css英文自动换行

<div style="border:1px solid red;width:300px;word-wrap:break-word;">

网页编程技术网页编程技术网页编程技术网页编程技术网页编程技术网页编程技术网页编程技术adsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasadsadsadsdasads
</div>

重点：word-wrap:break-word;