如何JS写入cookie asp.net来读取这个cookie

没用过，但是感觉应该js和.net利用session可以直接交互吧。
关注，学习

http://blog.csdn.net/ligaofeng/archive/2007/05/07/1599646.aspx

之前写了个示例，给你看看，希望对你有所帮助，给分吧，呵呵<%@ Page Language="C#" AutoEventWireup="true" CodeFile="cookie.aspx.cs" Inherits="easy_cookie" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>    <script language="javascript">

    //根据名称和参数读取cookie值

//
//    function GetCookie(name,params)
//    {
//      var originstr=document.cookie;
//      var tmp;
//      var reg=new RegExp("(?<=a=(\\w+?=\\w+?\&)*?ip=)\\w+(?=([&;])?)","gi");
//      tmp=reg.exec(originstr);
//      return tem;
//    }    function GetCookie(name)
    {
        m=document.cookie;
    re1=new RegExp("(?!\w)"+name+"=[^;]+","");
    re2=new RegExp("^"+name+"=","");
    try
    {

        var a=m.match(re1)[0];
    }
    catch(e)
    {
        return null
    }
    eval("var o="+a.replace(re2,"{").replace(/&/g,"',").replace(/=/g,":\'")+"'}");
    return o;
    }    function ReadCookie()
    {
      var var1=document.form1.txtName.value;
      document.form1.txtReadIP.value=GetCookie(document.form1.txtName.value).IP;
    }

    function WriteCookie()
    {
       document.cookie=document.form1.txtName.value+"=IP="+document.form1.txtIP.value;
    }
    function ClearCookie()
    {
       document.cookie="";
    }
    </script></head>
<body>
    <form id="form1" runat="server">
        <table border="0" cellpadding="0" cellspacing="0" width="778px">
            <tr>
                <td style="height: 100px; width: 778px;" align="center" valign="middle">
                    Cookie示例(对IP的操作)</td>
            </tr>
            <tr>
                <td align="center" style="width: 778px">
                    <br />
                       
                    <asp:Label ID="Label1" runat="server" Text="名称"></asp:Label>
                    <asp:TextBox ID="txtName" runat="server"></asp:TextBox><br />
                           
                    <asp:Label ID="Label2" runat="server" Text="IP"></asp:Label>
                    <asp:TextBox ID="txtIP" runat="server"></asp:TextBox><br />
                    <asp:Label ID="Label3" runat="server" Text="读取IP"></asp:Label>
                    <asp:TextBox ID="txtReadIP" runat="server"></asp:TextBox><br />
                </td>
            </tr>
            <tr>
                <td align="center" style="height: 25px; width: 778px;">
                    <br />
                    <br />
                    <asp:Button ID="btnRun" runat="server" Text="服务器设置Cookie" OnClick="Button1_Click" />
                    <asp:Button ID="btnGet" runat="server" Text="服务器读取Cookie" OnClick="Button2_Click"
                        Width="158px" />   <asp:Button ID="Button3" runat="server" Text="服务器清除Cookie"
                            OnClick="Button3_Click" />
                    <br />
                    <button type="button" onclick="WriteCookie()">
                        客户端设置Cookie</button> 
                    <button type="button" onclick="ReadCookie()">
                        客户端读取Cookie</button> 
                    <button type="button" onclick="ClearCookie()">
                        客户端清除Cookie</button><br />
                </td>
            </tr>
        </table>
    </form>
</body>
</html>cs代码：
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 easy_cookie : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {    }
    //写入
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (Request.Cookies[txtName.Text] == null)
        {
            HttpCookie cookie = new HttpCookie(txtName.Text);
            cookie["IP"] = txtIP.Text;
            Response.Cookies.Add(cookie);
        }
        else
        {
            Response.Cookies[txtName.Text]["IP"] = txtIP.Text;
           // Response.Write("<script>alert('已存在');</script>");
        }


    }
    //读取
    protected void Button2_Click(object sender, EventArgs e)
    {
        HttpCookie cookie = Request.Cookies[txtName.Text];
        if (cookie!=null)
        {
            txtReadIP.Text = cookie["IP"];
        }
    }
    //清除cookie
    protected void Button3_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < Request.Cookies.Count; i++)
        {
            HttpCookie cookie = Request.Cookies[i];
            cookie.Expires = DateTime.Now.AddDays(-1);
        }        //Response.Write(Request.Cookies.Count);
        // HttpCookie cookie = Request.Cookies;
        //cookie.Expires = DateTime.Now.Add(-1);
    }
}

重新发一下.<%@   Page   Language= "C# "   AutoEventWireup= "true "   CodeFile= "cookie.aspx.cs "   Inherits= "easy_cookie "   %> <!DOCTYPE   html   PUBLIC   "-//W3C//DTD   XHTML   1.0   Transitional//EN "   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html   xmlns= "http://www.w3.org/1999/xhtml ">
<head   runat= "server ">
        <title> 无标题页 </title>         <script   language= "javascript ">

