标签控制textarea输入的文字显示格式

<style type="text/css">
pre {
 white-space: pre-wrap;       /* css-3 */
 white-space: -moz-pre-wrap !important;  /* Mozilla, since 1999 */
 white-space: -pre-wrap;      /* Opera 4-6 */
 white-space: -o-pre-wrap;    /* Opera 7 */
 word-wrap: break-word;       /* Internet Explorer 5.5+ */
}
</style>

 

<pre style="width: 580;margin-top: 0px;">内容，能换行，空格也能显示。</pre>