<p>你好你好你好</p>
<p>你好你好你好</p>
<p>你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好</p>
<script language=javascript>
var obj=document.getElementsByTagName("P")
var str;
for(var i=0;i<obj.length;i++)
{
re=/^(\s*)([^\s])/
obj[i].innerText=obj[i].innerText.replace(re," $2");
}
</script>
<p>你好你好你好</p>
<p>你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好</p>
<script language=javascript>
var obj=document.getElementsByTagName("P")
var str;
for(var i=0;i<obj.length;i++)
{
re=/^(\s*)([^\s])/
obj[i].innerText=obj[i].innerText.replace(re," $2");
}
</script>
p
{
text-indent:2em;
}
</style>
<body>
<p>你好你好你好</p>
<p>你好你好你好</p>
<p>你好你好你好</p>
</body>
如果是textarea,不好办,当用户上一段刚好到结尾的时候,下面这段又顶头写,这个和正常一段里没什么区别,我们没办法判断这是另起了一段啊。