要传递的信息
            const info = {
                objectId: id,
                date_start: this.data.date_start,
                date_end: this.data.date_end,
                daysBetween: this.data.daysBetween,
                istoday:this.data.istoday,
            };
        
            // 将信息转为查询字符串
            const queryString = Object.keys(info)
                .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(info[key])}`)
                .join('&');
        
            // 使用查询字符串跳转
            wx.navigateTo({
                url: `${url}?${queryString}`,
            });
        },
        //获取店铺消息
        async gethomestar() {
            let ShopStore = new Parse.Query('ShopStore');
            ShopStore.equalTo('company', company);
            ShopStore.equalTo('type', "stay");
            ShopStore.notEqualTo('isDeleted', "true");
            
            let store = await ShopStore.find();
            let storeList = store.map(item => {
                let storeItem = item.toJSON();
                // 为每一项添加价格属性
                storeItem.price = storeItem.perCapita*this.data.daysBetween; 
                return storeItem;
            });
            
            this.setData({
                storeList
            });
            
            console.log(this.data.storeList);
        }
    }
});