Add 附加题

附加题

@@ -0,0 +1,77 @@
+import openpyxl
+import requests
+from lxml import etree
+from tqdm import tqdm
+
+headers = {
+    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36'
+}
+
+
+# 组合日期链接
+def cnew_url():
+    f = open(r'D:/工作文件/cnew_url.txt', 'w', encoding='utf8')
+    for i in range(1, 6):
+        if i < 10:
+            url = 'https://www.chinanews.com.cn/scroll-news/2023/020' + str(i) + '/news.shtml'
+        else:
+            url = 'https://www.chinanews.com.cn/scroll-news/2023/02' + str(i) + '/news.shtml'
+        f.write(url + '\n')
+    f.close()
+
+
+def cnew_data():
+    f = open(r'D:/工作文件/cnew_url.txt', encoding='utf8')  # 读取上面已经组合好的链接
+    l = openpyxl.load_workbook(r'D:\工作文件\cnew_data.xlsx')
+    sheet = l.active
+    m = open(r'D:/工作文件/cnew_url1.txt', 'a', encoding='utf8')  # 保存报错的链接
+    x = 1  # 从Excel的第几行开始写入
+    for i in f:
+        lj1 = []
+        # 发起请求,获取页面里面的新闻链接
+        req = requests.get(i.replace('\n', ''), headers=headers)
+        # 设置网页编码，不设置会乱码
+        req.encoding = 'utf8'
+        ht = etree.HTML(req.text)
+        # 获取分类的数据还有正文链接
+        fl = ht.xpath("//div[@class='dd_lm']/a/text()")
+        lj = ht.xpath("//div[@class='dd_bt']/a/@href")
+        # 链接有两种格式，分别组合成可以用的
+        for j in lj:
+            if j[:5] == '//www':
+                lj1.append('https:' + j)
+            else:
+                lj1.append('https://www.chinanews.com.cn/' + j)
+        n = 0
+        for k in tqdm(lj1):
+            try:
+                data = []
+                reqs = requests.get(k, headers=headers, timeout=10)
+                reqs.encoding = 'utf8'
+                ht1 = etree.HTML(reqs.text)
+                bt = ht1.xpath("//h1[@class='content_left_title']/text()")  # 标题
+                if bt:
+                    data.append([fl[n]])
+                    data.append(ht1.xpath("//h1[@class='content_left_title']/text()"))  # 标题
+                    data.append(ht1.xpath("//div[@class='left_zw']/p/text()"))  # 简介
+                    data.append([lj1[n]])
+                else:
+                    data.append([fl[n]])
+                    data.append(ht1.xpath("//div[@class='content_title']/div[@class='title']/text()"))
+                    data.append(ht1.xpath("//div[@class='content_desc']/p/text()"))  # 简介
+                    data.append([lj1[n]])
+                for y in range(len(data)):
+                    sheet.cell(x, y + 1).value = '\n'.join(data[y])
+                x += 1
+                n += 1
+            except Exception as arr:
+                m.write(lj1[n])
+                continue
+        l.save(r'D:\工作文件\cnew_data.xlsx')
+    f.close()
+    m.close()
+
+
+if __name__ == '__main__':
+    # cnew_url()
+    cnew_data()