数据库Text字段中，取出显示想让文本有段落，缩进等，就像我们写的文章一样有格式

1、文本.replace("\n","<br/>").replace(" ","&nbsp;&nbsp;");

经验证以上成功实现"\n"即”换行符“；

2、方法2：

oldStr=oldStr.Replace("<","&lt;");
oldStr=oldStr.Replace(">","&gt;");
oldStr=oldStr.Replace("\n","<br>");
oldStr=oldStr.Replace("\t"," &nbsp;&nbsp;&nbsp;");
oldStr=oldStr.Replace("\"","&quot;");