C#自定义简化cookie类实例
本文实例讲述了C#自定义简化cookie类。分享给大家供大家参考。具体分析如下:
这个C#类封装了常用的cookie操作,包括读取cookie、写入cookie、设置cookie过期时间等等。
usingSystem; usingSystem.Web; namespaceDotNet.Utilities { publicclassCookieHelper { ///<summary> ///清除指定Cookie ///</summary> ///<paramname="cookiename">cookiename</param> publicstaticvoidClearCookie(stringcookiename) { HttpCookiecookie=HttpContext.Current.Request.Cookies[cookiename]; if(cookie!=null) { cookie.Expires=DateTime.Now.AddYears(-3); HttpContext.Current.Response.Cookies.Add(cookie); } } ///<summary> ///获取指定Cookie值 ///</summary> ///<paramname="cookiename">cookiename</param> ///<returns></returns> publicstaticstringGetCookieValue(stringcookiename) { HttpCookiecookie=HttpContext.Current.Request.Cookies[cookiename]; stringstr=string.Empty; if(cookie!=null) { str=cookie.Value; } returnstr; } ///<summary> ///添加一个Cookie(24小时过期) ///</summary> ///<paramname="cookiename"></param> ///<paramname="cookievalue"></param> publicstaticvoidSetCookie(stringcookiename,stringcookievalue) { SetCookie(cookiename,cookievalue,DateTime.Now.AddDays(1.0)); } ///<summary> ///添加一个Cookie ///</summary> ///<paramname="cookiename">cookie名</param> ///<paramname="cookievalue">cookie值</param> ///<paramname="expires">过期时间DateTime</param> publicstaticvoidSetCookie(stringcookiename,stringcookievalue,DateTimeexpires) { HttpCookiecookie=newHttpCookie(cookiename) { Value=cookievalue, Expires=expires }; HttpContext.Current.Response.Cookies.Add(cookie); } } }
希望本文所述对大家的C#程序设计有所帮助。