把商品Id累加到cookie的value
/// <summary>
/// 最近浏览过的商品
/// </summary>
/// <returns></returns>
protected string GetRecentBrowsing()
{
StringBuilder sb = new StringBuilder();
if (Request.Cookies["only"] != null)
{
//拆分cookie的值，取到浏览过的商品id
string[] ntw=Request.Cookies["only"].Value.Split(',');
int j = 0;
for (int i =ntw.Length; i >= 1; i--)
{
if (j > 10) break;
Rjob rjob = new Rjob();
DataTable djob = rjob.GetDataTable("c_job", ntw[i-1]);
if (djob.Rows.Count > 0)
{
sb.Append("<li>");
sb.AppendFormat("<p><span class=\"cor\">▪ </span><a title=\"{0}\" href=\"{1}\">{0}</a></p>", djob.Rows[0]["position"].ToString(), rooturl + "job/index.aspx?pid=" + Convert.ToInt32(djob.Rows[0]["id"].ToString()));
sb.Append("</li>");
}
j++;
}
}
return sb.ToString();
}
/// <summary>
/// 写入cookie
/// </summary>
/// <param name="name">cookie名字</param>
/// <param name="value">cookie值</param>
protected void writeCookie(string name, string value)
{
if (Request.Cookies[name] == null) //第一次写cookie
{
HttpCookie aCookie = new HttpCookie(name);
aCookie.Value = value + ",";
aCookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(aCookie);
}
else
{
//判断商品id
if (Request.QueryString["pid"] != null && Request.QueryString["pid"] != "")
{
//判断现有cookie值是否包含当前商品，如果不包含就累加
if (!Request.Cookies[name].Value.Contains(Request.QueryString["pid"].ToString() + ","))
{
Request.Cookies[name].Value += value + ",";
Request.Cookies[name].Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(Request.Cookies[name]);
}
}
}
}
/// <summary>
/// 读cookie
/// </summary>
/// <returns>cookie值</returns>
protected string readCookie(string name)
{
string cookie = string.Empty;
if (Request.Cookies[name] != null)
{
cookie = Request.Cookies[name].Value;
}
return cookie;
}