文件还在测试中

app/Models/Setting.php

@@ -0,0 +1,42 @@
+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Setting extends Model
+{
+    protected $table = 'settings';
+    protected $orderBy = 'id';
+
+    /** 读取单个设置 */
+    public function get(string $key, $default = '')
+    {
+        $row = $this->where('skey', $key);
+        return $row ? $row['sval'] : $default;
+    }
+
+    /** 批量读取为 [skey => sval] */
+    public function allKV(): array
+    {
+        $out = [];
+        foreach ($this->all() as $r) $out[$r['skey']] = $r['sval'];
+        return $out;
+    }
+
+    /** 设置（不存在则新增） */
+    public function set(string $key, $val, string $group = 'site'): void
+    {
+        $row = $this->where('skey', $key);
+        if ($row) {
+            $this->update($row['id'], ['sval' => $val, 'sgroup' => $group]);
+        } else {
+            $this->insert(['skey' => $key, 'sval' => $val, 'sgroup' => $group]);
+        }
+    }
+
+    /** 批量保存 */
+    public function saveMany(array $pairs, string $group = 'site'): void
+    {
+        foreach ($pairs as $k => $v) $this->set($k, $v, $group);
+    }
+}