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  • Asp.net 操作cookie大全

    实例代码:
      
    下面是写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 

    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(""); 
        } 
        else 
        Response.Write(temp); 
        } 
        else 
       { 
       Response.Write("error"); 
       } 

    修改cookie

    Response.Cookies["Info"]["user"] = "2"; 
       Response.Cookies["Info"].Expires = DateTime.Now.AddDays(1);

    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) 
       } 
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  • 原文地址:https://www.cnblogs.com/szytwo/p/2626107.html
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