廊,在我国古建筑中,有悠久的历史。据地下发掘资料可知,早在原始社会晚期的半地穴式房屋中,就已出现了廊的构造(门外部分即为廊)。到了商、周时代,廊的规模更为宏大。据文字学家考证,商朝甲骨文有“良”字,即为房舍前后有廊之形,“良为廊之本字”(见徐中舒主编《汉语古文字字形 Gallery, in our ancient buildings, has a long history. According to underground excavation data, we can see that the structure of the porch has appeared in the half-cave houses in the late primitive society (the outer part is the porch). By the Shang and Zhou dynasties, the size of the gallery was even greater. According to textual studies, Shang Dynasty Oracle has “good ” character, that is, before and after the gallery has the shape of the corridor, “good for the corridor of the word ” (see Xu Zhongshu editor of "Chinese ancient glyph