bwj_wechat/components/My_SupplyAndDemandList/imges.js

// components/My_SupplyAndDemandList/imges.js
Component({
    /**
     * 组件的属性列表
     */
    properties: {
        attinfos: Array,
        ftype: { //供需类型
            type: String,
            value: ''
        },
        isEmpty: {
            type: Boolean,
            value: true
        }
    },
    observers: {
        'attinfos': function (newValue) {
            if (newValue.length == 0 && this.data.ftype) {
                let obj = {},
                    url = 'https://bwj.obs.cn-east-2.myhuaweicloud.com/resources/WeChat/supplyAndDemand/'
                switch (this.data.ftype) {
                    case '寻找主播':
                        obj.fobsurl = `${url}icon-06.png`
                        break;
                    case '摄影摄像':
                        obj.fobsurl = `${url}icon-01.png`
                        break;
                    case '寻找面料':
                        obj.fobsurl = `${url}icon-04.png`
                        break;
                    case '商业培训':
                        obj.fobsurl = `${url}icon-05.png`
                        break;
                    case '面料设计':
                        obj.fobsurl = `${url}icon-07.png`
                        break;
                    case '平面设计':
                        obj.fobsurl = `${url}icon-03.png`
                        break;
                    default:
                        obj.fobsurl = `${url}default.jpg`
                        break;
                }
                this.setData({
                    emptyImage: obj
                })
            }

        }
    },
    /**
     * 组件的初始数据
     */
    data: {
        emptyImage: {},
    },

    /**
     * 组件的方法列表
     */
    methods: {
        /* 预览图片 */
        viewImage(e) {
            let {
                images,
                index
            } = e.currentTarget.dataset,
                urls = [];
            for (let i = 0; i < images.length; i++) {
                urls.push(images[i].fobsurl)
            }
            wx.previewImage({
                current: urls[index],
                urls
            })
        },
        eviewImage(e) {
            let arr = [e.currentTarget.dataset.url]
            wx.previewImage({
                current: arr[0],
                urls: arr
            })
        },
    }
})