Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/8f6685d76c5d626b60bbe15afd84778b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 objectlens例句_objectlens英汉例句_objectlens双解例句_绍翊字体网有道词典
The ObjectLen() function returns the length of an object expression. Note that only line and polyline objects have length values greater than zero; 函数可以统计直线或折线的长度。不知道你为什么说它只能统计直线长度，再好好看看。