Wang's longing for love is crying in Du Fu's allusions?

Wang Di Chun Xin Du Fu Tiao is a famous sentence in Li Shangyin's famous piece Jinse in the late Tang Dynasty, and it is an untitled seven-character poem with the theme hidden in the instrument.

Original text:

Jinse [Tang] Li Shangyin

I want to know why my Jinse has fifty strings, and each string has a youthful interval.

Zhuangzi daydreaming, a saint, was bewitched by butterflies, and cuckoo crowed in the imperial spring.

Mermaids shed pearl-like tears on the moon-green sea, and the blue fields breathed their jade to the sun.

A moment that should last forever has come and gone before I know it.

Allusions:

"Wang Chun's heart is crying" comes from "The Records of Huayang Kingdom": "Du Yu proclaimed himself emperor,no.. ..... Its mutual understanding, decided that Lei Yushan in order to eliminate the flood, the emperor then instructed political affairs, and the law of Yao and Shun Zen taught benevolence and righteousness, so Zen was in enlightenment. The emperor rose to the western hills. In February this year, cuckoo birds sang, and Shu people mourned cuckoo birds. " Zi Juan is a cuckoo, also called Zi Gui. Cai Mengbi's On Du Gongbu Caotang Poetry 19 Du Fu's poems quoted Chengdu Ji: "When the emperor died, the soul turned into a bird, which is called Du Fu, which is also called Zigui." According to legend, Du Yinshui of Shu abdicated and lived in seclusion in the mountains. After his death, he became a cuckoo, wailing day and night until he cried and bled. Generally speaking, Wang Di's beautiful mind and actions can impress Du Fu.