增加扩展机制定位文件；将common模块实现扩展模式；发布新版本；

extend/base/common/provider/db/QueryBase.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace base\common\provider\db;
+
+use think\db\Query as DbQuery;
+use think\facade\Env;
+use think\facade\Log;
+use think\helper\Str;
+
+class QueryBase extends DbQuery
+{
+    /**
+     * autoCache 自动生成缓存.
+     *
+     * @param null|string $key
+     * @param null|string|int $field_key_value
+     * @param null|string $tag
+     * @param null|string|int $field_tag_value
+     * @return void
+     */
+    public function autoCache($key = null, $field_key_value = null, $tag = null, $field_tag_value = null)
+    {
+        $table_name = Str::snake($this->getName());
+
+        if (is_null($key)) {
+            $key = $this->getOptionsMd5();
+        }
+
+        if (!is_null($field_key_value)) {
+            $key = $key . '_' . $field_key_value;
+        }
+        $key = $table_name . '_' . $key;
+
+        if (!is_null($tag)) {
+            if (!is_null($field_tag_value)) {
+                $tag = $tag . '_' . $field_tag_value;
+            }
+
+            $tag = $table_name . '_' . $tag;
+        }
+
+        if (Env::get('app.auto_cache_log')) {
+            Log::debug('use auto cache:' . $key);
+            Log::debug('use auto cache tag:' . $tag);
+        }
+
+        $this->cache($key, null, $tag);
+
+        return $this;
+    }
+
+    public function getOptionsMd5()
+    {
+        $options = $this->getOptions();
+
+        // TODO:支持获取回调函数的设置
+
+        return md5(json_encode($options));
+    }
+}