csharp
              
              
            
          
          <view class="item-bottom">
<template v-for="(it, index) in item.train" >
			<image class="item-img-box" @click="preImg(item.train, index)" :key="index" v-show="index < 4" :src="it.fileDomain + it.filePath"></image>
		</template>
		<view v-if="item.train.length > 4" class="item-img-num" >
			<view>
				+{{ item.train.length - 4 }}
			</view>
		</view>
	</view>
        
            
            
              scss
              
              
            
          
          .item-bottom {
	border-radius: 8rpx;
	display: flex;
	position: relative;
	&> .item-img-box:last-child {
		margin-right: unset;
	}
	.item-img-box {
		margin-right: 20rpx;
		width: 154rpx;
		height: 154rpx;
		border-radius: 6rpx;
		overflow: hidden;
		image {
			
			width: 100%;
			height: 100%;
		}
	}
	.item-img-num {
		position: absolute;
		border-radius: 6rpx;
		overflow: hidden;
		right: 6rpx;
		width: 154rpx;
		height: 154rpx;
		text-align: center;
		line-height: 154rpx;
		background-color: rgba(0,0,0,0.44);
		color: rgba(255,255,255,1);
	}
}