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extend/tools/Config.php

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+<?php
+// +------------------------------------------------+
+// |http://www.cjango.com                           |
+// +------------------------------------------------+
+// | 修复BUG不是一朝一夕的事情，等我喝醉了再说吧！  |
+// +------------------------------------------------+
+// | Author: 小陈叔叔 <Jason.Chen>                  |
+// +------------------------------------------------+
+namespace tools;
+
+use think\Cache;
+use think\Config as Conf;
+use think\Db;
+
+/**
+ * 加载系统配置,依赖数据库和缓存
+ */
+class Config
+{
+    /**
+     * 加载系统扩展配置
+     */
+    public static function load()
+    {
+        $config = Cache::get('db_config_cache_data');
+        if (!$config) {
+            $data   = Db::name('Config')->where('status', 1)->field('type,name,value')->select();
+            $config = [];
+            if ($data && is_array($data)) {
+                foreach ($data as $value) {
+                    $config[$value['name']] = self::parse($value['type'], $value['value']);
+                }
+            }
+            Cache::set('db_config_cache_data', $config);
+        }
+        Conf::set($config);
+    }
+
+    /**
+     * 根据配置类型解析配置
+     * @param  integer $type  配置类型
+     * @param  string  $value 配置值
+     * @return array
+     */
+    private static function parse($type, $value)
+    {
+        switch ($type) {
+            case 3: //解析数组
+                $array = preg_split('/[\r\n]+/', trim($value, "\r\n"));
+                if (strpos($value, ':')) {
+                    $value = [];
+                    foreach ($array as $val) {
+                        list($k, $v) = explode(':', $val, 2);
+                        $value[$k]   = $v;
+                    }
+                } else {
+                    $value = $array;
+                }
+                break;
+        }
+        return $value;
+    }
+
+    /**
+     * 清除配置缓存
+     */
+    public static function clear()
+    {
+        Cache::rm('db_config_cache_data');
+    }
+}