初始化

app/models/Asset.php

@@ -0,0 +1,35 @@
+<?php
+namespace app\models;
+
+use core\base\Model;
+
+/**
+ * 固定资产模型
+ */
+class Asset extends Model
+{
+    protected $table = 'asset';
+
+    public function getAll()
+    {
+        return $this->order(['id DESC'])->fetchAll();
+    }
+
+    public function getById($id)
+    {
+        return $this->where(['id = :id'], [':id' => $id])->fetch();
+    }
+
+    public function getCount()
+    {
+        $sql = 'SELECT COUNT(*) AS cnt, SUM(purchase_price * quantity) AS total_value FROM ' . $this->getTable();
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute();
+        return $stmt->fetch();
+    }
+
+    public function getByStatus($status)
+    {
+        return $this->where(['status = :st'], [':st' => $status])->order(['id DESC'])->fetchAll();
+    }
+}