有哪位大虾可以帮忙解释一下这几句代码,会有什么样的效果啊?
<%@ OutputCache Duration="5" Location="Server" VaryByParam="*" %>
protected void Page_Load(object sender, EventArgs e)
{
Response.Cache.SetExpires(DateTime.Now.AddSeconds(3));
//打开可调用期
Response.Cache.SetSlidingExpiration(true);
Label1.Text = DateTime.Now.ToLongTimeString();
}
<%@ OutputCache Duration="5" Location="Server" VaryByParam="*" %>
protected void Page_Load(object sender, EventArgs e)
{
Response.Cache.SetExpires(DateTime.Now.AddSeconds(3));
//打开可调用期
Response.Cache.SetSlidingExpiration(true);
Label1.Text = DateTime.Now.ToLongTimeString();
}
页面使用Cache,Cache的有效期为5 seconds
protected void Page_Load(object sender, EventArgs e)
{
Response.Cache.SetExpires(DateTime.Now.AddSeconds(3));
告诉Cache Manager,页面的有效期为当前时间+3秒
Response.Cache.SetSlidingExpiration(true);
Label1.Text = DateTime.Now.ToLongTimeString();
}