<!-- nav操作视图 -->
<view class="nav-view rows rows-between">
	<view class="back-view" @click="navBack">
		<span class="iconfont icon-fanhui" style="margin-right:20rpx;font-size:34rpx;"></span>返回
	</view>
	<!-- 当前标题 -->
	<view class="nav-title">
		{{title || ''}}
	</view>
</view>