近几年来，虽出版了不少京剧专著，但关于引子的解说却不多。在中国戏曲史上，引子由来已久。套曲的第一支曲子就称为引子。在曲牌联套体剧种中，引子为主要人物上场时所唱的曲子。在京剧中，引子是人物上场时采用的一种程式，用以表达人物的内。乙状态，并对剧情发展的由头作? In recent years, although a lot of Beijing opera monographs have been published, there are not many explanations on the primer. In the history of Chinese opera, the primer has a long history. The first song of a song is called a primer. In the Tunes Universal Studios opener, the prodigy is the song sung by the main characters. In Peking Opera, priming is a program that characters use to express their characters. B state, and the story of the development made by the head?