DTCMS自定义标签，tags分割

/// <summary>
/// 自定义：分割tags
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
protected string cut_tags(string tags)
{
string str=string.Empty;
tags=tags.Replace("，","|").Replace(",","|");
string[] tag = tags.Split('|');
for(int i=0;i<tag.Length;i++)
{
str += "<a href=\"/search.html?tags=" + tag[i] + "\">";
str += tag[i];

str += "</a>";
}
return str;
}