modify: 优化 swiper 示例

examples/hello-uniapp/pages/component/swiper/swiper.vue

@@ -4,7 +4,7 @@
 		<view class="uni-padding-wrap">
 			<view class="page-section swiper">
 				<view class="page-section-spacing">
-					<swiper :indicator-dots="indicatorDots" :autoplay="autoplay" :interval="interval" :duration="duration">
+					<swiper class="swiper" :indicator-dots="indicatorDots" :autoplay="autoplay" :interval="interval" :duration="duration">
 						<swiper-item>
 							<view class="swiper-item uni-bg-red">A</view>
 						</swiper-item>
@@ -74,6 +74,9 @@
 </script>
 
 <style>
+	.swiper {
+		height: 300upx;
+	}
 	.swiper-item {
 		display: block;
 		height: 300upx;