论刘禹锡咏史诗前后期内容上的差异及成因

On the Difference in Contents between the Earlier Stage and the Later Stage of Liu Yuxi's History-Praising Poems and the Contributing Factors for the Difference

中唐诗人刘禹锡在咏史诗的创作上取得了很大的成就。从创作时间来看 ,可以分为前后两个时期 ,前后期的内容有明显的不同 ,这一现象与他本人前后期境遇、心态的变化有关 。