在杜诗学发展史上,宋代无疑是极为重要的一个时期。宋人在杜诗的搜集、校勘、编年、注释等方面均为整个杜诗学奠定了基础,而且具有发凡起例的深远意义。早在中唐时期,杜诗就已处于零落散乱的状态。韩愈曾慨叹李、杜诗作多有散落:“流落人间者,泰山一毫芒!”①到了宋代,经过几代 In the history of the development of Du poetics, the Song Dynasty is undoubtedly an extremely important period. The Song people laid the foundation for the whole Du poetics in the collection, collation, chronology and annotation of Du Fu poetry, and they have the far-reaching significance of making the example. As early as the Middle Tang Dynasty, Du Fu had been in a state of scattered and scattered. Han Yu has lamented Lee, Du Poetry are scattered: “the world, Tarzan a mill!” ① to the Song Dynasty, after several generations