diff --git a/module/metric/calc.class.php b/module/metric/calc.class.php
index b1a865afc4..095a82db1b 100644
--- a/module/metric/calc.class.php
+++ b/module/metric/calc.class.php
@@ -206,4 +206,41 @@ class baseCalc
     {
         return $this->getStatement()->fetchAll();
     }
+
+    /**
+     * 转换计算结果数组为度量记录数据数组。
+     * Get records from result.
+     *
+     * @param  array  $keyNames
+     * @access public
+     * @return array
+     */
+    public function getRecords($keyNames)
+    {
+        if(empty($keyNames)) return $this->result;
+
+        $records = array();
+        $keyName = array_shift($keyNames);
+        foreach($this->result as $key => $value) $records[] = array($keyName => $key, 'value' => $value);
+
+        while($keyName = array_shift($keyNames))
+        {
+            if($keyName == 'value') break;
+
+            $newRecords = array();
+            foreach($records as $record)
+            {
+                foreach($record['value'] as $key => $value)
+                {
+                    $record[$keyName] = $key;
+                    $record['value']  = $value;
+                    $newRecords[] = $record;
+                }
+            }
+
+            $records = $newRecords;
+        }
+
+        return $records;
+    }
 }
diff --git a/module/metric/calc/global/hour/consume_of_monthly_closed_project.php b/module/metric/calc/global/hour/consume_of_monthly_closed_project.php
index 95de296fae..bddda73967 100644
--- a/module/metric/calc/global/hour/consume_of_monthly_closed_project.php
+++ b/module/metric/calc/global/hour/consume_of_monthly_closed_project.php
@@ -66,17 +66,7 @@ class consume_of_monthly_closed_project extends baseCalc
 
     public function getResult($options = array())
     {
-        $records = array();
-        foreach($this->result as $year => $months)
-        {
-            foreach($months as $month => $projects)
-            {
-                foreach($projects as $project => $value)
-                {
-                    $records[] = array('project' => $project, 'year' => $year, 'month' => $month, 'value' => $value);
-                }
-            }
-        }
+        $records = $this->getRecords(array('year', 'month', 'project', 'value'));
         return $this->filterByOptions($records, $options);
     }
 }
diff --git a/module/metric/calc/product/scale/count_of_daily_closed_bug_in_product.php b/module/metric/calc/product/scale/count_of_daily_closed_bug_in_product.php
index 94ab8be0d9..73ef17a69c 100644
--- a/module/metric/calc/product/scale/count_of_daily_closed_bug_in_product.php
+++ b/module/metric/calc/product/scale/count_of_daily_closed_bug_in_product.php
@@ -44,21 +44,7 @@ class count_of_daily_closed_bug_in_product extends baseCalc
 
     public function getResult($options = array())
     {
-        $records = array();
-        foreach($this->result as $product => $years)
-        {
-            foreach($years as $year => $months)
-            {
-                foreach($months as $month => $days)
-                {
-                    foreach($days as $day => $value)
-                    {
-                        $records[] = array('product' => $product, 'year' => $year, 'month' => $month, 'day' => $day, 'value' => $value);
-                    }
-                }
-            }
-        }
-
+        $records = $this->getRecords(array('product', 'year', 'month', 'day'));
         return $this->filterByOptions($records, $options);
     }
 }