C# 和 JavaScript Cookie 共享

cookie.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="cookie.aspx.cs" Inherits="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>myCookieTest</title>
    <style type="text/css">
        .divRoot
        {
            border: dotted 1px red;
            padding: 20px;
            margin: 20px;
        }
        .divRoot h1
        {
            text-align: center;
            color: Blue;
            background-color:Gray;
        }
        hr
        {
            color: Green;
        }
    </style>

    <script type="text/javascript">
        function addCookie(key,value) {
            var expireDate = new Date(); //cookie 有效日期
            expireDate.setMonth(expireDate.getMonth() + 6);
            document.cookie = key+"=" + value + "; expires=" + expireDate.toGMTString();  //添加 cookie
            alert("添加成功~!!");
            return false;
        }

        function getCookie() {
            if (document.cookie != "") {
                document.getElementById("spCookie").innerHTML = document.cookie;
            }
        }
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div class="divRoot">
        <div>
            <h1>
                JavaScript -> C#</h1>
            <h2>
                JavaScript Add Cookie:</h2>
            <h3>
                Enter The Cookie Value:<input id="nameField" type="text" />
                <input id="button1" type="button" value="button" onclick="return addCookie('userName',document.getElementById('nameField').value);" /></h3>
        </div>
        <hr />
        <div>
            <h2>
                C# Get Cookie:</h2>
            <h3>
                The Cookie Value:
                <asp:Label ID="lblCookie" runat="server"></asp:Label>
                <asp:Button ID="btnGetCookie" runat="server" Text="Button" OnClick="btnGetCookie_Click" /></h3>
        </div>
    </div>
    <div class="divRoot">
        <div>
            <h1>
                C# -> JavaScript</h1>
            <h2>
                C# Add Cookie:</h2>
            <h3>
                Enter The Cookie Value:
                <asp:TextBox ID="txtCookie" runat="server"></asp:TextBox>
                <asp:Button ID="btnAddCookie" runat="server" Text="Button" OnClick="btnAddCookie_Click" /></h3>
        </div>
        <hr />
        <div>
            <h2>
                JavaScript Get Cookie:</h2>
            <h3>
                The Cookie Value:<span id="spCookie"></span>
                <input id="Button2" type="button" value="button" onclick="return getCookie();" /></h3>
        </div>
    </div>
    </form>
</body>
</html>


cookie.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class cookie : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void btnGetCookie_Click(object sender, EventArgs e)
    {
        HttpCookie cookie = Request.Cookies.Get("userName");

        if (cookie != null)
        {
            lblCookie.Text = cookie.Value;
        }
        else
        {
            lblCookie.Text = "NULL";
        }
    }
    protected void btnAddCookie_Click(object sender, EventArgs e)
    {
        HttpCookie cookie = new HttpCookie("SharpCookie");
        cookie.Value = txtCookie.Text;
        Response.Cookies.Add(cookie);
        txtCookie.Text = string.Empty;
    }
}

原文地址:https://www.cnblogs.com/YSO1983/p/1618573.html