100 lines
2.5 KiB
Python
100 lines
2.5 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding:utf-8 -*-
|
|
# Author: yiliyas
|
|
# Date: 2022.5.19
|
|
|
|
import re
|
|
from urllib import request
|
|
|
|
|
|
# 1.获取数据
|
|
def get_html(url):
|
|
# https 模拟浏览器头
|
|
headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.75 Safari/537.36'}
|
|
req = request.Request(url,headers=headers)
|
|
response=request.urlopen(req)
|
|
# 根据实际地址修改字符集
|
|
content=response.read().decode('utf-8')
|
|
return content
|
|
|
|
|
|
# 2.处理数据（设置匹配条件）
|
|
def get_url(content):
|
|
# 根据地址不同，判断设置不同的匹配条件
|
|
pattern = re.compile('<td.*?><span.*?>.*?<a href=\'(.*?)\'.*?>(.*?)</a>.*?</td>.*?<td.*?><span.*?>(.*?)</span></td>',re.S)
|
|
items = re.findall(pattern,content)
|
|
return items
|
|
|
|
|
|
# 3.显示数据
|
|
def show_result(items):
|
|
# 根据地址不同，判断设置不同的匹配条件
|
|
# 计数器
|
|
global tsum
|
|
tsum = 0
|
|
for item in items:
|
|
url = item[0]
|
|
cname = item[1]
|
|
cdate = item[2]
|
|
url2 = 'http://www.caict.ac.cn/kxyj/qwfb/qwsj' + str(url).replace('./', '/')
|
|
strs1 = cdate+'|'+cname +'|'+ url2
|
|
# 替换多余字符
|
|
strs1 = strs1.replace('- ','')
|
|
# 替换换行符（合并为1行）
|
|
strs1=strs1.replace('\n','')
|
|
# 计数器加1
|
|
tsum = tsum+1
|
|
print(strs1)
|
|
# 下载文件
|
|
get_file(url2)
|
|
|
|
|
|
# 4.下载数据（写入文件）
|
|
def get_file(url):
|
|
file_name = url.split('/')[-1]
|
|
# 设置下载路径（根据实际情况修改）
|
|
file_names='E:/download/'+file_name
|
|
req = request.Request(url)
|
|
u = request.urlopen(req)
|
|
f = open(file_names, 'wb')
|
|
block_sz = 8192
|
|
while True:
|
|
buffer = u.read(block_sz)
|
|
if not buffer:
|
|
break
|
|
f.write(buffer)
|
|
f.close()
|
|
print ("Sucessful to download" + " " + file_names)
|
|
|
|
|
|
|
|
# 下载最新数据
|
|
url = 'http://www.caict.ac.cn/kxyj/qwfb/qwsj/index.htm'
|
|
html = get_html(url)
|
|
items = get_url(html)
|
|
show_result(items)
|
|
|
|
|
|
# 下载历史数据
|
|
tsum = 0 #计数器
|
|
tsums = 0 #累加计数器
|
|
for i in range(1,28):
|
|
url = 'http://www.caict.ac.cn/kxyj/qwfb/qwsj/index_'+str(i)+'.htm'
|
|
# 获取信息
|
|
html = get_html(url)
|
|
# 获取下载地址
|
|
items = get_url(html)
|
|
# 下载显示数据
|
|
show_result(items)
|
|
# 计数器累加
|
|
tsums = tsum + tsums
|
|
psums = str(tsum)+'/'+str(tsums)
|
|
print(psums)
|
|
|
|
|
|
tsums = '总计： '+str(tsums)+' 个文件'
|
|
print(tsums)
|
|
|
|
|
|
|