From 0f82bfe8be10839c6c3383c7f6e07454620ae431 Mon Sep 17 00:00:00 2001
From: wanghongjun <1445693971@qq,com>
Date: Wed, 13 Sep 2023 17:42:09 +0800
Subject: [PATCH] =?UTF-8?q?=E9=9A=8F=E6=9C=BA=E5=9B=BE=E7=89=87?=
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---
 app/common.php                     | 55 ++++++++++++++++++++++++++++--
 app/controller/AdminZoneManage.php |  2 +-
 app/logic/Zone.php                 | 14 ++++----
 3 files changed, 61 insertions(+), 10 deletions(-)

diff --git a/app/common.php b/app/common.php
index 98e65e0..e0e079b 100644
--- a/app/common.php
+++ b/app/common.php
@@ -136,11 +136,62 @@ function format_phone_number($phoneNumber):string
  */
 function rand_avatar()
 {
-    $avatarArr = config('custom.avatar') ?: [];
-    $rand = rand(0,count($avatarArr));
+    $avatarArr = return_image_name('avatar') ?: config('custom.avatar');
+    $rand = rand(0,count($avatarArr)-1);
     return $avatarArr[$rand] ?: '';
 }
 
+/**
+ * 获取目录下面的图片文件
+ * @param string $path
+ * @return array
+ */
+function return_image_name(string $path = 'icon'):array
+{
+    $public_path = public_path();
+    $imageDir = $public_path . '/storage/'.$path;
+
+    $files = scandir($imageDir); // 获取目标文件夹下的文件名
+
+    // 过滤掉当前目录（'.'）和上级目录（'..'）
+    $files = array_diff($files, ['.', '..']);
+    $imageExtensions = ['jpg', 'jpeg', 'png', 'gif'];
+    foreach ($files as $key => $imageName) {
+        # 获取文件后缀
+        $extension = pathinfo($imageName, PATHINFO_EXTENSION);
+        # 过滤不是图片的文件或目录
+        if (!in_array(strtolower($extension),$imageExtensions)) {
+            unset($files[$key]);
+            continue;
+        }
+        # 组合路径
+        $files[$key] =  $path . '/' . $imageName;
+    }
+    # 排序覆盖数组索引
+    sort($files);
+    return $files;
+}
+
+/**
+ * 返回图片链接
+ * @param string $path  // 获取目录下面的图片文件
+ * @param bool $is_http // true = 图片完整访问路径
+ * @return string
+ */
+function rand_icon(string $path = 'icon',bool $is_http = false):string
+{
+    $files = return_image_name($path);
+    if (empty($files)) return '';
+    $rand = rand(0,count($files)-1);
+    $imageUrl = $files[$rand] ?: '';
+    if ($is_http) {
+        $domain = \think\facade\Request::instance()->domain();
+        $url = config('filesystem.disks.public.url');
+        return $domain . $url . '/' . $imageUrl;
+    }
+    return $imageUrl;
+}
+
 /**
  * 返回金额
  * @param $number
diff --git a/app/controller/AdminZoneManage.php b/app/controller/AdminZoneManage.php
index dd7b888..6efff1a 100644
--- a/app/controller/AdminZoneManage.php
+++ b/app/controller/AdminZoneManage.php
@@ -143,7 +143,7 @@ class AdminZoneManage extends BaseController
                 $ZoneGoodsParam->save([
                     'zone_goods_id' => $zone_goods_id,
                     'amount'        => $param['amount'],
-                    'image'         => rand_avatar(),
+                    'image'         => $param['amount'] > 0 ? rand_icon('awards_icon') : rand_icon(),
                     'probability'   => $param['probability'] / 100,
                     'create_time'   => date("Y-m-d H:i:s",time())
                 ]);
diff --git a/app/logic/Zone.php b/app/logic/Zone.php
index bc598b6..2ed11e0 100644
--- a/app/logic/Zone.php
+++ b/app/logic/Zone.php
@@ -184,9 +184,12 @@ class Zone
 
     /**
      * 获取刮刮乐信息（概率算法）
-     * @return array
+     * @param array $patterns   // 数据 和 占比
+     * @param int $direction   // 纵向数量
+     * @param int $transverse  // 横向数量
+     * @return array[]
      */
-    public static function getWinningPrize($patterns)
+    public static function getWinningPrize(array $patterns,int $direction = 3,int $transverse = 4)
     {
 //        $patterns = [
 //            ['image' => 'prize1.png', 'probability' => 0.3],      // 奖项图案，概率为30%
@@ -215,14 +218,11 @@ class Zone
         }
         unset($pattern);
 
-        $numberOfGroups = 3; // 要生成的图案组数
-        $groupNum = 4; // 要生成的图案组数
-
         $data = [];
         $save_data = [];
-        for ($i = 0; $i < $numberOfGroups; $i++) {
+        for ($i = 0; $i < $direction; $i++) {
 
-            for ($j = 0; $j < $groupNum; $j++) { // 每组生成 3 个图案
+            for ($j = 0; $j < $transverse; $j++) { // 每组生成 3 个图案
                 $selectedPattern = null;
                 $randomNumber = mt_rand() / mt_getrandmax(); // 生成 0 到 1 之间的随机数