<view @click="switchPrev"><text>上一張</text>
</view>
<view @click="switchNext"><text>下一張</text>
</view>
<swiper class="swiper" circular :current="current">
data() {return {current: 0}
},
methods: {/* this.current < 5 5代表swiper-item的數量 */switchNext() {if(this.current < 5){this.current = ++this.current; // 通過改變current，自動切換}else{this.current = 0}},switchPrev() {if(this.current > 0){this.current = --this.current; // 通過改變current，自動切換}else{this.current = 5}},
}