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这是一个类，用于提供后台C#访问Cookie，函数不多，只有几个，包括设置、获取、修改。具体代码如下：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | using System; using System.Collections.Generic; using System.Web; using System.Text; namespace SqlHelper { public class Cookie2 { /// <summary> /// 设置Cookie的值，关闭Session后释放 /// </summary> /// <param name="name">名称</param> /// <param name="value">Cookie值</param> /// <param name="response">HttpResponse</param> public static void Set (HttpResponse response, string name, string value) { HttpCookie cookie = new HttpCookie (name); cookie.Values.Add (name, value); response.AppendCookie (cookie); } /// <summary> /// 设置Cookie的值，包含过期时间 /// </summary> /// <param name="name">名称</param> /// <param name="value">Cookie值</param> /// <param name="expiredays">过期时间</param> /// <param name="response">HttpResponse</param> public static void Set (HttpResponse response, string name, string value, DateTime expiredays) { HttpCookie cookie = new HttpCookie (name); cookie.Expires = expiredays; cookie.Values.Add (name, value); response.AppendCookie (cookie); } /// <summary> /// 获取Cookie值 /// </summary> /// <param name="name">名称</param> /// <param name="request">HttpRequest</param> /// <returns>Cookie的值</returns> public static string Get (HttpRequest request, string name) { if (request.Cookies[name] != null) { return request.Cookies[name].Values.toString(); } else { return null; } } /// <summary> /// 删除Cookie /// </summary> /// <param name="name">名称</param> /// <param name="response">HttpResponse</param> /// <param name="request">HttpRequest</param> public static void Delete (HttpResponse response, HttpRequest request, string name) { HttpCookie cookie = request.Cookies[name]; if (cookie != null) { cookie.Expires = DateTime.Now.AddDays (-1); response.AppendCookie (cookie); } } /// <summary> /// 修改Cookie的值 /// </summary> /// <param name="name">名称</param> /// <param name="value">Cookie值</param> /// <param name="response">HttpResponse</param> /// <param name="request">HttpRequest</param> public static void Modify (HttpResponse response, HttpRequest request, string name, string value) { HttpCookie cookie = request.Cookies[name]; if (cookie != null) { cookie.Values[name] = value; } response.AppendCookie (cookie); } } } |
