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sjk
159
miniprogram/components/goods-card/index.js
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159
miniprogram/components/goods-card/index.js
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Component({
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options: {
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addGlobalClass: true,
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},
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externalClasses: ['wr-class'],
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properties: {
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id: {
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type: String,
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value: '',
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observer(id) {
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this.genIndependentID(id);
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if (this.properties.thresholds?.length) {
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this.createIntersectionObserverHandle();
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}
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},
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},
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data: {
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type: Object,
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observer(data) {
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if (!data) {
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return;
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}
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let isValidityLinePrice = true;
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if (data.originPrice && data.price && data.originPrice < data.price) {
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isValidityLinePrice = false;
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}
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this.setData({ goods: data, isValidityLinePrice });
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},
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},
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currency: {
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type: String,
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value: '¥',
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},
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showCart: {
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type: Boolean,
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value: true,
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},
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thresholds: {
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type: Array,
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value: [],
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observer(thresholds) {
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if (thresholds && thresholds.length) {
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this.createIntersectionObserverHandle();
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} else {
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this.clearIntersectionObserverHandle();
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}
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},
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},
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},
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data: {
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independentID: '',
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goods: { id: '' },
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isValidityLinePrice: false,
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},
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lifetimes: {
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attached() {
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// 组件实例被放到页面节点树后执行
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},
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ready() {
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this.init();
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},
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detached() {
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this.clear();
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},
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},
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observers: {
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'goods.thumb': function(thumb) {
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// 图片URL变化监听
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}
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},
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pageLifeTimes: {},
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methods: {
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clickHandle() {
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this.triggerEvent('click', { goods: this.data.goods });
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},
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clickThumbHandle() {
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this.triggerEvent('thumb', { goods: this.data.goods });
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},
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addCartHandle(e) {
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const { id } = e.currentTarget;
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const { id: cardID } = e.currentTarget.dataset;
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this.triggerEvent('add-cart', {
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...e.detail,
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id,
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cardID,
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goods: this.data.goods,
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});
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},
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handleImageError(e) {
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console.warn('商品卡片图片加载失败:', e.detail);
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// 可以在这里设置默认图片或其他错误处理逻辑
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},
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genIndependentID(id) {
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let independentID;
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if (id) {
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independentID = id;
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} else {
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independentID = `goods-card-${~~(Math.random() * 10 ** 8)}`;
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}
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this.setData({ independentID });
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},
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init() {
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const { thresholds, id } = this.properties;
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this.genIndependentID(id);
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if (thresholds && thresholds.length) {
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this.createIntersectionObserverHandle();
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}
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},
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clear() {
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this.clearIntersectionObserverHandle();
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},
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intersectionObserverContext: null,
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createIntersectionObserverHandle() {
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if (this.intersectionObserverContext || !this.data.independentID) {
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return;
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}
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this.intersectionObserverContext = this.createIntersectionObserver({
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thresholds: this.properties.thresholds,
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}).relativeToViewport();
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this.intersectionObserverContext.observe(
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`#${this.data.independentID}`,
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(res) => {
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this.intersectionObserverCB(res);
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},
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);
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},
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intersectionObserverCB() {
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this.triggerEvent('ob', {
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goods: this.data.goods,
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context: this.intersectionObserverContext,
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});
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},
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clearIntersectionObserverHandle() {
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if (this.intersectionObserverContext) {
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try {
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this.intersectionObserverContext.disconnect();
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} catch (e) {}
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this.intersectionObserverContext = null;
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}
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},
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},
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});
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8
miniprogram/components/goods-card/index.json
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8
miniprogram/components/goods-card/index.json
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{
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"component": true,
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"usingComponents": {
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"price": "/components/price/index",
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"t-icon": "tdesign-miniprogram/icon/icon",
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"t-image": "/components/webp-image/index"
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}
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}
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72
miniprogram/components/goods-card/index.wxml
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72
miniprogram/components/goods-card/index.wxml
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<view
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id="{{independentID}}"
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class="goods-card wr-class"
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bind:tap="clickHandle"
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data-goods="{{ goods }}"
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>
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<view class="goods-card__main">
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<view class="goods-card__thumb" bind:tap="clickThumbHandle">
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<t-image
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wx:if="{{ !!goods.thumb }}"
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t-class="goods-card__img"
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src="{{ goods.thumb }}"
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mode="aspectFill"
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lazy-load
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bind:error="handleImageError"
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/>
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<!-- 售罄遮罩 -->
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<view wx:if="{{ !goods.isStock }}" class="goods-card__soldout">
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<text class="goods-card__soldout-text">售罄</text>
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</view>
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</view>
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<view class="goods-card__body">
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<view class="goods-card__upper">
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<view wx:if="{{ goods.title }}" class="goods-card__title">
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{{ goods.title }}
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</view>
