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文件增删改查(加日志记录)、有关文件小程序

1.

技术分享

 

技术分享
1 1,Alex Li,22,13651054608,IT,2013-04-01
2 2,Jack Wang,30,13304320533,HR,2015-05-03
3 3,Rain Liu,25,1383235322,Saies,2016-04-22
4 4,Mack Cao,40,1356145343,HR,2009-03-01
xinxi.txt
技术分享
1 # _*_ coding:utf-8 _*_
 2 import logging
 3 logger=logging.getLogger()
 4 # 创建一个handler,用于写入日志文件
 5 fh = logging.FileHandler(work.log)
 6 # 再创建一个handler,用于输出到控制台
 7 ch = logging.StreamHandler()
 8 formatter=logging.Formatter(   %(asctime)s-%(name)s\n%(levelname)s:%(message)s)
 9 fh.setFormatter(formatter)
10 ch.setFormatter(formatter)
11 logger.addHandler(fh)  #只使用文件写入
12 logger.setLevel(logging.DEBUG)
13 def info(s):
14     logger.info(s)
15 def error(s):
16     logger.error(s)
log.py
技术分享
 1 # _*_ coding:utf-8 _*_
  2 import time,log  #自动获取日期
  3 staff_table = []
  4 file_path=rE:\PycharmProjects\qz5\Day13\xinxi.txt
  5 def table_format():     #格式化输出
  6     global staff_table
  7     for line in staff_table:
  8         res = %d,%s,%s,%s,%s,%s\n % (line[staff_id], line[name], line[age], line[phone], line[dept], line[enroll_date])
  9         yield res
 10 def print_table(file_path):      #打印表格
 11     file_to_date(file_path)
 12     for i in table_format():
 13         print(i,end=‘‘)
 14 def file_to_date(file_path):        #读取文件
 15     global staff_table
 16     staff_table=[{staff_id:int(line.strip().split(,)[0]),name:line.strip().split(,)[1],age:line.strip().split(,)[2],phone:line.strip().split(,)[3],dept:line.strip().split(,)[4],enroll_date:line.strip().split(,)[5]} for line in open(file_path,encoding=utf-8)]
 17 def date_to_file(file_path):        #写入文件
 18     with open(file_path,w,encoding=utf-8) as f:
 19         for i in table_format():
 20             f.write(i)
 21 def output(line,cmd):       #筛选输出
 22     for key in line:
 23         if key in cmd[0].split(,) or cmd[0] == *:
 24             print(line[key], end= )
 25     print()
 26 def select():   #查询功能  可忽略大小写、单双引号
 27     print(Syntax examples:\n   select name,age from staff_table where age > 22\n   select * from staff_table where dept = \"IT\"\n   select * from staff_table where enroll_date like \"2013\")
 28     while True:
 29         n=0
 30         file_to_date(file_path)
 31         cmd=input(please input cmd(q break):).strip().lower().split()
 32         if cmd[0]==q:break
 33         cmd=[cmd[1], cmd[5:]]
 34         if \‘in cmd[1][2]:cmd[1][2]=cmd[1][2].strip(\‘)
 35         if \"in cmd[1][2]:cmd[1][2]=cmd[1][2].strip(\")
 36         for line in staff_table:
 37             if cmd[1][1] in  [>,<,>=,<=]:
 38                 if (cmd[1][1]==>and int(line[cmd[1][0]]) > int(cmd[1][2])) or (cmd[1][1]==>=and int(line[cmd[1][0]]) >= int(cmd[1][2])) or (cmd[1][1]==<and int(line[cmd[1][0]]) < int(cmd[1][2])) or (cmd[1][1]==<=and int(line[cmd[1][0]]) <= int(cmd[1][2])):
 39                     output(line, cmd)
 40                     n += 1
 41             elif cmd[1][1] == =and (line[cmd[1][0]] in [cmd[1][2] ,cmd[1][2].strip(\‘),cmd[1][2].strip(\"),cmd[1][2].lower()] or (cmd[1][2].isdigit() and line[cmd[1][0]] == int(cmd[1][2]))):
 42                 output(line,cmd)
 43                 n += 1
 44             elif cmd[1][1] == like and cmd[1][2] in line[cmd[1][0]].split(-) or cmd[1][2] in line[cmd[1][0]] or cmd[1][2] in line[cmd[1][0]].lower():
 45                 output(line,cmd)
 46                 n += 1
 47         print(相关查询共%d条 % n)
 48         log.info(select %s %s %s%(cmd[1],cmd[0],n))
 49 def create():   #创建  只判断年龄、手机号格式,入职时间为当前时间
 50     phone=[]
 51     file_to_date(file_path)
 52     while True:
 53         info=input(Please enter your name,age,phone number and dept\nuse \‘,\‘ to separate(q for break):).strip().split(,)
 54         if info[0]==q:break
 55         info={staff_id:len(staff_table)+1,name:info[0].strip(),age:info[1].strip(),phone:info[2].strip(),dept:info[3].strip(),enroll_date:time.strftime(%Y-%m-%d, time.localtime()) }
 56         if not info[age].isdigit() or int(info[age])not in range(1,110):
 57             print(Incorrect age format)
 58             continue
 59         for line in staff_table:
 60             phone.append(line[phone])
 61         if info[phone] in phone:
 62             print(The phone number already exists)
 63             continue
 64         if len(info[phone])!=11 or not info[phone].isdigit() or not info[phone].startswith(1):
 65             print(Incorrect phone number format)
 66             continue
 67         if not info[age].isdigit() or int(info[age])not in range(1,110):
 68             print(Incorrect age format)
 69             continue
 70         staff_table.append(info)
 71         log.info(create %s%info)
 72         print(Create user success)
 73         date_to_file(file_path)
 74 def delete():   #删除
 75     while True:
 76         print_table(file_path)
 77         cmd_n=int(input(Please enter the number to delete(0 for break):))
 78         if  cmd_n==0:break
 79         if  cmd_n-1 not in range(0,len(staff_table)):
 80             print(Beyond the optional range)
 81             continue
 82         log.info(delete %s%staff_table[cmd_n-1])
 83         staff_table.pop(cmd_n-1)
 84         for i,line in enumerate(staff_table,1):
 85             line[staff_id]=i
 86         date_to_file(file_path)
 87 def update():   #更新  可去除单引号、双引号
 88     global staff_table
 89     while True:
 90         print_table(file_path)
 91         print(Syntax examples:\n   UPDATE staff_table SET dept=\‘Market\‘ WHERE where dept=\‘IT\‘ )
 92         cmd = input(Please enter the modified information(q for break):\n).split()
 93         if cmd[0]==q:break
 94         cmd=[cmd[3],cmd[6]]
 95         sort=cmd[0].split(=)[0]
 96         where=cmd[1].split(=)[0]
 97         after = cmd[0].split(=)[1]
 98         before = cmd[1].split(=)[1]
 99         if \" in cmd[0] or \" in cmd[1]:
100             after = cmd[0].split(=)[1].strip(\")
101             before = cmd[1].split(=)[1].strip(\")
102         if \‘in cmd[0] or \‘in cmd[1]:
103             after=cmd[0].split(=)[1].strip(\‘)
104             before=cmd[1].split(=)[1].strip(\‘)
105         for line in staff_table:
106             if line[where]== before:
107                 log.info(update where %s=%s :%s %s--->%s % (where, before, sort,line[sort],after))
108                 line[sort]= after
109         date_to_file(file_path)
110 def main():
111     while True:
112         print(The function menu:1、select  2、create  3、delete  4、update  5、view all(\‘q\‘ for break))
113         cmd=input(please input the cmd:).strip()
114         if cmd == 1:select()
115         elif cmd == 2:create()
116         elif cmd == 3:delete()
117         elif cmd == 4:update()
118         elif cmd == 5:print_table(file_path)
119         elif cmd == q:break
120         else:continue
121 main()
View Code
技术分享
1    2017-06-23 10:43:59,986-root
 2 INFO:select [age, >, 22]  3
 3    2017-06-23 10:45:06,985-root
 4 INFO:select [dept, =, it] * 1
 5    2017-06-23 10:48:08,377-root
 6 INFO:create {staff_id: 5, name: ogen, age: 18, phone: 12345678901, dept: IT, enroll_date: 2017-06-23}
 7    2017-06-23 10:57:42,161-root
 8 INFO:delete {staff_id: 5, name: ogen, age: 18, phone: 12345678901, dept: IT, enroll_date: 2017-06-23}
 9    2017-06-23 12:01:01,152-root
10 INFO:update where dept=Market :dept Market--->IT
work.log

