twong329/view/xcx/components/product-window/index.js

var app = getApp();

Component({
    properties: {
        iSplus: {
            type: Boolean,
            value: true
        },
        iSbnt: {
            type: Number,
            value: 0
        },
        limitNum: {
            type: Number,
            value: 0
        },
        attribute: {
            type: Object,
            value: {}
        },
        attrList: {
            type: Object,
            value: [],
        },
        productAttr: {
            type: Object,
            value: [],
        },
        productSelect: {
            type: Object,
            value: {
                image: '',
                store_name: '',
                price: 0,
                unique: '',
                stock: 0,
            }
        },
    },

    data: {
        attrValue: [],
        attrIndex: 0,
        isShow: false
    },

    attached: function () {
        let pages = getCurrentPages();
        let currPage = null;
        if (pages.length) {
            currPage = pages[pages.length - 1];
        }
        let route = currPage.route
        this.setData({
            isShow: route.indexOf("goods_details") !== -1
        });
    },

    methods: {
        /**
         * 购物车手动输入数量
         */
        bindCode: function (e) {
            this.triggerEvent('iptCartNum', e.detail.value);
        },

        close: function () {
            this.triggerEvent('myevent', {
                'window': false
            });
        },

        goCat: function () {
            this.triggerEvent('goCat');
        },

        CartNumDes: function () {
            this.triggerEvent('ChangeCartNum', false);
        },

        CartNumInt: function () {
            this.triggerEvent('ChangeCartNum', true);
        },

        tapAttr: function (e) {
            //父级index
            var indexw = e.currentTarget.dataset.indexw;
            //子集index
            var indexn = e.currentTarget.dataset.indexn;
            //每次点击获得的属性
            var attr = this.data.productAttr[indexw].attr_value[indexn];
            //设置当前点击属性
            this.data.productAttr[indexw].checked = attr['attr'];
            this.setData({
                productAttr: this.data.productAttr,
            });
            var value = this.getCheckedValue().sort().join(',');
            this.triggerEvent('ChangeAttr', value);
        },

        getCheckedValue: function () {
            return this.data.productAttr.map(function (attr) {
                return attr.checked;
            });
        },
        
        ResetAttr: function () {
            for (var k in this.data.productAttr) this.data.productAttr[k].checked = '';
            this.setData({
                productAttr: this.data.productAttr
            });
        },
    }
})