import os
    pathloc = 'C:\\Users\\lw\\Desktop\\课件'
    try:
        with open("log_logo", "w+", encoding="utf-8") as f:
            for root, dirs, files in os.walk(pathloc, topdown=False):
                # print('root:',root)
                # print('dirs:',dirs)
                # print('files:',files)
                tmpdir = root
                for filename in files:
                    if filename.endswith("java"):
                        filepath = os.path.join(tmpdir, filename)  #需要拼接路径
                        try:
                            with open(filepath, 'r', encoding="gbk")as f1:
                            # with open(filepath, 'r', encoding="utf-8")as f1:
                                s = f1.read()
                                # print(s)
                                f.write(s)
                        except:
                            with open(filepath, 'r', encoding="UTF-8")as f1:
                            # with open(filepath, 'r', encoding="utf-8")as f1:
                                s = f1.read()
                                # print(s)
                                f.write(s)
    except:
        pass

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