摘要：先貼連接，讓各位觀眾老爺看看，對不對你們的胃口工控行業系統漏洞可以看到，這個網頁是靜態的，所以問題變的非常的簡單只需要用請求網頁就可以了話不多說，直接貼代碼標題公開日期公開日期危害級別危害級別影響產品影響產品漏洞描述漏洞

先貼連接，讓各位觀眾老爺看看，對不對你們的胃口

工控行業系統漏洞

可以看到，這個網頁是html靜態的，所以問題變的非常的簡單

只需要用request請求網頁就可以了

話不多說，直接貼代碼

import requests
from urllib.parse import urlencode
from lxml import etree
import pymysql
import time
import xlwt
import xlrd


def makeurl():
    # http://ics.cnvd.org.cn/?tdsourcetag=s_pctim_aiomsg&max=20&offset=0
    baseurl = "http://ics.cnvd.org.cn/?"
    params = {
        "tdsourcetag": "s_pctim_aiomsg",
        "max": "20"
    }
    for page in range(MAX_PAGE):
        params["offset"] = page * 20
        url = baseurl + urlencode(params)
        print("url is ", url)
        yield url


def get_page_urllist(url):
    headers = {
        "Host": "ics.cnvd.org.cn",
        "Referer": "http://ics.cnvd.org.cn/?tdsourcetag=s_pctim_aiomsg&max=20&offset=40",
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36"
    }
    response = requests.get(url, headers=headers)
    return response.text


def parse_urllist(content):
    html = etree.HTML(content)
    for li in html.xpath("http://tbody[@id="tr"]/tr"):
        yield li.xpath("td/a/@href")[0]


def get_page(url):
    headers = {
        "Host": "www.cnvd.org.cn",
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36"
    }
    response = requests.get(url, headers=headers)
    return response.text


def parse_page(content, url):
    html = etree.HTML(content)
    item = {}
    item["url"] = url
    item["標題"] = str(html.xpath("http://div[@class="blkContainerSblk"]/h1/text()")[0])

    item["CNVD_ID"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="CNVD-ID"]/following-sibling::*[1]//text()")])
    item["公開日期"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="公開日期"]/following-sibling::*[1]//text()")])
    item["危害級別"] = "".join([i.strip().replace(" ", "").replace("
", "").replace("
", "").replace("	", "") for i in
                            html.xpath("http://tbody/tr/td[text()="危害級別"]/following-sibling::*[1]//text()")])
    item["影響產品"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="影響產品"]/following-sibling::*[1]//text()")])
    try:
        item["BUGTRAQ_ID"] = "".join(
            [i.strip() for i in html.xpath("http://tbody/tr/td[text()="BUGTRAQ ID"]/following-sibling::*[1]//text()")])
    except:
        item["BUGTRAQ_ID"] = ""
    item["CVE_ID"] = "".join(
        [i.strip() for i in
         html.xpath("http://tbody/tr/td[text()="CVE ID"]/following-sibling::*[1]//text()")]) + " " + "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="CVE ID"]/following-sibling::*[1]//@href")])

    item["漏洞描述"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="漏洞描述"]/following-sibling::*[1]//text()")])
    item["漏洞類型"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="漏洞類型"]/following-sibling::*[1]//text()")])
    item["參考鏈接"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="參考鏈接"]/following-sibling::*[1]//text()")])
    item["漏洞解決方案"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="漏洞解決方案"]/following-sibling::*[1]//text()")])
    item["廠商補丁"] = "".join(
        [i.strip() for i in html.xpath(
            "http://tbody/tr/td[text()="廠商補丁"]/following-sibling::*[1]//text()")]) + " http://www.cnvd.org.cn" + "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="廠商補丁"]/following-sibling::*[1]//@href")])
    item["驗證信息"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="驗證信息"]/following-sibling::*[1]//text()")])
    item["報送時間"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="報送時間"]/following-sibling::*[1]//text()")])
    item["收錄時間"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="收錄時間"]/following-sibling::*[1]//text()")])
    item["更新時間"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="更新時間"]/following-sibling::*[1]//text()")])
    item["漏洞附件"] = "".join(
        [i.strip() for i in html.xpath("http://tbody/tr/td[text()="漏洞附件"]/following-sibling::*[1]//text()")])

    return item


def save_data(index, item, workbook):
    sheet = workbook.get_sheet("sheet1")  # 創建一個sheet表格
    for col, value in enumerate(item.values()):
        sheet.write(index, col, value)
    workbook.save(filename)
    print("保存成功")


def excel_prepare(heads):
    workbook = xlwt.Workbook()
    sheet = workbook.add_sheet("sheet1", cell_overwrite_ok=True)  # 創建一個sheet表格
    for col, value in enumerate(heads):
        sheet.write(0, col, value)
    return workbook


def urlisexist(url, urlset):
    if url in urlset:
        return True
    else:
        return False


def getallurl(filename):
    workbook = xlrd.open_workbook(filename)
    sheet1 = workbook.sheet_by_name("sheet1")
    results = sheet1.col_values(0, 1)
    return results


def read_old(filename):
    workbook = xlrd.open_workbook(filename)
    sheet1 = workbook.sheet_by_name("sheet1")
    alloldset = []
    for index in range(sheet1.nrows):
        alloldset.append(sheet1.row_values(index))
    return alloldset, sheet1.nrows


def save_old(index, olditem):
    sheet = workbook.get_sheet("sheet1")  # 創建一個sheet表格
    for col, value in enumerate(olditem):
        sheet.write(index, col, value)
    workbook.save(filename)


if __name__ == "__main__":
    # http://ics.cnvd.org.cn/?tdsourcetag=s_pctim_aiomsg&max=20&offset=0

    # 睡眠時間
    TIMESLEEP = 0

    filename = "工程控制系統漏洞.xls"

    MAX_PAGE = 96



    heads = ["url",
             "標題",
             "CNVD_ID",
             "公開日期",
             "危害級別",
             "影響產品",
             "BUGTRAQ_ID",
             "CVE_ID",
             "漏洞描述",
             "漏洞類型",
             "參考鏈接",
             "漏洞解決方案",
             "廠商補丁",
             "驗證信息",
             "報送時間",
             "收錄時間",
             "更新時間",
             "漏洞附件"]

    try:
        alloldset, length = read_old(filename)
    except:
        alloldset = []
        length = 1

    workbook = excel_prepare(heads)

    for index, olditem in enumerate(alloldset):
        save_old(index, olditem)

    try:
        urlset = getallurl(filename)
    except:
        urlset = []

    index = length
    for urlofpage in makeurl():
        pagelistcontent = get_page_urllist(urlofpage)
        for url in parse_urllist(pagelistcontent):
            print("url is >>>", url)
            if not urlisexist(url, urlset):
                time.sleep(TIMESLEEP)
                result = get_page(url)
                item = parse_page(result, url)
                print("item is >>>", item)
                save_data(index, item, workbook)
                index = index + 1

    workbook.save(filename)

不懂的地方，下方評論提問