方法:给当前标签增加样式 style="cursor:pointer;"
style="cursor:pointer;"
eg:增加返回箭头样式,给箭头增加小手 <span onclick="go_back()" class="glyphicon glyphicon-chevron-left" style="cursor:pointer;padding-right:5px;"></span>
<span onclick="go_back()" class="glyphicon glyphicon-chevron-left" style="cursor:pointer;padding-right:5px;"></span>