仓库盘点功能-ThinkPHP_学习随笔

 public function check() {
     $db = M('Bookinfo');
     $region = I('post.region');
     $c = $db -> count();
     for ($i=1; $i < $c ; $i++) {
         $data[$i] = $db -> where(array('region' => $i)) -> field('amount')-> select();
         if (!empty($data[$i])) {
             foreach ($data[$i] as $key => $value) {
                 if (is_array($value)) {
                     foreach ($value as $keys => $values) {
                         $data_array[$i] = $data_array[$i] + $values;
                     }
                 }
             }
         } else {
             break;
         }
     }
     foreach ($data_array as $key => $value) {
         $count = $count + $value;
     }
     $this -> assign('count', $count);
     $this -> assign('check', $data_array);
     $this -> display('check');
 }

 public function count() {
     $arr = I('post.');
     foreach ($arr as $key => $value) {
         if ($key == "amount") {
             $amount = $arr[$key];
         } elseif ($key == "count") {
             $count = $arr[$key];
         }
     }
     for ($i=0; $i < count($amount) ; $i++) {
         if ($amount[$i] - $count[$i] > 0) {
             $result[$i] = '亏损';
         } else {
             $result[$i] = '盈余';
         }
     }
     if (array_sum($amount) - array_sum($count) > 0) {
         $res = "盘亏";
     } else {
         $res = "盘盈";
     }
     $this -> assign('result', $result);
     $this -> assign('res', $res);
     ManageController::check();
     $this -> display('check');
 }

function check 统计总数;

function count 生成结果;