using System; using System.Web; using System.Data; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Text; namespace Tool { /// <summary> /// Cookie操作类 /// </summary> public static class Cookie { /// <summary> /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="strValue">COOKIE对象Value值</param> public static void SetObj(string strCookieName, string strValue) { SetObj(strCookieName, 1, strValue); } /// <summary> /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365),</param> /// <param name="strValue">COOKIE对象Value值</param> public static void SetObj(string strCookieName, int iExpires, string strValue) { if (HttpContext.Current.Request.Cookies[strCookieName] != null) { Cookie.Del(strCookieName); } HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Value = HttpContext.Current.Server.UrlEncode(strValue.Trim()); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建COOKIE对象并赋多个KEY键值 /// 设键/值如下: /// NameValueCollection myCol = new NameValueCollection(); /// myCol.Add("red", "rojo"); /// myCol.Add("green", "verde"); /// myCol.Add("blue", "azul"); /// myCol.Add("red", "rouge"); 结果“red:rojo,rouge;green:verde;blue:azul” /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365),</param> /// <param name="KeyValue">键/值对集合</param> public static void SetObj(string strCookieName, int iExpires, NameValueCollection KeyValue) { if (HttpContext.Current.Request.Cookies[strCookieName] != null) { Cookie.Del(strCookieName); } HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); foreach (String key in KeyValue.AllKeys) { objCookie[key] = HttpContext.Current.Server.UrlEncode(KeyValue[key].Trim()); } if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建COOKIE对象并赋Value值,修改COOKIE的Value值也用此方法,因为对COOKIE修改必须重新设Expires /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365),</param> /// <param name="strDomain">作用域</param> /// <param name="strValue">COOKIE对象Value值</param> public static void SetObj(string strCookieName, int iExpires, string strValue, string strDomain) { if (HttpContext.Current.Request.Cookies[strCookieName] != null) { Cookie.Del(strCookieName); } HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Value = HttpContext.Current.Server.UrlEncode(strValue.Trim()); objCookie.Domain = strDomain.Trim(); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 创建COOKIE对象并赋多个KEY键值 /// 设键/值如下: /// NameValueCollection myCol = new NameValueCollection(); /// myCol.Add("red", "rojo"); /// myCol.Add("green", "verde"); /// myCol.Add("blue", "azul"); /// myCol.Add("red", "rouge"); 结果“red:rojo,rouge;green:verde;blue:azul” /// </summary> /// <param name="strCookieName">COOKIE对象名</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365),</param> /// <param name="strDomain">作用域</param> /// <param name="KeyValue">键/值对集合</param> public static void SetObj(string strCookieName, int iExpires, NameValueCollection KeyValue, string strDomain) { if (HttpContext.Current.Request.Cookies[strCookieName] != null) { Cookie.Del(strCookieName); } HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); foreach (String key in KeyValue.AllKeys) { objCookie[key] = HttpContext.Current.Server.UrlEncode(KeyValue[key].Trim()); } objCookie.Domain = strDomain.Trim(); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 读取Cookie某个对象的Value值,返回Value值,如果对象本就不存在,则返回字符串"CookieNonexistence" /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <returns>Value值,如果对象本就不存在,则返回字符串"CookieNonexistence"</returns> public static string GetValue(string strCookieName) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { //return "CookieNonexistence"; return null; } else { return HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strCookieName].Value); } } /// <summary> /// 读取Cookie某个对象的某个Key键的键值,返回Key键值,如果对象本就不存在,则返回字符串"CookieNonexistence",如果Key键不存在,则返回字符串"KeyNonexistence" /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <returns>Key键值,如果对象本就不存在,则返回字符串"CookieNonexistence",如果Key键不存在,则返回字符串"KeyNonexistence"</returns> public static string GetValue(string strCookieName, string strKeyName) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { //return "CookieNonexistence"; return null; } else { //string strObjValue = HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strCookieName].Value); string strObjValue = HttpContext.Current.Request.Cookies[strCookieName].Value; string strKeyName2 = strKeyName + "="; if (strObjValue.IndexOf(strKeyName2) == -1) { //return "KeyNonexistence"; return null; } else { return HttpContext.Current.Server.UrlDecode(HttpContext.Current.Request.Cookies[strCookieName][strKeyName]); } } } /// <summary> /// 修改某个COOKIE对象某个Key键的键值 或 给某个COOKIE对象添加Key键 都调用本方法,操作成功返回字符串"success",如果对象本就不存在,则返回字符串"CookieNonexistence"。 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <param name="KeyValue">Key键值</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param> /// <returns>如果对象本就不存在,则返回字符串"CookieNonexistence",如果操作成功返回字符串"success"。</returns> public static string Edit(string strCookieName, string strKeyName, string KeyValue, int iExpires) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { //return "CookieNonexistence"; return null; } else { HttpCookie objCookie = HttpContext.Current.Request.Cookies[strCookieName]; objCookie[strKeyName] = HttpContext.Current.Server.UrlEncode(KeyValue.Trim()); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); return "success"; } } /// <summary> /// 删除COOKIE对象 /// </summary> /// <param name="strCookieName">Cookie对象名称</param> public static void Del(string strCookieName) { HttpCookie objCookie = new HttpCookie(strCookieName.Trim()); objCookie.Expires = DateTime.Now.AddYears(-5); HttpContext.Current.Response.Cookies.Add(objCookie); } /// <summary> /// 删除某个COOKIE对象某个Key子键,操作成功返回字符串"success",如果对象本就不存在,则返回字符串"CookieNonexistence" /// </summary> /// <param name="strCookieName">Cookie对象名称</param> /// <param name="strKeyName">Key键名</param> /// <param name="iExpires">COOKIE对象有效时间(秒数),1表示永久有效,0和负数都表示不设有效时间,大于等于2表示具体有效秒数,31536000秒=1年=(60*60*24*365)。注意:虽是修改功能,实则重建覆盖,所以时间也要重设,因为没办法获得旧的有效期</param> /// <returns>如果对象本就不存在,则返回字符串"CookieNonexistence",如果操作成功返回字符串"success"。</returns> public static string Del(string strCookieName, string strKeyName, int iExpires) { if (HttpContext.Current.Request.Cookies[strCookieName] == null) { //return "CookieNonexistence"; return null; } else { HttpCookie objCookie = HttpContext.Current.Request.Cookies[strCookieName]; objCookie.Values.Remove(strKeyName); if (iExpires > 0) { if (iExpires == 1) { objCookie.Expires = DateTime.MaxValue; } else { objCookie.Expires = DateTime.Now.AddSeconds(iExpires); } } HttpContext.Current.Response.Cookies.Add(objCookie); return "success"; } } /// <summary> /// 通过Cookie给session赋值 /// </summary> /// <returns></returns> public static string GetCookieSetSession() { if (Cookie.GetValue("TempUser") != null) { return Cookie.GetValue("TempUser", "UserName").ToString(); } return ""; } } }
时间: 2024-10-12 20:44:30