1 1、查
 2     输入：www.oldboy.org
 3     获取当前backend下的所有记录
 4 
 5 2、新建
 6     输入：
 7         arg = {
 8             'bakend': 'www.oldboy.org',
 9             'record':{
10                 'server': '100.1.7.9',
11                 'weight': 20,
12                 'maxconn': 30
13             }
14         }
15 
16 3、删除
17     输入：
18         arg = {
19             'bakend': 'www.oldboy.org',
20             'record':{
21                 'server': '100.1.7.9',
22                 'weight': 20,
23                 'maxconn': 30
24             }
25         }

 1 global       
 2         log 127.0.0.1 local2
 3         daemon
 4         maxconn 256
 5         log 127.0.0.1 local2 info
 6 defaults
 7         log global
 8         mode http
 9         timeout connect 5000ms
10         timeout client 50000ms
11         timeout server 50000ms
12         option  dontlognull
13 
14 listen stats :8888
15         stats enable
16         stats uri       /admin
17         stats auth      admin:1234
18 
19 frontend oldboy.org
20         bind 0.0.0.0:80
21         option httplog
22         option httpclose
23         option  forwardfor
24         log global
25         acl www hdr_reg(host) -i www.oldboy.org
26         use_backend www.oldboy.org if www
27 
28 backend www.oldboy.org
29         server 100.1.7.9 100.1.7.9 weight 20 maxconn 3000

 1 #! /usr/bin/env python
 2 # -*- coding:utf-8 -*-
 3 # Author linux ku
 4 #{'backend': 'www.oldboy.org','record':{ 'server': '100.1.7.9','weight': 20,'maxconn': 30}}
 5 #{'backend': 'www.cool2.org','record':{ 'server': '100.2.8.9','weight': 30,'maxconn': 70}}
 6 def recd_add():
 7     '''用来增加数据，暂时没有加入判断输入数据类型的内容'''
 8     add_inf_tmp = input('请输入要增加的内容')
 9     add_inf = eval(add_inf_tmp)
10     with open('G:\学习\Python\learnning\homework3\Record.txt', 'r+') as file:  #用可以读写的形式打开
11         for line in file:  #用来判断是否数据已存在
12             if 'backend' in line:
13                 line_ful = "backend {website}\n".format(website=add_inf['backend'])
14                 if line == line_ful:
15                     return print('The record already exits.')
16         file.write('\nbackend {backend}\n '.format(backend = add_inf['backend']))
17         file.write('\tserver {red1} weight {num1} maxconn {num2}\n'.format(red1=add_inf['record']['server'],  #记得读取是要用这个形式的，不能用数字哦，数字那个是列表
18                                                                            num1=add_inf['record']['weight'],
19                                                                            num2=add_inf['record']['maxconn']))
20     return print('Adding record successfully. ')
21 
22 
23 def recd_read():
24     '''用来读取数据'''
25     read_inf = (input('请输入要读取的地址'))
26     with open('G:\学习\Python\learnning\homework3\Record.txt', 'r') as file:  #用可以读写的形式打开
27         for line in file:  #用来判断是否数据已存在
28             if 'backend' in line:
29                 line_ful ="backend {website}\n".format(website=read_inf)
30                 if line == line_ful:
31                     rd = file.readline()
32                     return print(rd)   #这里要用print,不然输出不了
33     return 'The record do not exit. '
34 
35 
36 def recd_delete_stupid():
37     '''用来删除数据，先用个笨办法吧'''
38     del_inf = eval(input('请输入要删除的地址的内容'))
39     index_old_file = 0  #两个指针来记录行数变化，来判断输入数据是否正确
40     index_new_file = 0
41     with open('G:\学习\Python\learnning\homework3\Record.txt', 'r+') as file:  #用可以读写的形式打开
42         file_tmp = open('G:\学习\Python\learnning\homework3\Record_tmp.txt', 'w')
43         line_ful = "backend {website}\n".format(website=del_inf['backend'])
44         for line in file:  #用来新的文件来记录不包含待删除行的内容
45             if 'backend' not in line:
46                 file_tmp.write(line)
47                 index_new_file += 1
48                 index_old_file += 1
49             elif line != line_ful:
50                 file_tmp.write(line)
51                 index_new_file += 1
52                 index_old_file += 1
53             else:
54                 print('Delete {line}\n \t{content}'.format(line = line, content = file.readline()))
55                 index_old_file += 1
56     file_tmp.close() #转换模式，不然无法读取
57     file_tmp = open('G:\学习\Python\learnning\homework3\Record_tmp.txt', 'r')
58     if index_old_file == index_new_file:
59         file_tmp.close()   #记得关闭
60         return print('The input content is wrong!')
61     else:
62         with open('G:\学习\Python\learnning\homework3\Record.txt', 'w') as file:  # 用写模式打开，准备覆盖
63             for line in file_tmp:
64                 file.write(line)
65         file_tmp.close() #记得关闭
66         return print('The record has been delete. ')
67 
68 
69 choice_recd = ['add', 'delete', 'read','quit']  #用来判断输入的内容对不对
70 while True:
71     choice = input("Please input 'add', 'delete', 'read','quit'")
72     if choice in choice_recd:  #判断输入的内容对不对
73         if choice == 'add':
74             recd_add()
75         elif choice == 'read':
76             recd_read()
77         elif choice == 'delete':
78             recd_delete_stupid()
79         elif choice == 'quit':
80             break