/**
     * 描述 : 指定尺码排序
     * 作者 : Smart.Chen
     */
    public static function sizeSort(&$array)
    {
        $sortConfig = [
	        'XS',
	        'S',
	        'M',
	        'L',
	        'XL',
	        '2XL',
	        '3XL',
	        '4XL',
	        '14W',
	        '16W',
	        '18W',
	        '20W',
	        '22W',
	        '24W',
	        '26W',
	        'XS',
	        'S',
	        'M',
	        'L',
	        'XL',
	        '1X',
	        '2X',
	        '3X',
	        '4X',
	    ];
        $newConfig = [];
        //所有尺码 key => value
        $specArr = array_flip(getSpec());
        //获取尺码对应编号
        foreach ($sortConfig as $v) {
            $newConfig[] = $specArr[$v] ?? $v;
        }
        usort($array, function ($a, $b) use ($newConfig) {
            $pos_a = array_search($a['spec'], $newConfig);
            $pos_b = array_search($b['spec'], $newConfig);
            return $pos_a - $pos_b;
        });
        $newArr = [];
        //因为要按颜色区别
        foreach ($array as $v) {
            $newArr[$v['color']][$v['sku']] = $v;
        }
        $endArr = [];
        //重新赋值
        foreach ($newArr as $n) {
            foreach ($n as $sku => $s) {
                $endArr[$sku] = $s;
            }
        }
        //最后结果
        $array = $endArr;
    }