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zhiqim_httpd/test/org/zhiqim/announcement/ZoaAnnouncementDao.java

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+/*
+ * 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
+ * 
+ * 知启蒙WEB容器（zhiqim_httpd）在LGPL3.0协议下开源：https://www.zhiqim.com/gitcan/zhiqim/zhiqim_httpd.htm
+ *
+ * This file is part of [zhiqim_httpd].
+ * 
+ * [zhiqim_httpd] is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * [zhiqim_httpd] is distributed in the hope that it will
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with [zhiqim_httpd].
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.zhiqim.announcement;
+
+import org.zhiqim.announcement.dbo.ZoaAnnouncementEx;
+import org.zhiqim.announcement.dbo.ZoaAnnouncementReader;
+import org.zhiqim.httpd.HttpRequest;
+import org.zhiqim.kernel.annotation.AnAlias;
+import org.zhiqim.orm.ORM;
+import org.zhiqim.orm.dbo.Selector;
+
+/**
+ * 公告数据访问对象
+ *
+ * @version v1.0.0 @author zouzhigang 2017-11-17 新建与整理
+ */
+@AnAlias("ZoaAnnouncementDao")
+public class ZoaAnnouncementDao
+{
+    /**
+     * 获取是否有未读公告
+     * 
+     * @param request       请求
+     * @return              =true表示有，=false表示没有
+     * @throws Exception    异常
+     */
+    public static boolean hasUnReadAnnouncement(HttpRequest request) throws Exception
+    {
+        Selector selector = new Selector();
+        selector.addJoin(ZoaAnnouncementReader.class, new Selector("operatorCode", request.getSessionName()));
+        selector.addMust("announcementStatus", 0);
+        selector.addMustIsNull("operatorCode");
+        
+        return ORM.view().count(ZoaAnnouncementEx.class, selector) > 0;
+    }
+}