2、根据用户输入选择可以完成以下功能:

(1)创建文件,如果路径不存在,创建文件夹后创建文件

(2)查看当前路径

(3)在当前目录及所有子目录下查找文件名包含特定字符串的文件,比如查找所有txt文件

技术分享
1 import os
 2 def create_file():
 3     while True:
 4         file_path=input(Please input file path:).strip()
 5         if file_path==q:break
 6         if os.path.exists(file_path):
 7             print(File already exists)
 8         else:
 9             file_dir=os.sep.join(file_path.split(os.sep)[:-1])
10             os.makedirs(file_dir)
11             f=open(file_path,w)
12             f.close()
13 def find_file():
14     while True:
15         cmd=input(Please input the file you want to find:).strip()
16         if cmd==q:break
17         for dir,_,files in os.walk(os.getcwd()):
18             for file in files:
19                 file_name=%s%s%s%(dir,os.sep,file)
20                 if cmd in file:
21                     print(file_name)
22 def main():
23     while True:
24         print(The function menu:1、Create file 2、The current path  3、Find file)
25         cmd=input(>>>:).strip()
26         if cmd == q:break
27         elif cmd==1:create_file()
28         elif cmd==2:print(os.getcwd())
29         elif cmd==3:find_file()
30         else:continue
31 main()
View Code

 

文件增删改查(加日志记录)、有关文件小程序