如何使用Cookie

raymond418 2009-03-25 10:09:14

我刚学asp.net，请问如何使用Cookie实现某一个用户登录后显示上次访问时间以及访问次数?麻烦写下关键代码，谢谢

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hongcha99 2009-03-25

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[Quote=引用 2 楼 Zhanlixin 的回复:]
protected void Button1_Click(object sender, EventArgs e)
{
Response.Cookies["LastTime"].Value = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
Response.Cookies["LastTime"].Expires = DateTime.Now.AddDays(60);
int intTotTimes = 0;
if (Request.Cookies["TotTimes"] != null)
{
intTotTimes = Convert.ToInt16(Request.Cookies["TotTimes…
[/Quote]

不错，给我点分

我是菜鸟！！！ 2009-03-25

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学习～

wsqjg 2009-03-25

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给你发一个通用的方法。
/// <summary>
/// 写cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <param name="strValue">值</param>
public static void WriteCookie(string strName, string strValue)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie.Value = strValue;
HttpContext.Current.Response.AppendCookie(cookie);

}

/// <summary>
/// 写cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <param name="strValue">值</param>
/// <param name="expires">过期时间(分钟)</param>
public static void WriteCookie(string strName, string strValue, int expires)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
if (cookie == null)
{
cookie = new HttpCookie(strName);
}
cookie.Value = strValue;
cookie.Expires = DateTime.Now.AddMinutes(expires);
HttpContext.Current.Response.AppendCookie(cookie);

}

/// <summary>
/// 读cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <returns>cookie值</returns>
public static string GetCookie(string strName)
{
if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null)
{
return HttpContext.Current.Request.Cookies[strName].Value.ToString();
}

return "";
}

tsp860901 2009-03-25

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。。。。。

goodluckalong 2009-03-25

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2楼正解

diershi 2009-03-25

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偶也是初学者，来学习下！！

liudanking 2009-03-25

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Zhanlixin 2009-03-25

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protected void Button1_Click(object sender, EventArgs e)
{
Response.Cookies["LastTime"].Value = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
Response.Cookies["LastTime"].Expires = DateTime.Now.AddDays(60);
int intTotTimes = 0;
if (Request.Cookies["TotTimes"] != null)
{
intTotTimes = Convert.ToInt16(Request.Cookies["TotTimes"].Value); ;
}
intTotTimes = intTotTimes + 1;
Response.Cookies["TotTimes"].Value = intTotTimes.ToString();
Response.Cookies["TotTimes"].Expires = DateTime.Now.AddDays(60);

}

protected void Button2_Click(object sender, EventArgs e)
{
if (Request.Cookies["LastTime"] != null)
{
this.TextBox1.Text = Request.Cookies["LastTime"].Value;
}
if (Request.Cookies["TotTimes"] != null)
{
this.TextBox2.Text = Request.Cookies["TotTimes"].Value;
}

}

hongcha99 2009-03-25