215 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			215 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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class Config
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{
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    /**
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     * @var array 配置参数
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     */
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    private static $config = [];
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    /**
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     * @var string 参数作用域
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     */
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    private static $range = '_sys_';
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    /**
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     * 设定配置参数的作用域
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     * @access public
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     * @param  string $range 作用域
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     * @return void
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     */
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    public static function range($range)
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    {
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        self::$range = $range;
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        if (!isset(self::$config[$range])) self::$config[$range] = [];
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    }
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    /**
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     * 解析配置文件或内容
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     * @access public
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     * @param  string $config 配置文件路径或内容
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     * @param  string $type   配置解析类型
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     * @param  string $name   配置名(如设置即表示二级配置)
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     * @param  string $range  作用域
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     * @return mixed
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     */
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    public static function parse($config, $type = '', $name = '', $range = '')
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    {
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        $range = $range ?: self::$range;
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        if (empty($type)) $type = pathinfo($config, PATHINFO_EXTENSION);
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        $class = false !== strpos($type, '\\') ?
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            $type :
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            '\\think\\config\\driver\\' . ucwords($type);
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        return self::set((new $class())->parse($config), $name, $range);
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    }
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    /**
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     * 加载配置文件(PHP格式)
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     * @access public
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     * @param  string $file  配置文件名
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     * @param  string $name  配置名(如设置即表示二级配置)
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     * @param  string $range 作用域
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     * @return mixed
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     */
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    public static function load($file, $name = '', $range = '')
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    {
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        $range = $range ?: self::$range;
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        if (!isset(self::$config[$range])) self::$config[$range] = [];
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        if (is_file($file)) {
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            $name = strtolower($name);
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            $type = pathinfo($file, PATHINFO_EXTENSION);
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            if ('php' == $type) {
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                return self::set(include $file, $name, $range);
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            }
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            if ('yaml' == $type && function_exists('yaml_parse_file')) {
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                return self::set(yaml_parse_file($file), $name, $range);
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            }
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            return self::parse($file, $type, $name, $range);
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        }
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        return self::$config[$range];
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    }
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    /**
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     * 检测配置是否存在
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     * @access public
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     * @param  string $name 配置参数名(支持二级配置 . 号分割)
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     * @param  string $range  作用域
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     * @return bool
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     */
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    public static function has($name, $range = '')
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    {
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        $range = $range ?: self::$range;
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        if (!strpos($name, '.')) {
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            return isset(self::$config[$range][strtolower($name)]);
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        }
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        // 二维数组设置和获取支持
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        $name = explode('.', $name, 2);
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        return isset(self::$config[$range][strtolower($name[0])][$name[1]]);
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    }
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    /**
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     * 获取配置参数 为空则获取所有配置
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     * @access public
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     * @param  string $name 配置参数名(支持二级配置 . 号分割)
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     * @param  string $range  作用域
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     * @return mixed
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     */
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    public static function get($name = null, $range = '')
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    {
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        $range = $range ?: self::$range;
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        // 无参数时获取所有
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        if (empty($name) && isset(self::$config[$range])) {
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            return self::$config[$range];
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        }
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        // 非二级配置时直接返回
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        if (!strpos($name, '.')) {
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            $name = strtolower($name);
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            return isset(self::$config[$range][$name]) ? self::$config[$range][$name] : null;
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        }
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        // 二维数组设置和获取支持
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        $name    = explode('.', $name, 2);
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        $name[0] = strtolower($name[0]);
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        if (!isset(self::$config[$range][$name[0]])) {
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            // 动态载入额外配置
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            $module = Request::instance()->module();
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            $file   = CONF_PATH . ($module ? $module . DS : '') . 'extra' . DS . $name[0] . CONF_EXT;
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            is_file($file) && self::load($file, $name[0]);
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        }
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        return isset(self::$config[$range][$name[0]][$name[1]]) ?
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            self::$config[$range][$name[0]][$name[1]] :
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            null;
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    }
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    /**
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     * 设置配置参数 name 为数组则为批量设置
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     * @access public
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     * @param  string|array $name  配置参数名(支持二级配置 . 号分割)
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     * @param  mixed        $value 配置值
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     * @param  string       $range 作用域
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     * @return mixed
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     */
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    public static function set($name, $value = null, $range = '')
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    {
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        $range = $range ?: self::$range;
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        if (!isset(self::$config[$range])) self::$config[$range] = [];
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        // 字符串则表示单个配置设置
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        if (is_string($name)) {
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            if (!strpos($name, '.')) {
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                self::$config[$range][strtolower($name)] = $value;
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            } else {
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                // 二维数组
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                $name = explode('.', $name, 2);
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                self::$config[$range][strtolower($name[0])][$name[1]] = $value;
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            }
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            return $value;
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        }
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        // 数组则表示批量设置
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        if (is_array($name)) {
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            if (!empty($value)) {
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                self::$config[$range][$value] = isset(self::$config[$range][$value]) ?
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                    array_merge(self::$config[$range][$value], $name) :
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                    $name;
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                return self::$config[$range][$value];
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            }
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            return self::$config[$range] = array_merge(
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                self::$config[$range], array_change_key_case($name)
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            );
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        }
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        // 为空直接返回已有配置
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        return self::$config[$range];
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    }
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    /**
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     * 重置配置参数
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     * @access public
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     * @param  string $range 作用域
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     * @return void
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     */
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    public static function reset($range = '')
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    {
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        $range = $range ?: self::$range;
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        if (true === $range) {
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            self::$config = [];
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        } else {
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            self::$config[$range] = [];
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        }
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    }
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}
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