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132 lines
2.6 KiB
132 lines
2.6 KiB
4 years ago
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<template>
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<view class="banner-swiper-box">
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<canvas canvas-id="colorThief" class="hide-canvas"></canvas>
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<swiper class="banner-carousel Shop-selector-rect" circular @change="swiperChange" :autoplay="true">
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<swiper-item v-for="(item, index) in detail" :key="index" class="carousel-item">
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<image class="swiper-image " :src="item.pic" @click="goRoll(item)" mode="widthFix" lazy-load>
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</image>
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</swiper-item>
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</swiper>
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<view class="banner-swiper-dots">
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<text :class="swiperCurrent === index ? 'banner-dot-active' : 'banner-dot'" v-for="(dot, index) in detail.length"
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:key="index"></text>
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</view>
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</view>
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</template>
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<script>
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import colorThief from 'miniapp-color-thief';
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export default {
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data() {
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return {
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swiperCurrent: 0, //轮播下标
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webviewId: 0,
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};
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},
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props: {
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detail: {
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type: Array,
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default: []
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}
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},
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created: async function() {
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await this.doColorThief();
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},
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computed: {},
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methods: {
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async doColorThief() {
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let that = this;
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// 获取轮播图
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let item = this.detail[this.swiperCurrent];
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// 获取轮播图颜色
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let bgcolor = item.color;
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// 颜色不存在
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if (!bgcolor) {
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that.$set(item, 'bgcolor', '#c40414');
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that.$emit('getbgcolor', '#c40414');
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} else {
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that.$set(item, 'bgcolor', bgcolor);
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that.$emit('getbgcolor', bgcolor);
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}
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},
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swiperChange(e) {
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this.swiperCurrent = e.detail.current;
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this.doColorThief();
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let bgcolor = this.detail[this.swiperCurrent].bgcolor;
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this.$emit('getbgcolor', bgcolor);
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},
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// 路由跳转
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goRoll(item) {
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if (item.uniapp_url) {
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this.$yrouter.push(item.uniapp_url)
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}
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},
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}
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}
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</script>
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<style lang="less">
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// 轮播
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.banner-swiper-box {
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background: #fff;
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}
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.banner-swiper-box,
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.banner-carousel {
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width: 750rpx;
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height: 350upx;
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position: relative;
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.carousel-item {
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width: 100%;
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height: 100%;
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// padding: 0 28upx;
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overflow: hidden;
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}
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.swiper-image {
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width: 100%;
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height: 100%;
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// border-radius: 10upx;
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// background: #ccc;
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}
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}
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.banner-swiper-dots {
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display: flex;
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position: absolute;
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left: 50%;
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transform: translateX(-50%);
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bottom: 20rpx;
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z-index: 5;
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.banner-dot {
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width: 14rpx;
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height: 14rpx;
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background: rgba(255, 255, 255, 1);
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border-radius: 50%;
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margin-right: 10rpx;
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}
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.banner-dot-active {
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width: 14rpx;
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height: 14rpx;
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background: #a8700d;
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border-radius: 50%;
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margin-right: 10rpx;
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}
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}
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.hide-canvas {
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position: fixed !important;
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top: -99999upx;
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left: -99999upx;
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z-index: -99999;
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}
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</style>
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