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asp.net常用函数收藏第1/2页
///

/// 得到站点用户IP ///

/// public static string getUserIP() { return HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString(); } ///

/// 去除字符串最后一个','号 ///

/// :要做处理的字符串 /// 返回已处理的字符串 public static string Lost(string chr) { if (chr == null || chr == string.Empty) { return ""; } else { chr = chr.Remove(chr.LastIndexOf(",")); return chr; } } ///

/// 去除字符串第一个'/'号 ///

/// 要做处理的字符串 /// 返回已处理的字符串 public static string lostfirst(string chr) { string flg = ""; if (chr != string.Empty || chr != null) { if (chr.Substring(0, 1) == "/") flg = chr.Replace(chr.Substring(0, 1), ""); else flg = chr; } return flg; } ///

/// 替换html中的特殊字符 ///

/// 需要进行替换的文本。 /// 替换完的文本。 public static 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", "
"); return theString; } ///

/// 恢复html中的特殊字符 ///

/// 需要恢复的文本。 /// 恢复好的文本。 public static 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("
", "\n"); return theString; } ///

/// 生成随机数字 ///

/// 生成长度 /// public static string Number(int Length) { return Number(Length, false); } ///

/// 生成随机数字 ///

/// 生成长度 /// 是否要在生成前将当前线程阻止以避免重复 /// public static string Number(int Length, bool Sleep) { if (Sleep) System.Threading.Thread.Sleep(3); string result = ""; System.Random random = new Random(); for (int i = 0; i < Length; i++) { result += random.Next(10).ToString(); } return result; }
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