代码优化

Server/application/store/model/TrafficPackage.php

@@ -0,0 +1,37 @@
+<?php
+namespace app\store\model;
+
+use think\Model;
+
+class TrafficPackage extends Model
+{
+    protected $name = 'traffic_package';
+    
+    // 自动转换特权文本为数组
+    public function getPrivilegesAttr($value)
+    {
+        return empty($value) ? [] : explode("\n", $value);
+    }
+    
+    // 计算折扣
+    public function getDiscountAttr($value, $data)
+    {
+        if (empty($data['originalPrice']) || $data['originalPrice'] == 0) {
+            return '';
+        }
+        
+        // 原价和售价相同时返回原价
+        if ($data['originalPrice'] == $data['price']) {
+            return '原价';
+        }
+        
+        $discount = round(($data['price'] / $data['originalPrice']) * 100);
+        return $discount . '折';
+    }
+    
+    // 计算总流量
+    public function getTotalTrafficAttr($value, $data)
+    {
+        return $data['monthlyTraffic'] * $data['duration'];
+    }
+}