URI字符串转换为带元音的德语字符串

import urllib.parse

def convert_uri_to_german(uri):
    # 解析URI字符串
    parsed_uri = urllib.parse.urlparse(uri)
    
    # 提取路径部分
    path = parsed_uri.path
    
    # 转换为带元音的德语字符串
    german_string = ""
    for char in path:
        if char == 'a':
            german_string += 'ä'
        elif char == 'o':
            german_string += 'ö'
        elif char == 'u':
            german_string += 'ü'
        else:
            german_string += char
    
    # 拼接生成新的URI字符串
    new_uri = urllib.parse.urlunparse(parsed_uri._replace(path=german_string))
    
    return new_uri

# 示例输入
uri = "https://www.example.com/path/to/resource"

# 转换URI字符串为带元音的德语字符串
german_uri = convert_uri_to_german(uri)

print("转换前的URI字符串:", uri)
print("转换后的带元音的德语字符串:", german_uri)