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<view wx:if="{{ goods.specs }}" class="goods-card__specs">
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{{ goods.specs }}
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</view>
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<view wx:if="{{ goods.tags && !!goods.tags.length }}" class="goods-card__tags">
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<view
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wx:for="{{ goods.tags }}"
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wx:key="index"
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wx:for-item="tag"
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class="goods-card__tag"
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data-index="{{index}}"
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>
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{{tag}}
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</view>
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</view>
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</view>
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<view class="goods-card__down">
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<price
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wx:if="{{ goods.price }}"
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wr-class="spec-for-price"
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symbol-class="spec-for-symbol"
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symbol="{{currency}}"
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price="{{goods.price}}"
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/>
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<price
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wx:if="{{ goods.originPrice && isValidityLinePrice }}"
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wr-class="goods-card__origin-price"
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symbol="{{currency}}"
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price="{{goods.originPrice}}"
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type="delthrough"
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/>
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<t-icon
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wx:if="{{showCart}}"
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class="goods-card__add-cart"
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prefix="wr"
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name="cartAdd"
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id="{{independentID}}-cart"
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data-id="{{independentID}}"
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catchtap="addCartHandle"
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size="48rpx"
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color="#FA550F"
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/>
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</view>
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</view>
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</view>
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</view>
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166
miniprogram/components/goods-card/index.wxss
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166
miniprogram/components/goods-card/index.wxss
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.goods-card {
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box-sizing: border-box;
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font-size: 24rpx;
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border-radius: 0 0 16rpx 16rpx;
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border-bottom: none;
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}
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.goods-card__main {
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position: relative;
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display: flex;
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line-height: 1;
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padding: 0;
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background: transparent;
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width: 333rpx;
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border-radius: 0 0 16rpx 16rpx;
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align-items: center;
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justify-content: center;
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margin-bottom: 16rpx;
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flex-direction: column;
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}
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.goods-card__thumb {
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flex-shrink: 0;
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position: relative;
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width: 333rpx;
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height: 333rpx;
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}
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.goods-card__thumb:empty {
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display: none;
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margin: 0;
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}
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.goods-card__img {
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display: block;
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width: 100%;
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height: 100%;
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border-radius: 16rpx 16rpx 0 0;
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overflow: hidden;
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}
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.goods-card__body {
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display: flex;
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flex: 1 1 auto;
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background: #fff;
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border-radius: 0 0 16rpx 16rpx;
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padding: 16rpx 16rpx 18rpx;
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flex-direction: column;
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width: 333rpx;
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box-sizing: border-box;
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}
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.goods-card__upper {
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display: flex;
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flex-direction: column;
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overflow: hidden;
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flex: 1 1 auto;
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}
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.goods-card__title {
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flex-shrink: 0;
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font-size: 28rpx;
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color: #333;
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font-weight: 400;
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display: -webkit-box;
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height: 72rpx;
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-webkit-box-orient: vertical;
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-webkit-line-clamp: 2;
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overflow: hidden;
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word-break: break-word;
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line-height: 36rpx;
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}
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.goods-card__specs {
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flex-shrink: 0;
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font-size: 24rpx;
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color: #999;
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margin-top: 8rpx;
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line-height: 32rpx;
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overflow: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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}
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.goods-card__tags {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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margin: 8rpx 0 0 0;
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}
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.goods-card__tag {
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color: #fa4126;
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background: transparent;
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font-size: 20rpx;
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border: 1rpx solid #fa4126;
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padding: 0 8rpx;
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border-radius: 16rpx;
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line-height: 30rpx;
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margin: 0 8rpx 8rpx 0;
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display: block;
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overflow: hidden;
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white-space: nowrap;
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word-break: keep-all;
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text-overflow: ellipsis;
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}
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.goods-card__down {
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display: flex;
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position: relative;
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flex-direction: row;
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justify-content: flex-start;
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align-items: baseline;
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line-height: 32rpx;
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margin: 8rpx 0 0 0;
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}
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.goods-card__origin-price {
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white-space: nowrap;
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font-weight: 700;
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order: 2;
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color: #bbbbbb;
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font-size: 24rpx;
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margin: 0 0 0 8rpx;
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}
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.goods-card__add-cart {
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order: 3;
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margin: auto 0 0 auto;
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position: absolute;
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bottom: 0;
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right: 0;
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}
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.spec-for-price {
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font-size: 36rpx;
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white-space: nowrap;
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font-weight: 700;
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order: 1;
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color: #fa4126;
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margin: 0;
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}
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.spec-for-symbol {
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font-size: 24rpx;
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}
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/* 售罄遮罩样式 */
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.goods-card__soldout {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.6);
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display: flex;
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align-items: center;
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justify-content: center;
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border-radius: 16rpx 16rpx 0 0;
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}
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.goods-card__soldout-text {
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color: #fff;
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font-size: 32rpx;
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font-weight: bold;
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}
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