关于textarea 中处理回车的问题
$message = nl2br($POST['message']);
然后存入数据库的
但是用户在编辑内容的时候，编辑框是textarea 这个时候显示的就是：
abc
def
怎么样能让用户编辑的时候，textarea 中显示：
abc
def
编辑框我是这样显示的：
------解决方案--------------------
换为"\n"
一般建议，原字符串入库，，网页呈现的时候，才nl2br
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