Three-foot sword at the end of the road. Where does this poem come from?

This sentence should be a poem created by poetry lovers on the Internet.

The following is a three-foot sword sentence in ancient poetry:

1, Want to Cut Loulan's Three-Foot Sword —— Song Zhangyuangan's "He Xinlang sends Prime Minister Li"

2, waist light three feet sword-Song Six Kingdoms "He Xinlang Tan Pao West Road"

3. A three-foot sword from a famous family-Song Hongzi's "He Xinlang Luxi Autumn Bald Head"

4. Tang Luyan's Collected Taoist Scriptures Volume 2 Three-foot Sword-Seven Words.

5. Carrying a three-foot sword in the box-Tang Luyan's quatrains

6. Three-foot Longquan sword in the sleeve-Song Shibao's "Ancient Eighteen Poems"

7. Strike the Three-Foot Sword-Song Shi Dao Yan's Ancient Poetry

8. Hit a three-foot sword-Du Fu's "123 Poems"

9. Three-foot sword on the wall-a poem written by Song Xingxian for the late scholar Li Jun.

10, the sword is three feet-Song Liuguo's "The Palace of the King of Six Kingdoms"