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【Asp.Net】 C# 和 JavaScript Cookie 共享

作者:刺猬拥抱 / 发布于2015/10/26/ 566


	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;
	 }
	}

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