java与javascript对cookie操作的工具类

Posted 2020-10-03

Java对cookie的操作

package cn.utils;   import java.util.HashMap; import java.util.Map;   import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /**  * 操作cookie的工具类(默认cookie的有效路径为"/")  * @author zwq  * @version 1.0  */ public class CookieUtil {          /**           * 设置cookie           * @param response @see javax.servlet.http.HttpServletResponse           * @param name cookie名           * @param value cookie值           * @param maxAge cookie的最大活跃时间（单位s）           */          public static void setCookie(HttpServletResponse response,String name,String value,int maxAge){              Cookie cookie = new Cookie(name,value);              cookie.setPath("/");              if(maxAge>0)  cookie.setMaxAge(maxAge);              response.addCookie(cookie);          }                   /**           * 根据cookie名获取cookie           * @param request @see javax.servlet.http.HttpServletRequest           * @param name cookie名           * @return           */          public static Cookie getCookieByName(HttpServletRequest request,String name){              Map<String,Cookie> cookieMap = getCookieMap(request);              if(cookieMap.containsKey(name)){                  Cookie cookie = (Cookie)cookieMap.get(name);                  return cookie;              }else{                  return null;              }            }          /**           * 获取cookie的map集合（key=cookieName,value=cookie）           * @param request @see javax.servlet.http.HttpServletRequest           * @return           */          private static Map<String,Cookie> getCookieMap(HttpServletRequest request){               Map<String,Cookie> cookieMap = new HashMap<String,Cookie>();              Cookie[] cookies = request.getCookies();              if(null!=cookies){                  for(Cookie cookie : cookies){                      cookieMap.put(cookie.getName(), cookie);                  }              }              return cookieMap;          }          /**           * 根据指定cookie名检测cookie是否存在           * @param request @see javax.servlet.http.HttpServletRequest           * @param name cookie名           * @return           */          public static boolean checkCookieByName(HttpServletRequest request,String name) {                    if (name != null && name.trim() != "") {                             Cookie cookie = getCookieByName(request, name);                             if (cookie != null) {                                      return true;                             }                    }                    return false;          }                   /**           * 根据指定cookie名删除cookie           * @param request @see javax.servlet.http.HttpServletRequest           * @param response @see javax.servlet.http.HttpServletResponse           * @param name cookie名           */          public static boolean removeCookie(HttpServletRequest request ,HttpServletResponse response,String name) {                    if (name != null && name.trim() != "") {                             Cookie[] cookies = request.getCookies();                              if (cookies != null && cookies.length > 0) {                                  for (Cookie cookie : cookies) {                                      String cookieName = cookie.getName();                                      // 找到需要删除的Cookie                                      if (name.equals(cookieName)) {                                          // 设置生存期为0                                          cookie.setMaxAge(0);                                          // 设回Response中生效                                          response.addCookie(cookie);                                         return true;                                     }                                  }                              }                    }                    return false;          } }

 

javascript对cookie的操作

/**  * @description 操作cookie的工具类  * @author zwq  * @version 1.0  */   /**  * @description 设置cookie  * @param {string} cookieName cookie名  * @param {string} cookieValue cookie值  * @param {Date} [cookieExpires] cookie过期时间（可选参数，默认当前会话）  * @param {string} [cookiePath] cookie有效路径(可选参数，默认"/")  */ function setCookie(cookieName, cookieValue, cookieExpires, cookiePath) {     if (typeof cookieName === "string" && typeof cookieValue == "string" && cookieName.trim() !== "") {         var cookieStr = cookieName + "=" + cookieValue;         if (typeof cookieExpires === "object") {             cookieStr += ";expires=" + cookieExpires.toUTCString();         }         if (typeof cookiePath === "string" && cookiePath.trim() !== "") {             cookieStr += ";path=" + cookiePath;         }         document.cookie = cookieStr;     } } /**  * @description 根据cookie名获取cookie值  * @param {string} cookieName cookie名  * @returns {string}  */ function getCookie(cookieName) {     if (typeof cookieName === "string" && cookieName.trim() !== "") {         if (document.cookie.length > 0) {             var cookieArr = document.cookie.split(";");             for (var i = 0; i < cookieArr.length; i++) {                 var cookie = cookieArr[i].trim();                 if (cookie.indexOf(cookieName) === 0) {                     return cookie.substring(cookieName.length + 1, cookie.length);                 }             }         }     }     return ""; } /**  * @description 根据指定cookie名检测cookie是否存在  * @param {string} cookieName cookie名  * @returns {boolean}  */ function checkCookie(cookieName) {     if (typeof cookieName === "string" && cookieName.trim() !== ""){         var cookieValue = getCookie(cookieName);         if (cookieValue !== "" && cookieValue !== null && cookieValue !== undefined){             return true;         }     }     return false; } /**  * @description 根据指定cookie名删除cookie  * @param {string} cookieName cookie名  * @returns {boolean}  */ function deleteCookie(cookieName) {     if (typeof cookieName === "string" && cookieName.trim() !== ""){         var cookieValue = getCookie(cookieName);         if (cookieValue !== "" && cookieValue !== null && cookieValue !== undefined){             var date = new Date();             document.cookie = cookieName + "=;expires=" + date.toUTCString();             return true;         }     }     return false; }