/// <summary> /// 替换html中的特殊字符 /// </summary> /// <param name="theString">需要进行替换的文本。</param> /// <returns>替换完的文本。</returns> public string HtmlEncode(string theString) {      theString=theString.Replace(">", ">");      theString=theString.Replace("<", "<");      theString=theString.Replace("  ", "  ");      theString=theString.Replace("  ", "  ");      theString=theString.Replace("\"", """);      theString=theString.Replace("\'", "'");      theString=theString.Replace("\n", "<br/> ");      return theString; } /// <summary> /// 恢复html中的特殊字符 /// </summary> /// <param name="theString">需要恢复的文本。</param> /// <returns>恢复好的文本。</returns> public string HtmlDiscode(string theString) {      theString=theString.Replace(">", ">");      theString=theString.Replace("<", "<");      theString=theString.Replace(" "," ");      theString=theString.Replace("  ","  ");      theString=theString.Replace(""","\"");      theString=theString.Replace("'","\'");      theString=theString.Replace("<br/> ","\n");      return theString; }