        //根据名称和参数读取cookie值

//
//         function   GetCookie(name,params)
//         {
//             var   originstr=document.cookie;
//             var   tmp;
//             var   reg=new   RegExp( "(? <=a=(\\w+?=\\w+?\&)*?ip=)\\w+(?=([&;])?) ", "gi ");
//             tmp=reg.exec(originstr);
//             return   tem;
//         }         function   GetCookie(name)
        {
                m=document.cookie;
        re1=new   RegExp( "(?!\w) "+name+ "=[^;]+ ", " ");
        re2=new   RegExp( "^ "+name+ "= ", " ");
        try
        {

                var   a=m.match(re1)[0];
        }
        catch(e)
        {
                return   null
        }
        eval( "var   o= "+a.replace(re2, "{ ").replace(/&/g, " ', ").replace(/=/g, ":\ ' ")+ " '} ");
        return   o;
        }         function   ReadCookie()
        {
            var   var1=document.form1.txtName.value;
            document.form1.txtReadIP.value=GetCookie(document.form1.txtName.value).IP;
        }

        function   WriteCookie()
        {
              document.cookie=document.form1.txtName.value+ "=IP= "+document.form1.txtIP.value;
        }
        function   ClearCookie()
        {
              document.cookie= " ";
        }
        </script> </head>
<body>
        <form   id= "form1 "   runat= "server ">
                <table   border= "0 "   cellpadding= "0 "   cellspacing= "0 "   width= "778px ">
                        <tr>
                                <td   style= "height:   100px;   width:   778px; "   align= "center "   valign= "middle ">
                                        Cookie示例(对IP的操作) </td>
                        </tr>
                        <tr>
                                <td   align= "center "   style= "width:   778px ">
                                        <br   />
                                             
                                        <asp:Label   ID= "Label1 "   runat= "server "   Text= "名称 "> </asp:Label>
                                        <asp:TextBox   ID= "txtName "   runat= "server "> </asp:TextBox> <br   />
                                                     
                                        <asp:Label   ID= "Label2 "   runat= "server "   Text= "IP "> </asp:Label>
                                        <asp:TextBox   ID= "txtIP "   runat= "server "> </asp:TextBox> <br   />
                                        <asp:Label   ID= "Label3 "   runat= "server "   Text= "读取IP "> </asp:Label>
                                        <asp:TextBox   ID= "txtReadIP "   runat= "server "> </asp:TextBox> <br   />
                                </td>
                        </tr>
                        <tr>
                                <td   align= "center "   style= "height:   25px;   width:   778px; ">
                                        <br   />
                                        <br   />
                                        <asp:Button   ID= "btnRun "   runat= "server "   Text= "服务器设置Cookie "   OnClick= "Button1_Click "   />
                                        <asp:Button   ID= "btnGet "   runat= "server "   Text= "服务器读取Cookie "   OnClick= "Button2_Click "
                                                Width= "158px "   />       <asp:Button   ID= "Button3 "   runat= "server "   Text= "服务器清除Cookie "
                                                        OnClick= "Button3_Click "   />
                                        <br   />
                                        <button   type= "button "   onclick= "WriteCookie() ">
                                                客户端设置Cookie </button>  
                                        <button   type= "button "   onclick= "ReadCookie() ">
                                                客户端读取Cookie </button>  
                                        <button   type= "button "   onclick= "ClearCookie() ">
                                                客户端清除Cookie </button> <br   />
                                </td>
                        </tr>
                </table>
        </form>
</body>
</html>
cs代码：
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   easy_cookie   :   System.Web.UI.Page
{
        protected   void   Page_Load(object   sender,   EventArgs   e)
        {         }
        //写入
        protected   void   Button1_Click(object   sender,   EventArgs   e)
        {
                if   (Request.Cookies[txtName.Text]   ==   null)
                {
                        HttpCookie   cookie   =   new   HttpCookie(txtName.Text);
                        cookie[ "IP "]   =   txtIP.Text;
                        Response.Cookies.Add(cookie);
                }
                else
                {
                        Response.Cookies[txtName.Text][ "IP "]   =   txtIP.Text;
                      //   Response.Write( " <script> alert( '已存在 '); </script> ");
                }


        }
        //读取
        protected   void   Button2_Click(object   sender,   EventArgs   e)
        {
                HttpCookie   cookie   =   Request.Cookies[txtName.Text];
                if   (cookie!=null)
                {
                        txtReadIP.Text   =   cookie[ "IP "];
                }
        }
        //清除cookie
        protected   void   Button3_Click(object   sender,   EventArgs   e)
        {
                for   (int   i   =   0;   i   <   Request.Cookies.Count;   i++)
                {
                        HttpCookie   cookie   =   Request.Cookies[i];
                        cookie.Expires   =   DateTime.Now.AddDays(-1);
                }                 //Response.Write(Request.Cookies.Count);
                //   HttpCookie   cookie   =   Request.Cookies;
                //cookie.Expires   =   DateTime.Now.Add(-1);
        }
}

bnb2626是可以的，最好再加上一些编码～～

不好意思,这几天忙着每看CSDN,今天看了,给分了
谢谢

调试易

如何JS写入cookie asp.net来读取这个cookie

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