Update README.md

README.md

@@ -1,2 +1,57 @@
 # user2
 
+
+
+#学习一
+import requests
+url = "http://58921.com/alltime?page=0"
+
+headers = {
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36"
+}
+
+r=requests.get(url=url,headers=headers)
+
+r.encoding = 'utf-8'
+html=r.text
+
+print(html)
+
+from lxml import etree
+
+doc = etree.HTML(html)
+trs = doc.xpath("/html/body/div[2]/div/div/div[3]/table/tbody/tr")
+print(trs)
+for tr in trs:
+            rank = tr.xpath('./td[2]/text()')[0]
+            title = tr.xpath('./td[3]/a/text()')[0]  
+            time = tr.xpath('./td[7]/text()')[0]
+            print(rank+'|'+title+'|'+time)
+
+#练习
+import requests
+url = "https://www.job001.cn/jobs?pageNo=1"
+
+headers = {
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36"
+}
+
+r=requests.get(url=url,headers=headers)
+
+r.encoding = 'utf-8'
+html=r.text
+
+print(html)
+
+from lxml import etree
+
+doc = etree.HTML(html)
+trs = doc.xpath("/html/body/div[17]/div[1]/div[1]/div")
+print(trs)
+for tr in trs:
+            a = tr.xpath('./td[2]/text()')[0]
+            b = tr.xpath('./td[3]/a/text()')[0]  
+            c = tr.xpath('./td[7]/text()')[0]
+            print(a)
+            print(b)
+            print(c)