代码语言：javascript复制
package com.cjbdi.aop;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;
public class CookieUtil {
/**
* 设置cookie
* @param response
* @param name
* @param value
* @param maxAge
*/
public static void set(HttpServletResponse response,
String name,
String value,
int maxAge){
Cookie cookie = new Cookie(name, value); //设置cookie的key和value值
cookie.setPath("/"); //路径
cookie.setMaxAge(maxAge); //过期时间
response.addCookie(cookie); //添加cookie
}
/**
* 获取cookie
* @param request
* @param name
* @return
*/
public static Cookie get(HttpServletRequest request,
String name){
Map<String, Cookie> cookieMap = readCookieMap(request);
if(cookieMap.containsKey(name)){ //判断cookieMap是否含有该key
return cookieMap.get(name);
}else{
return null;
}
}
/**
* 将cookie封装成map
* @param request
* @return
*/
private static Map<String, Cookie> readCookieMap(HttpServletRequest request){
Map<String, Cookie> cookieMap = new HashMap<>();
Cookie[] cookies = request.getCookies(); //获取所有的cookie值
if(cookies != null){
for (Cookie cookie : cookies){
cookieMap.put(cookie.getName(),cookie);
}
}
return cookieMap;
}
}
