``` import os '''获得当前路径 ''' cwd=os.getcwd() print(cwd) ''' 得到当前文件夹下的所有文件和文件夹 ''' print(os.listdir()) ''' delete file ''' os.remove('sw724.vaps') print(os.listdir()) ''' 删除单个目录和多个目录 ''' os.removedir() os.removedir() ''' 检查是否是文件／文件夹 ''' print(os.path.isfile('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps')) print(os.path.isdir('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps')) ''' 检查文件路径是否存在 ''' print(os.path.exists('/Users/liuxiaolong/PycharmProjects/untitled/iiii')) ''' 分离文件名 分离扩展名 ''' [dirname,filename]=os.path.split('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps') print(dirname,"\n",filename) [fname,fename]=os.path.splitext('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps') print(fname,"\n",fename) ''' 获得文件路径 获得文件名 获得当前环境 ''' print("get pathname:",os.path.dirname('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps')) print("get filename:",os.path.basename('/Users/liuxiaolong/PycharmProjects/untitled/sw724.vaps')) print(os.getenv) ```