**中文文档**
        
        遍历dir_abspath目录下的所有子目录, 返回绝对路径。

def yield_all_dir_path(dir_abspath):
        """
        
        **中文文档**
        
        遍历dir_abspath目录下的所有子目录, 返回绝对路径。
        """
        if os.path.isdir(dir_abspath):
            for current_folder, folderlist, _ in os.walk(dir_abspath):
                for folder in folderlist:
                    yield os.path.join(current_folder, folder)
        else:
            raise Exception(
                "'%s' may not exists or is not a directory!" % dir_abspath)