feat: 添加横幅相关接口

app/admin/model/v1/SysBannerItemModel.php

@@ -0,0 +1,56 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\admin\model\v1;
+
+use app\common\model\SysBannerItemBaseModel;
+use think\model\concern\SoftDelete;
+
+/**
+ * 横幅数据项模型
+ * @mixin \think\Model
+ */
+class SysBannerItemModel extends SysBannerItemBaseModel
+{
+    // 启用软删除
+    use SoftDelete;
+    // 软删除字段
+    protected $deleteTime = 'deleted_at';
+
+    // 关联分类
+    public function banner()
+    {
+        return $this->belongsTo(SysBannerModel::class, 'banner_id', 'id');
+    }
+
+    // 按横幅标题搜索
+    public function searchTitleAttr($query, $value, $data)
+    {
+        if (empty($value)) {
+            return;
+        }
+        $query->where('title', 'like', "%{$value}%");
+    }
+
+    // 按添加时间搜索
+    public function searchCreatedAtAttr($query, $value, $data)
+    {
+        if (empty($value)) {
+            return;
+        }
+        if (is_array($value)) {
+            if (count($value) > 1) {
+                $query->whereBetweenTime ('created_at', $value[0], $value[1]);
+            } else {
+                $query->whereTime('created_at', '>=', $value[0]);
+            }
+        }
+    }
+
+    // 根据横幅id查询
+    public function scopeBannerId($query, $value)
+    {
+        if (is_null($value)) return;
+        $query->where('banner_id', '=', $value);
+    }
+}