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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                # FAQ ## 常見問題 本節列出常見的一些問題。 ## 如何獲取當前路徑 當前路徑可以用`'.'`表示,再用`os.path.abspath()`將其轉換為絕對路徑: ``` # -*- coding:utf-8 -*- # test.py import os print(os.path.abspath('.')) ``` 運行結果: ``` $ python3 test.py /Users/michael/workspace/testing ``` ## 如何獲取當前模塊的文件名 可以通過特殊變量`__file__`獲取: ``` # -*- coding:utf-8 -*- # test.py print(__file__) ``` 輸出: ``` $ python3 test.py test.py ``` ## 如何獲取命令行參數 可以通過`sys`模塊的`argv`獲取: ``` # -*- coding:utf-8 -*- # test.py import sys print(sys.argv) ``` 輸出: ``` $ python3 test.py -a -s "Hello world" ['test.py', '-a', '-s', 'Hello world'] ``` `argv`的第一個元素永遠是命令行執行的`.py`文件名。 ## 如何獲取當前Python命令的可執行文件路徑 `sys`模塊的`executable`變量就是Python命令可執行文件的路徑: ``` # -*- coding:utf-8 -*- # test.py import sys print(sys.executable) ``` 在Mac下的結果: ``` $ python3 test.py /usr/local/opt/python3/bin/python3.4 ```
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