新建组建

<template>
	<view>
		<movable-area class="mymovable">
			<movable-view direction="all" class="mymovableview"><view class="backMindex" @click="backMindex" draggable="true">返回首页</view></movable-view>
		</movable-area>
	</view>
</template>

<script>
export default {
	data() {
		return {};
	},
	methods: {
		backMindex: function() {
			uni.redirectTo({
				url: \'/pages/index/index\'
			});
		}
	}
};
</script>

<style>
.mymovable {
	z-index: 90000000;
	pointer-events: none;
	height: 100%;
	width: 100%;
	position: fixed;
	left: 0px;
	top: 0px;
}

.mymovableview {
	pointer-events: auto;
	width: 140upx;
	height: 140upx;
	line-height: 140upx;
	font-size: 24upx;
	-webkit-border-radius: 140upx;
	-moz-border-radius: 140upx;
	border-radius: 140upx;
	background: #fc5054;
	color: #fff;
	text-align: center;
	top: auto;
	left: auto;
	bottom: 100upx;
	right: 20upx;
	-webkit-box-shadow: 2px 2px 2px #f2f2f2;
	-moz-box-shadow: 2px 2px 2px #f2f2f2;
	box-shadow: 2px 2px 2px #f2f2f2;
}
</style>

引用页面

<template>
	<view>
		<back-home></back-home>
	</view>
</template>
<script>
import backHome from \'../../components/back-home.vue\';
export default {
	components: {
		backHome
	}
}
</script>