package cn.lili.common.utils;
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import lombok.extern.slf4j.Slf4j;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* CookieUtil
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*
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* @author Chopper
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* @version v1.0
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* 2020-12-14 09:32
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*/
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@Slf4j
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public class CookieUtil {
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/**
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* 新增cookie
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*
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* @param key key值
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* @param value 对应值
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* @param maxAge cookie 有效时间
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* @param response 响应
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*/
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public static void addCookie(String key, String value, Integer maxAge, HttpServletResponse response) {
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try {
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Cookie c = new Cookie(key, value);
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c.setMaxAge(maxAge);
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c.setPath("/");
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response.addCookie(c);
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} catch (Exception e) {
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log.error("新增cookie错误",e);
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}
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}
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/**
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* 删除cookie
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*
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* @param key key值
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* @param response 响应
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*/
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public static void delCookie(String key, HttpServletResponse response) {
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try {
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Cookie c = new Cookie(key, "");
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c.setMaxAge(0);
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response.addCookie(c);
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} catch (Exception e) {
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log.error("删除cookie错误",e);
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}
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}
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/**
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* 获取cookie
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*
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* @param key key值
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* @param request 请求
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* @return cookie value
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*/
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public static String getCookie(String key, HttpServletRequest request) {
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try {
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if (request.getCookies() == null) {
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return null;
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}
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for (int i = 0; i < request.getCookies().length; i++) {
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if (request.getCookies()[i].getName().equals(key)) {
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return request.getCookies()[i].getValue();
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}
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}
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} catch (Exception e) {
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log.error("获取cookie错误",e);
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}
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return null;
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}
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}
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