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session看了一下，是可以保存对象的。语法很普通，但是cookie的话本身是只能保存string类型的信息的，这就需要先序列化，然后接收的页面反序列化后形成对象调用，为了防止乱码，需要在数据传输的时候加入编码格式，涉及到的DLL：Newtonsoft.Json.dll，一个帮助数据序列化成JSON 的组件，DEMO如下：
Student sessionStu = new Student(); sessionStu.sId = 001; sessionStu.sName = "水晶之恋"; Session["obj"] = sessionStu; Student cookieStu = new Student(); cookieStu.sId = 002; cookieStu.sName = "蚂蚁上树"; var res = JsonConvert.SerializeObject(cookieStu); HttpCookie cookie = new HttpCookie("cobj"); cookie.Value = HttpUtility.UrlEncode(res,Encoding.GetEncoding("UTF-8")); Response.Cookies.Add(cookie); Response.Redirect("SessionRes.aspx");
接收页面：
if(!IsPostBack) { Student resStu = Session["obj"] as Student; Response.Write("session:</br>"); Response.Write(resStu.sId.ToString() + "</br>"); Response.Write(resStu.sName.ToString() + "</br>"); var res = HttpUtility.UrlDecode(Request.Cookies["cobj"].Value, Encoding.GetEncoding("UTF-8")); var stu = JsonConvert.DeserializeObject<Student>(res); Student resStuCookie = stu; Response.Write("cookie:</br>"); Response.Write(resStuCookie.sId.ToString() + "</br>"); Response.Write(resStuCookie.sName.ToString() + "</br>"); }
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原文地址：http://www.cnblogs.com/llcdbk/p/5719078.html
