数字转化函数

输入：单个文本
输出：将文本中英文数字转化为阿拉伯数字（存在全部小写的副作用）

Code_Reticent/Snt2Int.py

@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Apr 18 08:47:33 2025
+
+@author: 缄默
+"""
+
+def Snt2Int(text):
+    # 定义数字词与值的映射
+    number_words = {
+        'zero': 0, 'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5,
+        'six': 6, 'seven': 7, 'eight': 8, 'nine': 9, 'ten': 10,
+        'eleven': 11, 'twelve': 12, 'thirteen': 13, 'fourteen': 14,
+        'fifteen': 15, 'sixteen': 16, 'seventeen': 17, 'eighteen': 18,
+        'nineteen': 19, 'twenty': 20, 'thirty': 30, 'forty': 40,
+        'fifty': 50, 'sixty': 60, 'seventy': 70, 'eighty': 80, 'ninety': 90
+    }
+    units = {'hundred': 100, 'thousand': 1000, 'million': 1000000, 'billion': 1000000000}
+
+    words = text.lower().replace('-', ' ').split()  # 预处理：转为小写并分割
+    result = []
+    current_sequence = []
+
+    for word in words:
+        # 判断是否为数字词或单位词（忽略“and”）
+        if word in number_words or word in units:
+            current_sequence.append(word)
+        else:
+            if current_sequence:
+                result.append(_convert_sequence(current_sequence, number_words, units))
+                current_sequence = []
+            result.append(word)
+    
+    # 处理最后的数字序列
+    if current_sequence:
+        result.append(_convert_sequence(current_sequence, number_words, units))
+
+    return ' '.join(map(str, result))
+
+def _convert_sequence(sequence, number_words, units):
+    has_units = any(word in units for word in sequence)
+    if has_units:
+        total = 0
+        current_value = 0
+        for word in sequence:
+            if word in units:
+                unit = units[word]
+                if unit == 100:
+                    current_value *= unit
+                    total += current_value
+                    current_value = 0
+                elif unit in (1000, 1000000):
+                    total += current_value
+                    total *= unit
+                    current_value = 0
+            else:
+                current_value += number_words[word]
+        total += current_value
+        return total
+    else:
+        return int(''.join(str(number_words[word]) for word in sequence))