异常处理显示

yzg-util-cloud/src/main/java/com/yanzuoguang/cloud/helper/CookiesHelper.java

@@ -25,6 +25,10 @@ public class CookiesHelper {
      * 单个Cookies最大长度
      */
     public static final int ITEM_MAX_SIZE = 1000;
+    /**
+     * 默认最大有效期
+     */
+    public static final int DEFAULT_MAX_AGE = 3 * 24 * 60 * 60;
     /**
      * 编码方式
      */
@@ -44,10 +48,12 @@ public class CookiesHelper {
      * 读取缓存Cookies
      *
      * @param key    键值
+     * @param remove 读取后是否删除
      * @return 缓存的键值
      */
-    public static String get(String key) throws UnsupportedEncodingException {
+    public static String get(String key, boolean remove) throws UnsupportedEncodingException {
         HttpServletRequest request = getRequest();
+        HttpServletResponse response = getResposne();
         if (request.getCookies() == null) {
             return StringHelper.EMPTY;
         }
@@ -57,6 +63,7 @@ public class CookiesHelper {
         // 遍历cookies找到对应的Cookies
         for (Cookie item : request.getCookies()) {
             if (item.getName().equals(key)) {
+                removeCookie(response, item.getName());
                 if (StringHelper.isNumber(item.getValue())) {
                     keyLength = StringHelper.toInt(item.getValue());
                     continue;
@@ -64,6 +71,7 @@ public class CookiesHelper {
                     return URLDecoder.decode(item.getValue(), CHARSET);
                 }
             } else if (item.getName().startsWith(key)) {
+                removeCookie(response, item.getName());
                 map.put(key, item.getValue());
             }
         }
@@ -106,17 +114,41 @@ public class CookiesHelper {
         }
     }
 
+    /**
+     * 删除Cookie对象
+     *
+     * @param response 输出流
+     * @param key      键值
+     */
+    private static void removeCookie(HttpServletResponse response, String key) {
+        addCookie(response, key, StringHelper.EMPTY, 0);
+    }
+
     /**
      * 添加Cookies缓存
      *
+     * @param response 输出对象
      * @param key      键
      * @param value    值
      */
     private static void addCookie(HttpServletResponse response, String key, String value) {
+        addCookie(response, key, value, DEFAULT_MAX_AGE);
+    }
+
+    /**
+     * 添加Cookies缓存
+     *
+     * @param response 输出对象
+     * @param key      键
+     * @param value    值
+     * @param maxAge   最大有效期
+     */
+    private static void addCookie(HttpServletResponse response, String key, String value, int maxAge) {
         // 创建cookie对象
         Cookie cookie = new Cookie(key, value);
         // 设置根目录生效
         cookie.setPath("/");
+        cookie.setMaxAge(maxAge);
         // 服务器把cookie响应给客户端，所有的cookie对象，都会在服务器端创建，通过http响应给客户端(浏览器)
         response.addCookie(cookie);
     }
@@ -160,7 +192,7 @@ public class CookiesHelper {
      * 登录初始化
      */
     public static void tokenInit() throws UnsupportedEncodingException {
-        String tokenRequest = get(CookiesHelper.TOKEN_STRING_KEY);
+        String tokenRequest = get(CookiesHelper.TOKEN_STRING_KEY, true);
         if (!StringHelper.isEmpty(tokenRequest)) {
             TokenHelper.setTokenString(tokenRequest);
         }