精度问题

app/Http/Controllers/AppointmentController.php

@@ -339,7 +339,7 @@ class AppointmentController extends Controller
     // 2. 按类型汇总(个检type=1, 团检type=2)
     $charge_amount = round($orders->sum('true_price'), 2);
     $refund_amount = round($refund_orders->sum('true_price'), 2);
-    $total_amount = round($charge_amount - $refund_amount, 2);
+    $total_amount = round(round($charge_amount - $refund_amount, 4), 2);
 
     $type_summary = [];
     foreach ([1 => '个人', 2 => '团检'] as $type_val => $type_name) {
@@ -409,7 +409,7 @@ class AppointmentController extends Controller
 
         $price = floatval($item['价格']);
         if (isset($item['优惠方式']) && $item['优惠方式'] === '打折') {
-          $price = $price * floatval($item['优惠值']);
+          $price = round($price * floatval($item['优惠值']), 2);
         }
 
         $key = $matched ? $alias : '__unmatched__';
@@ -420,7 +420,7 @@ class AppointmentController extends Controller
             'item_names' => [],
           ];
         }
-        $statistics[$key]['amount'] += $price;
+        $statistics[$key]['amount'] = round($statistics[$key]['amount'] + $price, 2);
         if (!$matched) {
           $statistics[$key]['item_names'][] = $item['名称'];
         }
@@ -429,14 +429,22 @@ class AppointmentController extends Controller
 
     // 格式化金额，未匹配项去重
     $categories = [];
+    $category_total = 0;
     foreach ($statistics as $item) {
       $item['amount'] = round($item['amount'], 2);
+      $category_total = round($category_total + $item['amount'], 2);
       if (isset($item['item_names'])) {
         $item['item_names'] = array_values(array_unique($item['item_names']));
       }
       $categories[] = $item;
     }
 
+    // 合计金额取分类汇总，确保合计与各项之和一致
+    if ($category_total > 0) {
+      $charge_amount = $category_total;
+    }
+    $total_amount = round($charge_amount - $refund_amount, 2);
+
     return Yo::echo([
       'type_summary' => $type_summary,
       'charge_amount' => $charge_amount,