增加cookie工具类

zheng-common/src/main/java/com/zheng/common/util/CookieUtil.java

@@ -0,0 +1,55 @@
+package com.zheng.common.util;
+
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * cookie操作工具累
+ * Created by shuzheng on 2016/12/31.
+ */
+public class CookieUtil {
+
+    /**
+     * 设置cookie
+     * @param response
+     * @param name
+     * @param value
+     * @param maxAge
+     */
+    public static void setCookie(HttpServletResponse response, String name, String value, String path, int maxAge) {
+        Cookie cookie = new Cookie(name, value);
+        cookie.setPath(path);
+        if (maxAge > 0) cookie.setMaxAge(maxAge);
+        response.addCookie(cookie);
+    }
+    public static void setCookie(HttpServletResponse response, String name, String value, int maxAge) {
+        setCookie(response, name, value, "/", maxAge);
+    }
+    public static void setCookie(HttpServletResponse response, String name, String value) {
+        setCookie(response, name, value, "/", 3600);
+    }
+    public static void setCookie(HttpServletResponse response, String name) {
+        setCookie(response, name, "", "/", 3600);
+    }
+
+    /**
+     * 获取cookie
+     * @param request
+     * @param name
+     * @return
+     */
+    public static String getCookie(HttpServletRequest request, String name) {
+        String value = null;
+        Cookie[] cookies = request.getCookies();
+        if (null != cookies) {
+            for (Cookie cookie : cookies) {
+                if (cookie.getName().equals(name)) {
+                    value = cookie.getValue();
+                }
+            }
+        }
+        return value;
+    }
+
+}