Python跨目录导入模块：解决子目录类文件引用问题

- Code/
    - Classes/
        - Dragoon.py
        - Character.py (等其他类)
    - Data/
        - Character_manager.py
        - Accounts.json

# Code/Classes/Dragoon.py
class Dragoon:
    def __init__(self):
        self.name = "Dragoon"
        print(f"{self.name} 角色已创建。")

    def attack(self):
        print(f"{self.name} 发动了猛龙断空斩！")

# 假设所有类都继承自Character，这里仅作示例
# class Character:
#     pass
# class Dragoon(Character):
#     pass

# Code/Data/Character_manager.py
import sys
import os

# 1. 获取当前脚本（Character_manager.py）所在的目录
current_script_dir = os.path.dirname(os.path.abspath(__file__))

# 2. 从当前脚本目录向上回溯到 'Code' 目录
# current_script_dir 是 'Code/Data'
# os.path.join(current_script_dir, '..') 会得到 'Code' 目录的路径
code_base_dir = os.path.abspath(os.path.join(current_script_dir, '..'))

# 3. 构建 'Classes' 目录的完整路径
# 将 'Code' 目录与 'Classes' 目录名拼接
classes_dir_path = os.path.join(code_base_dir, 'Classes')

# 4. 将 'Classes' 目录添加到 sys.path 的开头
# 这样 Python 解释器就能找到 'Classes' 目录下的模块
sys.path.insert(0, classes_dir_path)

# 5. 现在可以直接从 'Dragoon' 模块导入 'Dragoon' 类
# 确保 Dragoon.py 中定义了 Dragoon 类
from Dragoon import Dragoon

# 示例使用
if __name__ == "__main__":
    print("选择一个职业:")
    print("1. Dragoon")
    choice = input("你的选择: ")

    if choice == "1":
        character = Dragoon()
        character.attack()
    else:
        print("无效的选择。")

    # 打印当前的 sys.path，可以看到我们添加的路径
    # print("\n当前的 sys.path:")
    # for p in sys.path:
    #     print(p)

- Code/
    - Classes/
        - __init__.py
        - Dragoon.py
        - Character.py
    - Data/
        - __init__.py
        - Character_manager.py
        - Accounts.json

# Code/Data/Character_manager.py
# 从 Code/Data 目录相对导入 Code/Classes/Dragoon
from ..Classes.Dragoon import Dragoon

if __name__ == "__main__":
    character = Dragoon()
    character.attack()

- Code/
    - Classes/
        - Character.py  # 包含 Dragoon, Arbalist, Bard 等所有类定义
    - Data/
        - Character_manager.py

# Code/Classes/Character.py
class Character:
    def __init__(self, name="Generic Character"):
        self.name = name
        print(f"{self.name} 角色已创建。")

    def attack(self):
        print(f"{self.name} 发动了普通攻击。")

class Dragoon(Character):
    def __init__(self):
        super().__init__("Dragoon")

    def attack(self):
        print(f"{self.name} 发动了猛龙断空斩！")

class Arbalist(Character):
    def __init__(self):
        super().__init__("Arbalist")

    def attack(self):
        print(f"{self.name} 射出了致命箭矢！")

# Code/Data/Character_manager.py
import sys
import os

# 构建到 'Classes' 目录的绝对路径
current_script_dir = os.path.dirname(os.path.abspath(__file__))
code_base_dir = os.path.abspath(os.path.join(current_script_dir, '..'))
classes_dir_path = os.path.join(code_base_dir, 'Classes')

sys.path.insert(0, classes_dir_path)

# 从 Character 模块导入所有需要的类
from Character import Dragoon, Arbalist

if __name__ == "__main__":
    print("选择一个职业:")
    print("1. Dragoon")
    print("2. Arbalist")
    choice = input("你的选择: ")

    if choice == "1":
        character = Dragoon()
    elif choice == "2":
        character = Arbalist()
    else:
        print("无效的选择。")
        character = None

    if character:
        character.attack()