CookieUtil：
public class CookieUtil {
// 默认缓存时间,单位/秒, 2H
private static final int COOKIE_MAX_AGE = 60 * 60 * 2;
// 保存路径,根路径
private static final String COOKIE_PATH = "/";
/**
* 保存
*
* @param response
* @param key
* @param value
* @param ifRemember
*/
public static void set(HttpServletResponse response, String key, String value, boolean ifRemember) {
int age = ifRemember?COOKIE_MAX_AGE:-1;
set(response, key, value, null, COOKIE_PATH, age, true);
}
/**
* 保存
*
* @param response
* @param key
* @param value
* @param maxAge
*/
private static void set(HttpServletResponse response, String key, String value, String domain, String path, int maxAge, boolean isHttpOnly) {
Cookie cookie = new Cookie(key, value);
if (domain != null) {
cookie.setDomain(domain);
}
cookie.setPath(path);
cookie.setMaxAge(maxAge);
cookie.setHttpOnly(isHttpOnly);
response.addCookie(cookie);
}
/**
* 查询value
*
* @param request
* @param key
* @return
*/
public static String getValue(HttpServletRequest request, String key) {
Cookie cookie = get(request, key);
if (cookie != null) {
return cookie.getValue();
}
return null;
}
/**
* 查询Cookie
*
* @param request
* @param key
*/
private static Cookie get(HttpServletRequest request, String key) {
Cookie[] arr_cookie = request.getCookies();
if (arr_cookie != null && arr_cookie.length > 0) {
for (Cookie cookie : arr_cookie) {
if (cookie.getName().equals(key)) {
return cookie;
}
}
}
return null;
}
/**
* 删除Cookie
*
* @param request
* @param response
* @param key
*/
public static void remove(HttpServletRequest request, HttpServletResponse response, String key) {
Cookie cookie = get(request, key);
if (cookie != null) {
set(response, key, "", null, COOKIE_PATH, 0, true);
}
}
}
