小程序：根据用户输入选择可以完成以下功能：
创意文件，如果路径不存在，创建文件夹后再创建文件
能够查看当前路径
在当前目录及其所有子目录下查找文件名包含指定字符串的文件
1 import os
2 def currentdir():
3 return os.getcwd()
4
5 def writefile(inputfile):
6 #r"test\test1\b.txt"
7 fullpath = os.path.join(currentdir,inputfile )
8 full_dir = os.path.dirname(fullpath)
9 if not os.path.exists(full_dir):
10 os.makedirs(full_dir)
11 filename1 = os.path.basename(fullpath)
12 with open(fullpath,'w+',encoding = 'utf-8') as f_write:
13 f_write.write('test1file\n')
14 f_write.write('dfile\n')
15 f_write.write('best\n')
16 def getfile(inputfile):
17 fullpath = os.path.join(currentdir, inputfile)
18 if not os.path.exists(fullpath):
19 writefile(input_path)
20 print("当前路径为:", os.path.dirname(fullpath))
21 with open(fullpath, 'r+', encoding='utf-8') as f_read:
22 for i in f_read:
23 print(i.strip('\n'))
24 print("当前路径为:",os.path.dirname(fullpath))
25 def searchfile(inputfile,content):
26 ser_content = input("search content")
27 fullpath = os.path.join(currentdir, inputfile)
28 for res in os.listdir(os.path.dirname(fullpath)):
29
30 st1 = inputfile.split(os.sep)
31 pst1 = os.sep.join(st1[:-1])
32 new_fullpath = os.path.join(currentdir,pst1,res)
33
34 with open(new_fullpath, 'r+', encoding='utf-8') as f_read:
35 for i in f_read:
36 if ser_content in i:
37 print(new_fullpath)
38 else:
39 print('nothing')
40 currentdir = currentdir()
41 while True:
42 input_path = input("请输入路径>>>")
43 cmd_dict = {"getfile": getfile, "writefile": writefile, "searchfile":searchfile}
44 for fun in cmd_dict:
45 print (fun)
46 opt = input("请输入:>>>")
47 if opt in cmd_dict:
48 if not os.path.exists(os.path.join(currentdir, input_path)):
49 cmd1 = cmd_dict.get(opt)
50 cmd1(input_path)
51 elif opt == 'searchfile':
52 searchfile(input_path,'file')
53
54 else:continue
55 continue
