textarea里显示换行

用的MAC 系统

1. 在JS内将\n 替换成

var reg=new RegExp("\n","g");

content= content.replace(reg,"
");

2. 存入数据库后拿出， 用PHP将
替换成\n

$search = "
";

$replace = "\n"; 

$content = str_replace($search,$replace,$content);