在父元素中加style="text-align:center";
比如下面這樣
<head></head><body>????<div?style="width:300px;border:1px?red?solid;text-align:center;">????????<span?style="width:100px;">測試</span>????</div></body>轉載于:https://www.cnblogs.com/jphoebe/p/6780873.html
)
