. NET common tool class--cookies operation class

Using System;
Using System.Collections;
Using System.Collections.Generic;
Using System.Collections.Specialized;
Using System.Text;
Using System.Web;
Using System.Web.UI;
Using System.Web.UI.HtmlControls;
Using System.Web.UI.WebControls;
Using System.Web.UI.WebControls.WebParts;

Namespace ZC. Utils
{
<summary>
<para> </para>
Common tool class--cookies operation class
<para>-------------------------------------------------------------------</para>
<para> Writecookie: Create a Cookie object and assign value or value collection [+4 overload]</para>
<para> GetCookie: Reads the value of a cookie object, returns the value of value, or returns null</para> if the object does not exist.
<para> Delcookie: Delete Cookie Object </para>
</summary>
public class Cookieshelper
{

#region Create a Cookie object and assign value values
<summary>
Creating a Cookie object and assigning value values
</summary>
<param name= "Cookiesname" >cookie object name </param>
<param name= "Iexpires" >cookie object effective time (in seconds), 1 means permanent, 0 and negative numbers mean no valid time, greater than or equal to 2 means the specific effective seconds, 31.536 million seconds =1 year = (60*60*24*365 ),</param>
<param name= "Cookiesvalue" >cookie Object value </param>
public static void Writecookies (string cookiesname, int iexpires, string cookiesvalue)
{
HttpCookie Objcookie = new HttpCookie (Cookiesname.trim ());
Objcookie.value = Md5helper.desencrypt (Cookiesvalue.trim ()); Encrypted storage
if (Iexpires > 0)
{
if (iexpires = = 1)
{
Objcookie.expires = DateTime.MaxValue;
}
Else
{
Objcookie.expires = DateTime.Now.AddMinutes (iexpires);
}
}
HTTPCONTEXT.CURRENT.RESPONSE.COOKIES.ADD (Objcookie);
}

<summary>
Creating a Cookie object and assigning value values
</summary>
<param name= "Cookiesname" >cookie object name </param>
<param name= "Iexpires" >cookie object effective time (in seconds), 1 means permanent, 0 and negative numbers mean no valid time, greater than or equal to 2 means the specific effective seconds, 31.536 million seconds =1 year = (60*60*24*365 ),</param>
<param name= "Cookiesvalue" >cookie Object value </param>
<param name= "Cookiesdomain" > Scope </param>
public static void Writecookies (string cookiesname, int iexpires, string cookiesvalue, String cookiesdomain)
{
HttpCookie Objcookie = new HttpCookie (Cookiesname.trim ());
Objcookie.value = Md5helper.desencrypt (Cookiesvalue.trim ()); Encrypted storage
Objcookie.domain = Cookiesdomain.trim ();
if (Iexpires > 0)
{
if (iexpires = = 1)
{
Objcookie.expires = DateTime.MaxValue;
}
Else
{
Objcookie.expires = DateTime.Now.AddMinutes (iexpires);
}
}
HTTPCONTEXT.CURRENT.RESPONSE.COOKIES.ADD (Objcookie);
}

