一、诗歌格律化的缘起诗歌的格律化,起自古人对“四声”的发现,据《南史·周颙传》记载,“(颙)始著《四声切韵》行于时”①。《南史·沈约传》曰,“约又撰《四声谱》,以为‘在昔词人累千载而不悟,而独得胸衿,穷其妙旨’。自谓入神之作”②。而据《文镜秘府论·四声论》载:“宋末以来,始有四声之 First, the discipline of the poetic style of the origins of poetry from the ancient to the ”four“ According to the ”history of South Zhou Chuan“ records, ”(颙) At the time “①. ”The history of the South Shen pass,“ said, ”About again“ four sound spectrum ”, that ’in the past few words tired but not realized, but only chest, poor its purpose.’ “②. According to ”Manchu secret government on the four sound theory“ contains: ”Since the end of Song Dynasty, there are four sound