.ellipsis-cell {overflow: hidden;text-overflow: ellipsis;white-space: nowrap;
}.fixed-table {table-layout: fixed;
}
<table class="layui-table fixed-table" lay-size="sm"><colgroup><col><col width="80"><col width="60"><col width="80"><col width="100"></colgroup><thead><tr><th>文件名</th><th>大小</th><th>扩展名</th><th>上传进度</th><th>操作</th></tr></thead><tbody id="upload-files">{volist name="row.files_arr" id="vo"}<tr><td data-src="{$vo.src}" title="{$vo.name}" class="ellipsis-cell">{$vo.name}</td><td>{$vo.size}</td><td>{$vo.ext}</td><td><div class="layui-progress"><div class="layui-progress-bar" lay-percent="100%"></div></div></td><td><div class="layui-btn-group"><button type="button" class="layui-btn layui-btn-xs layui-btn-danger delete">删除</button><a href="{$vo.src}" target="_blank" class="layui-btn layui-btn-xs">查看</a></div></td></tr>{/volist}</tbody>
</table>
