中文文献（文言）两个版本差异对比，有没有什么方案？

这个自己实现起来应该比较容易，首先把两个都专程简体或者繁体，然后对符号也都转成一样的，然后直接对比差异

补充个难度更大点的例子。断句、复杂的标点。（甚至有中间缺失几句的）

版本 1
帝曰：「有其年已老而有子者，何也？」岐伯曰：「此其天度，常通，而有也。此有子，男不八八，女不七七，而天地之精皆竭矣。」

版本 2
帝曰有其年已老而有子者何也
岐伯曰此其天度常通而有也
此有子男不八八女不七七
而天地之精皆竭矣

字数都一样么？问问 gpt 就能用 python 给你生成个代码

```python
import opencc
import re
from difflib import SequenceMatcher

PATTERN_CHINESE = re.compile(r'[\u4e00-\u9fa5]')
COnVERTER= opencc.OpenCC("t2s")

# 只保留中文
def clean(text):
return ''.join(PATTERN_CHINESE.findall(text))

# 繁体转简体
def simplify(text):
return CONVERTER.convert(text)

# 比较文本
def compare_text(text1, text2):
text1 = clean(text1)
text2 = clean(text2)
text1a = simplify(text1)
text2a = simplify(text2)
matcher = SequenceMatcher(None, text1a, text2a)
diffs = matcher.get_opcodes()
index = 0
for tag, i1, i2, j1, j2 in diffs:
if tag == 'replace':
index += 1
print(f'{index}. {text1[i1:i2]} <-> {text2[j1:j2]}')

# 简体转繁体
simplified_text = '''床 前 看 月 光

疑 是 地 上 霜

举 头 望 山 月

低 头 思 故 乡'''
traditional_text = '''前明月光，疑是地上霜。

望明月，低思故。'''

compare_text(simplified_text,traditional_text)
```

可以用编辑距离建模。

准备工作：找一本字典，记住所有的标点、空白、汉字，以及同一个字的不同写法（简体繁体异体字）。

1. 两个字符串都删除所有的标点空白，只留汉字。
2. 计算编辑距离最小的编辑：把一个字替换为它的其他写法、删除一个字、增加一个字的代价可以都设置为 1 （这样的话把一个字改成和它没关系的另一个字的代价就是 2 ）。

第二步是标准的动态规划问题。

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