初始化项目

2026-09-01 22:15:50 +08:00
commit b5a26a8848
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+<?php
+
+namespace app\common\model;
+
+use think\Model;
+use think\Request;
+use think\Session;
+
+/**
+ * 模型基类
+ * Class BaseModel
+ * @package app\common\model
+ */
+class BaseModel extends Model
+{
+    public static $wxapp_id;
+    public static $base_url;
+
+    /**
+     * 模型基类初始化
+     */
+    public static function init()
+    {
+        parent::init();
+        // 获取当前域名
+        self::$base_url = base_url();
+        // 后期静态绑定wxapp_id
+        self::bindWxappId();
+    }
+
+    /**
+     * 获取当前调用的模块名称
+     * 例如：admin, api, store, task
+     * @return string|bool
+     */
+    protected static function getCalledModule()
+    {
+        if (preg_match('/app\\\(\w+)/', get_called_class(), $class)) {
+            return $class[1];
+        }
+        return false;
+    }
+
+    /**
+     * 后期静态绑定类名称
+     * 用于定义全局查询范围的wxapp_id条件
+     * 子类调用方式:
+     *   非静态方法:  self::$wxapp_id
+     *   静态方法中:  $self = new static();   $self::$wxapp_id
+     */
+    private static function bindWxappId()
+    {
+        if ($module = self::getCalledModule()) {
+            $callfunc = 'set' . ucfirst($module) . 'WxappId';
+            method_exists(new self, $callfunc) && self::$callfunc();
+        }
+    }
+
+    /**
+     * 设置wxapp_id (store模块)
+     */
+    protected static function setStoreWxappId()
+    {
+        $session = Session::get('yoshop_store');
+        self::$wxapp_id = $session['wxapp']['wxapp_id'];
+    }
+
+    /**
+     * 设置wxapp_id (api模块)
+     */
+    protected static function setApiWxappId()
+    {
+        $request = Request::instance();
+        self::$wxapp_id = $request->param('wxapp_id');
+    }
+
+    /**
+     * 获取当前域名
+     * @return string
+     */
+    protected static function baseUrl()
+    {
+        $request = Request::instance();
+        $host = $request->scheme() . '://' . $request->host();
+        $dirname = dirname($request->baseUrl());
+        return empty($dirname) ? $host : $host . $dirname . '/';
+    }
+
+    /**
+     * 定义全局的查询范围
+     * @param \think\db\Query $query
+     */
+    protected function base($query)
+    {
+        if (self::$wxapp_id > 0) {
+            $query->where($query->getTable() . '.wxapp_id', self::$wxapp_id);
+        }
+    }
+
+}