<div class="btn-group btn-group-sm">
    <a class="btn btn-alt-secondary" href="javascript:;" data-insert="Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)" data-target="#<?php echo $dataTarget;?>" data-mode="replace">百度蜘蛛</a>
    <a class="btn btn-alt-secondary" href="javascript:;" data-insert="Mozilla/5.0 (Linux;u;Android 4.2.2;zh-cn;) AppleWebKit/534.46 (KHTML,like Gecko) Version/5.1 Mobile Safari/10600.6.3 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html）" data-target="#<?php echo $dataTarget;?>" data-mode="replace">百度移动蜘蛛</a>
    <a class="btn btn-alt-light" href="javascript:;" data-insert="Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727)" data-target="#<?php echo $dataTarget;?>" data-mode="replace">普通浏览器</a>
    <a class="btn btn-alt-primary" href="javascript:;" data-insert="Mozilla/5.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit/600.1.3 (KHTML, like Gecko) Version/8.0 Mobile/12A4345d Safari/600.1.4" data-target="#<?php echo $dataTarget;?>" data-mode="replace">iPhone 6</a>
    <a class="btn btn-alt-primary" href="javascript:;" data-insert="Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 5 Build/JOP40D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19" data-target="#<?php echo $dataTarget;?>" data-mode="replace">Nexus 5</a>
</div>