ts_aimz/pages/shop/buyGoods/buyGoods.js

//我要买
import Shop from '../../../net/api/shop'
import {
    sImgPrefix,
} from '../../../net/mainUrl'
const app = getApp()
Page({

    /**
     * 页面的初始数据
     */
    data: {
        pageData: {
            page: 1,
            rows: 12,
            keywords: '',
            priceRangeStart: '',
            priceRangeEnd: '',
            priceOrder: '',
            goodsGetTime: '',
            goodsDevelop: '',
            goodsType: '', //软著类型
            goodsFlag: '',
        },
        keywords: '',
        priceStart: '',
        priceEnd: '',
        isLoadMore: false,
        hasMore: true,
        listLoading: 'loading',
        listRefreshTrig: false,
        goodsList: [],
        imgPrefix: sImgPrefix,
        localAssets: app.globalData.localAssets,
        imgAssets: app.globalData.imgAssetsUrl,
        typeList: [],
        selType: '',
        ownerList: [{
            dataName: '从高到低',
            dataId: 'DESC'
        }, {
            dataName: '从低到高',
            dataId: 'ASC'
        }],
        selOwner: '',
        msgType: 'info',
        msgHint: '',
        msgShow: false
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {
        wx.setNavigationBarTitle({
            title: '我要买',
        })
        wx.setNavigationBarColor({
            frontColor: '#000000', // 必写项，字体颜色仅支持#ffffff和#000000
            backgroundColor: '#FFFFFF', // 传递的颜色值，仅支持十六进制颜色
            animation: { // 可选项
                duration: 500,
                timingFunc: 'easeIn'
            }
        })
        this.doGetDic()
        this.doRefreshList()
    },
    inputKeywords(e) {
        this.setData({
            keywords: e.detail.value
        })
    },
    doSearch() {
        this.doRefreshList()
    },
    bindChooseType(e) {
        wx.pageScrollTo({
            scrollTop: 0
        })
        setTimeout(() => {
            const item = e.currentTarget.dataset.item;
            let newSelType = this.data.selType;
            // 先转数组，处理空字符串情况
            const typeArr = newSelType ? newSelType.split(',') : [];

            if (typeArr.includes(item.dataId)) {
                // 删除
                const index = typeArr.indexOf(item.dataId);
                typeArr.splice(index, 1);
            } else {
                // 添加
                typeArr.push(item.dataId);
            }

            // 转回字符串，自动处理空数组（转成空字符串）
            newSelType = typeArr.join(',');

            this.setData({
                selType: newSelType
            });
            console.log('选择分类:', this.data.selType);
            this.doRefreshList();
        }, 500);
    },
    bindChooseOwner(e) {
        const item = e.currentTarget.dataset.item
        this.setData({
            selOwner: this.data.selOwner == item.dataId ? '' : item.dataId
        })
        this.doRefreshList()
    },
    doGetDic() {
        wx.showLoading({
            title: '加载中...',
        })
        const that = this
        Shop.doGetGoodsDic('0b00884a-f7a2-425f-93e5-599fbaad4bde')
            .then(res => {
                wx.hideLoading()
                that.setData({
                    typeList: res
                })
            })
            .catch(err => {
                wx.hideLoading()
            })
    },
    //刷新
    doRefreshList() {
        const _self = this
        this.setData({
            goodsList: [],
            isLoadMore: false,
            hasMore: true,
            listRefreshTrig: true,
            'pageData.page': 1,
            'pageData.keywords': _self.data.keywords,
            'pageData.priceOrder': _self.data.selOwner,
            'pageData.priceRangeStart': _self.data.priceStart,
            'pageData.priceRangeEnd': _self.data.priceEnd,
            'pageData.goodsType': _self.data.selType,
        })
        _self.getIndexList(true)
    },
    //加载更多
    doLoadMore() {
        const _self = this
        if (_self.data.isLoadMore || !_self.data.hasMore) {
            return
        }
        //判断是否有更多
        _self.setData({
            isLoadMore: true,
            'pageData.page': ++_self.data.pageData.page
        })
        _self.getIndexList(false)
    },
    //获取列表
    getIndexList(isRefresh) {
        const _self = this
        _self.setData({
            listLoading: isRefresh ? 'loading' : ''
        })
        Shop.doGetIndexList(_self.data.pageData)
            .then(res => {
                console.log(res)
                var status = 'success'
                status = res.rows && res.rows.length > 0 ? 'success' : 'empty'
                const list = _self.addPrefixToPreviewImgs(res.rows)
                _self.setData({
                    listLoading: isRefresh ? status : '',
                    goodsList: _self.data.goodsList.concat(list),
                    listRefreshTrig: false,
                    isLoadMore: false,
                })
                _self.setData({
                    hasMore: _self.data.goodsList.length < res.total
                })
            })
            .catch(err => {
                console.log(err)
                _self.setData({
                    listLoading: 'error',
                    listRefreshTrig: false,
                    isLoadMore: false,
                    hasMore: true
                })
            })
    },
    //为数据中图片添加前缀
    addPrefixToPreviewImgs(data) {
        const prefix = this.data.imgPrefix;
        return data.map(item => {
            if (item.goodsPhoto && item.goodsPhoto != '') {
                item.preImg = prefix + item.goodsPhoto
            }
            return item;
        });
    },
    //详情
    doDetail(e) {
        const id = e.currentTarget.dataset.value
        wx.navigateTo({
            url: '/pages/shop/goodsDetail/goodsDetail?id=' + id,
            animation: 'fade'
        })
    }
})