protected void Button1_Click(object sender, EventArgs e) //写入Cookie
{
HttpCookie cookie = new HttpCookie("Info");//定义cookie对象以及名为Info的项
DateTime dt = DateTime.Now;//定义时间对象
TimeSpan ts = new TimeSpan(1, 0, 0, 0);//cookie有效作用时间，具体查msdn
cookie.Expires = dt.Add(ts);//添加作用时间
cookie.Values.Add("user", "cxbkkk");//增加属性
cookie.Values.Add("userid", "1203");
Response.AppendCookie(cookie);//确定写入cookie中
}
protected void Button2_Click(object sender, EventArgs e)//读取Cookie
{
if (Request.Cookies["Info"] != null)
{
string temp = Convert.ToString(Request.Cookies["Info"].Values["user"]) + " " + Convert.ToString(Request.Cookies["Info"].Values["userid"]);
//读全部就用Request.Cookies["Info"].Value)
if (temp == "")
{
Response.Write("空");
}
else
Response.Write(temp);
}
else
{
Response.Write("无cookie");
}
}
protected void Button3_Click(object sender, EventArgs e) //修改Cookie
{
Response.Cookies["Info"]["user"] = "2";
Response.Cookies["Info"].Expires = DateTime.Now.AddDays(1);
}
protected void Button4_Click(object sender, EventArgs e)//删除Cookie
{
// 删除cookie下的属性
HttpCookie acookie = Request.Cookies["Info"];
acookie.Values.Remove("userid");
acookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(acookie);
//删除所有cookie，就是设置过期时间为现在就行了
int limit = Request.Cookies.Count - 1;
for (int i = 0; i < limit; i++)
{
acookie = Request.Cookies[i];
acookie.Expires = DateTime.Now.AddDays(-1);
Response.Cookies.Add(acookie);
} // 这下不用到处找了
}
每个页面下面放以下代码
<script src="http://www.cnblogs.com/clicktotal.aspx?proid=247"></script>
//写入cookie 点击率
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class clicktotal : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
this.clickfun();
}
//写入cookie
private void writeCookie(string strId)
{
if (Request.Cookies["pp"] != null)
{
string temp = Convert.ToString(Request.Cookies["pp"].Values["id"]);
if (temp.IndexOf(strId) >-1)//判断是否出现过
{
temp = temp.Replace(strId, "");
temp += strId + "";
}
else
{
temp += strId + "";
}
Response.Cookies["pp"]["id"] = temp;
Response.Cookies["pp"].Expires = DateTime.Now.AddDays(1);
}
else
{
HttpCookie cookie = new HttpCookie("pp");//定义cookie对象以及名为Info的项
DateTime dt = DateTime.Now;//定义时间对象
TimeSpan ts = new TimeSpan(1, 0, 0, 0);//cookie有效作用时间，具体查msdn
cookie.Expires = dt.Add(ts);//添加作用时间
cookie.Values.Add("id", strId);//增加属性
Response.AppendCookie(cookie);//确定写入cookie中
}
}
private void clickfun()//获取商品点击率
{
if (Request["proid"] != null)
{
string strId = Request["proid"];
string strSql = "select top 1 * from product where id="+strId;
db d = new db();
DataTable dt = d.getDT(strSql);
int inTotal = 0;
if (dt.Rows.Count > 0)
{
if (dt.Rows[0]["totalHits"].ToString() != "")
{
inTotal = Convert.ToInt32(dt.Rows[0]["totalHits"]) + 1;
}
else
{
inTotal = 1;
}
strSql = "update product set totalHits="+inTotal+" where id="+strId;
d = new db();
int i=d.excuteSQL(strSql);
}
//设置cookie
this.writeCookie(strId+"|");
//设置cookie结束
}
Response.Write("document.write(\"\")");
}
}
//获取cookie值
private string getcookie()
{
string strReturn = "";
if (Request.Cookies["pp"] != null)
{
string temp = Convert.ToString(Request.Cookies["pp"].Values["id"]);
//读全部就用Request.Cookies["Info"].Value)
if (temp != "")
{
strReturn = temp;
}
}
return strReturn;
}
string str = this.getcookie();//获取cookie值
// Response.Write(""+str+"");
Response.Write( this.cchtml(str) );
}
//生成html并返回
private string cchtml(string str)
{
string strReturn="";
if (str != "")
{
string strShow = "<div id='left3'><div class='span'>你最近浏览的商品</div>";
strShow += "<dl>";
string[] arra = str.Split('|');//截取内字符
//for (int i = 0; i < arra.Length; i++)
if (arra.Length < 6)
{
for (int i = arra.Length - 1; i >= 0; i--)
{
if (arra[i] != "")
{
string strSql = "select * from product where id=" + arra[i].ToString();
db d = new db();
DataTable dt = d.getDT(strSql);
if (dt.Rows.Count > 0)
{
// strShow += "<dt><a href='" + this.strRoot(arra[i].ToString()) + "/" + dt.Rows[0]["proFname"] + ".htm'><img src='" + webUrl + "/img/produce.gif' alt='" + dt.Rows[0]["proCname"] + "' border='0' /></a></dt>";
strShow += "<dd><a href='" + this.strRoot(arra[i].ToString()) + "/" + dt.Rows[0]["proFname"] + ".htm'>" + dt.Rows[0]["proCname"] + "</a></dd>";
}
}
}
}
else
{
int i, j;
for (i = 0; i < arra.Length; i++)
for (j = i + 1; j < arra.Length; j++)
{
string t = arra[i];
arra[i] = arra[j];
arra[j] = t;
}
for (i = 0; i < 6; i++)
{
if (arra[i] != "")
{
string strSql = "select * from product where id=" + arra[i].ToString();
db d = new db();
DataTable dt = d.getDT(strSql);
if (dt.Rows.Count > 0)
{
strShow += "<dd><a href='" + this.strRoot(arra[i].ToString()) + "/" + dt.Rows[0]["proFname"] + ".htm'>" + dt.Rows[0]["proCname"] + "</a></dd>";
}
}
}
}
strShow += "</dl>";
strShow += "</div>";
strReturn = strShow;
}
else
{
string strShow = "<div id='left3'><div class='span'>你最近浏览的商品</div><dl>";
strShow += "<dd> 您暂时没有浏览任何产品或cookie未正确启用</dd>";
strShow += "</dl></div>";
strReturn = strShow;
}
return strReturn;
}
///设置cookie
function setCookie(NameOfCookie, value, expiredays) {
var ExpireDate = new Date();
ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
document.cookie = NameOfCookie + "=" + escape(value) + ((expiredays == null) ? "": "; expires=" + ExpireDate.toGMTString());
}
///获取cookie值
function getCookie(NameOfCookie) {
if (document.cookie.length > 0) {
begin = document.cookie.indexOf(NameOfCookie + "=");
if (begin != -1) {
begin += NameOfCookie.length + 1;
end = document.cookie.indexOf(";", begin);
if (end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(begin, end));
}
}
return null;
}
///删除cookie
function delCookie(NameOfCookie) {
if (getCookie(NameOfCookie)) {
document.cookie = NameOfCookie + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
}