设置span的宽度并且是文字均匀沾满span标签
设置宽度
<span style="width=100px; display: inline-block;">dddd</span>
沾满标签
<span style="width: 100px; display: inline-block; text-align-last: justify;"> dddd</span>
<span style="width=100px; display: inline-block;">dddd</span>
<span style="width: 100px; display: inline-block; text-align-last: justify;"> dddd</span>
