def
cut_text(text,lenth):
#
//固定长度切割字符串
textArr = re.findall(
'
.{
'
+str(lenth)+
'
}
'
, text)
if
len(text)%lenth >
0:
textArr.append(text[(len(textArr)
*
lenth):])
return
textArr
def
to_two(lists):
#
//list转2进制
str_ =
""
for
i
in
lists:
str_
+= f
'
{bin(int(i))[2:]:0>8}
'
return
str_
while
True:
#
//输入判断
addr = input(
"
请输入起始ip==>
"
)
addr_
= input(
"
请输入终止ip==>
"
)
try
:
ipaddress.ip_address(addr)
ipaddress.ip_address(addr_)
except
Exception as e:
print
(
"
格式有误
"
)
int_addr
= [int(i)
for
i
in
addr.split(
"
.
"
)]
int_addr_
= [int(i)
for
i
in
addr_.split(
"
.
"
)]
if
int_addr_ <
int_addr:
print
(
"
起始大小有误
"
)
else
:
temp1
= addr.split(
"
.
"
)
temp2
= addr_.split(
"
.
"
)
small
=
to_two(temp1)
big
=
to_two(temp2)
number
= int(big,2) - int(small,2) + 1
print
(
"
即将生成指定的 {} 个ip，请稍后
"
.format(number))
break
if
__name__
==
"
__main__
"
:
f
= open (
"
ip.txt
"
,
"
w
"
)
process_bar
= ShowProcess(number,
'
OK
'
)
while
small <=
big:
bin_list
= cut_text(small,8
)
intstr_list
= [str(int(i,2))
for
i
in
bin_list]
f.write(
"
.
"
.join(intstr_list)+
"
\n
"
)
process_bar.show_process()
small
= f
'
{bin(int(small,2) + 1)[2:]:0>32}
'
f.close()
showprocess.py ↓↓↓
# -*- coding: UTF-8 -*-
import sys, time
class ShowProcess():
显示处理进度的类
调用该类相关函数即可实现处理进度的显示
i = 0 # 当前的处理进度
max_steps = 0 # 总共需要处理的次数
max_arrow = 50 #进度条的长度
infoDone = 'done'
# 初始化函数，需要知道总共的处理次数
def __init__(self, max_steps, infoDone = 'Done'):
self.max_steps = max_steps
self.i = 0
self.infoDone = infoDone
# 显示函数，根据当前的处理进度i显示进度
# 效果为[>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>]100.00%
def show_process(self, i=None):
if i is not None:
self.i = i
else:
self.i += 1
num_arrow = int(self.i * self.max_arrow / self.max_steps) #计算显示多少个'>'
num_line = self.max_arrow - num_arrow #计算显示多少个'-'
percent = self.i * 100.0 / self.max_steps #计算完成进度，格式为xx.xx%
process_bar = '[' + '>' * num_arrow + '-' * num_line + ']'\
+ '%.2f' % percent + '%' + '\r' #带输出的字符串，'\r'表示不换行回到最左边
sys.stdout.write(process_bar) #这两句打印字符到终端
sys.stdout.flush()
if self.i >= self.max_steps:
self.close()
def close(self):
print('')
print(self.infoDone)
self.i = 0
运行效果：
mysql带参数存储过程实例 mysql创建带参数的存储过程
我们都知道，现在MySQL的版本，可以支持存储过程了。我使用的是MySQL5.5的版本。1，创建存储过程delimiter $
create procedure in_out_procedure(in procedure_id int,out count_number int)
begin
select count(*) into count_number from temp_url
ubuntu设置python环境变量 ubuntu添加python环境变量
最近把自己在windows上的Django项目放在的Ubuntu上，启动时提示找不到模块原来是自己的项目用的是虚拟环境，安装的第三方库全部在虚拟环境中 AutoTestSite/venv/Lib/site-packages在Ubuntu中查看模块搜索路径：chen@ubuntu:~$ python
Python 2.7.12 (default, Nov 12 2018, 14:36:49)
