初始化

app/models/FinanceRecord.php

@@ -0,0 +1,56 @@
+<?php
+namespace app\models;
+
+use core\base\Model;
+
+/**
+ * 财务账务记录模型
+ */
+class FinanceRecord extends Model
+{
+    protected $table = 'finance_record';
+
+    public function getAll()
+    {
+        return $this->order(['record_date DESC', 'id DESC'])->fetchAll();
+    }
+
+    public function getById($id)
+    {
+        return $this->where(['id = :id'], [':id' => $id])->fetch();
+    }
+
+    public function getByDateRange($startDate, $endDate, $type = '')
+    {
+        $where = 'record_date >= :start AND record_date <= :end';
+        $params = [':start' => $startDate, ':end' => $endDate];
+        if ($type) {
+            $where .= ' AND type = :type';
+            $params[':type'] = $type;
+        }
+        return $this->where([$where], $params)->order(['record_date DESC', 'id DESC'])->fetchAll();
+    }
+
+    public function getSummary($startDate, $endDate)
+    {
+        $sql = "SELECT 
+            type,
+            SUM(amount) AS total,
+            COUNT(*) AS cnt
+        FROM " . $this->getTable() . "
+        WHERE record_date >= :start AND record_date <= :end
+        GROUP BY type";
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute([':start' => $startDate, ':end' => $endDate]);
+        return $stmt->fetchAll();
+    }
+
+    public function getCount()
+    {
+        $sql = 'SELECT COUNT(*) AS cnt FROM ' . $this->getTable();
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute();
+        $row = $stmt->fetch();
+        return (int)($row['cnt'] ?? 0);
+    }
+}