复制代码代码如下:
<p>This is a paragraph <span>This is a paragraph</span>
This is a paragraph</p>
在一个td里，利用span控制复选框居左对齐：
复制代码代码如下:
<span class="topself_checkboxcontent"><input type="checkbox" class="topself_checkbox" value={{urole.id}} name=check checked=checked >{{urole.role}}</span>
