实现效果
图片以Y轴进行上下浮动
实现代码
            
            
              html
              
              
            
          
          <template>
	<view class="header">
	
		<view class="image-center">
			<image src="../../static/image/index_center.png" class="centers"></image>
		</view>
	</view>
</template>
<script setup>
</script>
<style lang="scss" scoped>
	.header {
		.image-center {
			width: 600rpx;
			height: 400rpx;
			.centers {
				width: 100%;
				height: 100%;
				animation: float 4s ease-in-out infinite;
				/* 控制动画的速度、时间、迭代次数等 */
			}
			@keyframes float {
				0% {
					transform: translateY(0);
				}
				50% {
					transform: translateY(-40rpx);
				}
				100% {
					transform: translateY(0);
				}
			}
		}
	}
</style>