从《左传》杜注看杜预的《诗》学观

晋人杜预的《春秋左氏经传集解》，于《左传》用《诗》多有解说，自成一家之言。对“诗言志”这一《诗》学中最核心的命题，杜注以“作诗以言志”标明自作诗以言己志，以“诗以言志”标明称《诗》以言己志，并以“赋诗者取其一章”标明赋诗断章，以“义取XX”“言XX”“多取首章之义”等标明断章取义之所在。研究《左传》用《诗》之杜注，可从中窥见杜预的《诗》学观点。

The Du Yu's Study on Book of Songs from His Notes to ZuoZhuan

There are many explanatory notes to Zuo Zhuan in the way of Book of Songs in the book ChunQiou Zuo Shi Jin Zhuan Ji Jie noted by Du Yu of the state od Jin, which becomes one kind of thought. To the theme that poems express ambitions, which is most important in the study on Book of Songs, Du Yu explains with the notes that writing poems is to express ambitions to indicates that he writes poems to express his ambition, with the notes that poems express ambitions to indicate that Book of Songs express his ambition, with the note that the poem composer quotes one chapter to indicate composing poems partially, with quoting meanings from some chapters, saying something, usually quoting the first chapter''s meanings and etc to indicate quotation out of content. When researching Du Yu''s explanatory notes to Zuo Zhuan in the way of Book of Songs, we can find out Du Yu''s ideas to Book of Songs.