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ZeedFramework/library/Com/Helper/Model.php

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+<?php
+/**
+ * Zeed Platform Project
+ * Based on Zeed Framework & Zend Framework.
+ *
+ * BTS - Billing Transaction Service
+ * CAS - Central Authentication Service
+ *
+ * LICENSE
+ * http://www.zeed.com.cn/license/
+ *
+ * @category   Zeed
+ * @package    Zeed_ChangeMe
+ * @subpackage ChangeMe
+ * @copyright  Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
+ * @author     Zeed Team (http://blog.zeed.com.cn)
+ * @since      2010-7-6
+ * @version    SVN: $Id: Model.php 11362 2011-08-25 06:36:38Z nroe $
+ */
+
+class Com_Helper_Model {
+    
+    /**
+     * 获取数据表记录对象的主键最大值
+     * 
+     * @return integer
+     */
+    public function getMaxId()
+    {
+        $id = 0;
+        
+        if (strlen($this->_primary) > 0) {
+            $stmt = $this->_db->query(sprintf('SELECT MAX(%s) FROM `%s` WHERE 1', $this->_primary, $this->getTable()));
+            $result = $stmt->fetchColumn();
+            
+            if (is_numeric($result)) {
+                $id = (int) $result;
+            }
+        }
+        
+        return $id;
+    }
+}
+
+
+// End ^ Native EOL ^ encoding