【Element】el-image 预览功能配置

<el-image
            :preview-teleported="true"
            v-for="img in item.imageList"
            style="width: 100%; height: auto"
            :src="img"
            :preview-src-list="item.imageList"
            fit="contain"
          />

处理数据

imgList.push(...res.rows);
    imgList.forEach((item: any) => {
      item.imageList = [item.image];
    });