/// <summary>
/// 得到站點用戶IP
/// </summary>
/// <returns></returns>
public static string getUserIP()
{
return HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
}
/// <summary>
/// 去除字符串最後一個','號
/// </summary>
/// <param name="chr">:要做處理的字符串</param>
/// <returns>返回已處理的字符串</returns>
public static string Lost(string chr)
{
if (chr == null || chr == string.Empty)
{
return "";
}
else
{
chr = chr.Remove(chr.LastIndexOf(","));
return chr;
}
}
/// <summary>
/// 去除字符串第一個'/'號
/// </summary>
/// <param name="chr">要做處理的字符串</param>
/// <returns>返回已處理的字符串</returns>
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;
}
/// <summary>
/// 替換html中的特殊字符
/// </summary>
/// <param name="theString">需要進行替換的文本。</param>
/// <returns>替換完的文本。</returns>
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", "<br/> ");
return theString;
}
/// <summary>
/// 恢復html中的特殊字符
/// </summary>
/// <param name="theString">需要恢復的文本。</param>
/// <returns>恢復好的文本。</returns>
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("<br/> ", "\n");
return theString;
}
/// <summary>
/// 生成隨機數字
/// </summary>
/// <param name="length">生成長度</param>
/// <returns></returns>
public static string Number(int Length)
{
return Number(Length, false);
}
/// <summary>
/// 生成隨機數字
/// </summary>
/// <param name="Length">生成長度</param>
/// <param name="Sleep">是否要在生成前將當前線程阻止以避免重復</param>
/// <returns></returns>
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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