<summary>
Create a Cookie object and assign multiple key key values
Set the key/value as follows:
NameValueCollection MyCol = new NameValueCollection ();
Mycol.add ("Red", "Rojo");
Mycol.add ("Green", "Verde");
Mycol.add ("Blue", "Azul");
Mycol.add ("Red", "rouge"); Result "Red:rojo,rouge;green:verde;blue:azul"
</summary>
<param name= "Cookiesname" >cookie object name </param>
<param name= "Iexpires" >cookie object effective time (in seconds), 1 means permanent, 0 and negative numbers mean no valid time, greater than or equal to 2 means the specific effective seconds, 31.536 million seconds =1 year = (60*60*24*365 ),</param>
<param name= "cookieskeyvaluecollection" > key/value pairs collection </param>
public static void Writecookies (string cookiesname, int iexpires, NameValueCollection cookieskeyvaluecollection)
{
HttpCookie Objcookie = new HttpCookie (Cookiesname.trim ());
foreach (String key in Cookieskeyvaluecollection.allkeys)
{
Objcookie[key] = Md5helper.desencrypt (Cookieskeyvaluecollection[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>
Create a Cookie object and assign multiple key key values
Set the key/value as follows:
NameValueCollection MyCol = new NameValueCollection ();
Mycol.add ("Red", "Rojo");
Mycol.add ("Green", "Verde");
Mycol.add ("Blue", "Azul");
Mycol.add ("Red", "rouge"); Result "Red:rojo,rouge;green:verde;blue:azul"
</summary>
<param name= "Cookiesname" >cookie object name </param>
<param name= "Iexpires" >cookie object effective time (in seconds), 1 means permanent, 0 and negative numbers mean no valid time, greater than or equal to 2 means the specific effective seconds, 31.536 million seconds =1 year = (60*60*24*365 ),</param>
<param name= "cookieskeyvaluecollection" > key/value pairs collection </param>
<param name= "Cookiesdomain" > Scope </param>
public static void Writecookies (string cookiesname, int iexpires, NameValueCollection cookieskeyvaluecollection, string Cookiesdomain)
{
HttpCookie Objcookie = new HttpCookie (Cookiesname.trim ());
foreach (String key in Cookieskeyvaluecollection.allkeys)
{
Objcookie[key] = Md5helper.desencrypt (Cookieskeyvaluecollection[key]. Trim ());
}
Objcookie.domain = Cookiesdomain.trim ();
if (Iexpires > 0)
{
if (iexpires = = 1)
{
Objcookie.expires = DateTime.MaxValue;
}
Else
{
Objcookie.expires = DateTime.Now.AddSeconds (iexpires);
}
}
HTTPCONTEXT.CURRENT.RESPONSE.COOKIES.ADD (Objcookie);
}

#endregion

#region reads the value of a cookie object, returns the value of value, or returns NULL if the object does not exist.
<summary>
Reads the value of a cookie object, returns the value of value, or returns NULL if the object does not exist
</summary>
<param name= "Cookiesname" >cookie object name </param>
<returns> returns the value of the object, returns the value, or returns null</returns> if the object does not exist.
public static string GetCookies (String cookiesname)
{
if (httpcontext.current.request.cookies[cookiesname] = = null)
{
return null;
}
Else
{
Return Md5helper.desdecrypt (Httpcontext.current.request.cookies[cookiesname]. Value);
}
}

<summary>
Reads the value of a cookie object, returns the value of value, or returns NULL if the object does not exist
</summary>
<param name= "Cookiesname" >cookie object name </param>
<param name= "KeyName" > Key value </param>
<returns> returns the value of the object, returns the value, or returns null</returns> if the object does not exist.
public static string GetCookies (String cookiesname, String KeyName)
{
if (httpcontext.current.request.cookies[cookiesname] = = null)
{
return null;
}
Else
{
String strobjvalue = Md5helper.desdecrypt (Httpcontext.current.request.cookies[cookiesname]. Value);
String strKeyName2 = KeyName + "=";
if (Strobjvalue.indexof (strKeyName2) = =-1)
{
return null;
}
Else
{
Return Md5helper.desdecrypt (Httpcontext.current.request.cookies[cookiesname][keyname]);
}
}
}
#endregion

#region Delete a Cookie object
<summary>
Delete Cookie Object
</summary>
<param name= "Cookiesname" >cookie object name </param>
public static void Delcookie (String cookiesname)
{
HttpCookie Objcookie = new HttpCookie (Cookiesname.trim ());
Objcookie.expires = DateTime.Now.AddYears (-5);
HTTPCONTEXT.CURRENT.RESPONSE.COOKIES.ADD (Objcookie);
}
#endregion
}
}

. NET common tool class--cookies operation class