java操作cookie 工具类
import java.io.UnsupportedEncodingException;import java.net.URLDecoder;
import java.net.URLEncoder;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class CookieUtil {
private static String default_path
="/";
private static int default_age =365*24*3600;
/**
*@Function: 添加cookie 可設置時間
*@Author: zzp
*@param name
*@param value
*@param response
*@param age
*@throws UnsupportedEncodingExceptionvoid
*@Date: 2014-2-19
*@Modifications:
*@Modifier Name; Date; The Reason for Modifying
*
*/
public static void addCookie(String name,String value,
HttpServletResponse response,int age) throws UnsupportedEncodingException{
Cookie cookie =
new Cookie(name,URLEncoder.encode(value,"utf-8"));
cookie.setMaxAge(age);
cookie.setPath(default_path);
response.addCookie(cookie);
}
/**
*@Function: 添加cookie 默認時間
*@Author: zzp
*@param name
*@param value
*@param response
*@throws UnsupportedEncodingExceptionvoid
*@Date: 2014-2-19
*@Modifications:
*@Modifier Name; Date; The Reason for Modifying
*
*/
public static void addCookie(String name,String value,HttpServletResponse
response) throws UnsupportedEncodingException{
addCookie(name,value,response,default_age);
}
/**
*@Function: 展示所有cookie
*@Author: zzp
*@param name
*@param request
*@return
*@throws UnsupportedEncodingExceptionString
*@Date: 2014-2-19
*@Modifications:
*@Modifier Name; Date; The Reason for Modifying
*
*/
public static String findCookie(String name,HttpServletRequest request)
throws UnsupportedEncodingException{
String value = null;
Cookie[] cookies = request.getCookies();
if(cookies!=null){
for(int i=0;i<cookies.length;i++){
Cookie cookie = cookies;
if(cookie.getName().equals(name)){
value = URLDecoder.decode(cookie.getValue(), "utf-8");
}
}
}
return value;
}
/**
*@Function: 刪除cookie
*@Author: zzp
*@param name
*@param responsevoid
*@Date: 2014-2-19
*@Modifications:
*@Modifier Name; Date; The Reason for Modifying
*
*/
public static void deleteCookie(String name,HttpServletResponse
response){
Cookie cookie = new Cookie(name,"");
cookie.setMaxAge(0);
cookie.setPath(default_path);
response.addCookie(cookie);
}
}
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