feat(phase-3): add hot/cold number analysis with period filter

2026-04-21 23:41:39 +08:00
parent 7e4b6a3443
commit f36410dcc6
5 changed files with 197 additions and 1 deletions
@@ -74,6 +74,69 @@ class History extends Model
        ];
    }

+    /**
+     * 获取冷热号码
+     * @param int $periods 查询最近多少期
+     * @param string $type 查询类型 all=全部号码 special=仅特码
+     * @return array {hot: [], cold: [], all: []}
+     */
+    public function getHotColdNumbers($periods = 30, $type = 'all')
+    {
+        $num_model = new Num();
+        $colorMap = $num_model->column('color', 'num');
+        $animalMap = $num_model->column('animal', 'num');
+
+        $history = $this
+            ->field('expect,num1,num2,num3,num4,num5,num6,num7,openTime')
+            ->order('openTime', 'desc')
+            ->limit($periods)
+            ->select();
+
+        if (empty($history)) {
+            return ['hot' => [], 'cold' => [], 'all' => []];
+        }
+
+        $fields = ($type === 'special') ? ['num7'] : ['num1', 'num2', 'num3', 'num4', 'num5', 'num6', 'num7'];
+
+        // 统计每个号码的出现次数
+        $count = array_fill(1, 49, 0);
+        $totalAppearances = 0;
+        foreach ($history as $row) {
+            foreach ($fields as $field) {
+                $num = (int)$row[$field];
+                if ($num >= 1 && $num <= 49) {
+                    $count[$num]++;
+                    $totalAppearances++;
+                }
+            }
+        }
+
+        $all = [];
+        for ($num = 1; $num <= 49; $num++) {
+            $percent = $totalAppearances > 0 ? round($count[$num] / $totalAppearances * 100, 1) : 0;
+            $all[] = [
+                'num' => $num,
+                'count' => $count[$num],
+                'percent' => $percent,
+                'color' => $colorMap[$num] ?? '—',
+                'animal' => $animalMap[$num] ?? '—'
+            ];
+        }
+
+        // 按出现次数降序排序
+        $sorted = $all;
+        usort($sorted, function ($a, $b) {
+            return $b['count'] - $a['count'];
+        });
+
+        // 热号: top 10, 冷号: bottom 10
+        $hot = array_slice($sorted, 0, 10);
+        $cold = array_slice($sorted, -10);
+        $cold = array_reverse($cold);
+
+        return ['hot' => $hot, 'cold' => $cold, 'all' => $all];
+    }
+
    /**
     * 计算遗漏号码
     * @param int $periods 查询最近多少期