数据库模型文件

app/model/Zone.php

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+<?php
+
+namespace app\model;
+
+use think\Model;
+
+class Zone extends Model
+{
+    public static function getList()
+    {
+        $zone = self::where('status',1)->select();
+        return $zone->toArray();
+    }
+
+
+
+
+}

app/model/ZoneAmountParam.php

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+<?php
+
+namespace app\model;
+
+use \think\Model;
+
+class ZoneAmountParam extends Model
+{
+
+    /**
+     * 获取随机金额
+     * @param $data
+     * @return array
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+    public static function getRandAmount($data = [])
+    {
+        if (empty($data)) {
+            $model = new ZoneAmountParam();
+            $data = $model->select()->toArray();
+        }
+
+        $totalWeight = 0;
+        foreach ($data as $pattern) {
+            $totalWeight += $pattern['weight'];
+        }
+
+        // 随机金额
+        $amount = '0.00';
+
+        // 生成随机数
+        $randomNumber = rand(1, $totalWeight);
+
+        foreach ($data as $pattern) {
+            $randomNumber -= $pattern['weight'];
+            if ($randomNumber <= 0) {
+                $amount = $pattern['amount'];
+                break;
+            }
+        }
+
+        return [
+            'data' => $data,
+            'amount' => $amount
+        ];
+    }
+
+}

app/model/ZoneGoods.php

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+<?php
+
+namespace app\model;
+
+class ZoneGoods extends \think\Model
+{
+
+    public static function getList($param)
+    {
+
+        $where = ['status' => 1];
+        if (isset($param['zone_id'])) $where['zone_id'] = $param['zone_id'];
+        $field = 'zone_id,title,important,price,cover_image';
+        $list = self::where($where)->field($field)->order('id desc')->select()->toArray();
+        foreach ($list as &$item) {
+            $item['cover_image'] = get_image_url($item['cover_image']);
+        }
+        return $list;
+    }
+
+}

app/model/ZoneGoodsParam.php

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+<?php
+
+namespace app\model;
+
+use \think\Model;
+
+class ZoneGoodsParam extends Model
+{
+
+    /**
+     * 获取刮奖参数
+     * @param $where
+     * @return array
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+    public static function getList($where = [])
+    {
+        $where['status'] = 1;
+        $list = self::where($where)->field('amount,image,probability,awards')->select()->toArray();
+
+        $ZoneAmountParam = [];
+        foreach ($list as &$item) {
+
+            $item['image'] = get_image_url($item['image']);
+            if ($item['awards'] != 1) {
+                # 获取无奖项随机金额
+                $item['amount'] = ZoneAmountParam::getRandAmount($ZoneAmountParam);
+                $ZoneAmountParam = $item['data'];
+            }
+        }
+        return $list;
+    }
+
+    /**
+     * 获取中奖金额
+     * @author whj
+     * @date 2023-08-28 17:50
+     */
+    public static function getAwardsAmount($id)
+    {
+        $data = self::where(['id' => $id,'awards' => 1])->field('amount')->find();
+        return $data ?: false;
+    }
+
+}