<span style="color: #0000ff">import<span style="color: #000000"> pymysql conn =pymysql.connect(host=<span style="color: #800000">'<span style="color: #800000">127.0.0.1<span style="color: #800000">',user=<span style="color: #800000">'<span style="color: #800000">root<span style="color: #800000">',passw<a href="//m.sbmmt.com/wiki/1360.html" target="_blank">ord</a>=<span style="color: #800000">'<span style="color: #800000">123456<span style="color: #800000">',db=<span style="color: #800000">'<span style="color: #800000">company<span style="color: #800000">',char<a href="//m.sbmmt.com/code/8209.html" target="_blank">set</a>=<span style="color: #800000">"<span style="color: #800000">utf8<span style="color: #800000">"<span style="color: #000000">) cur=<span style="color: #000000">conn.cursor() sql=‘’‘<br><br>’‘’<span style="color: #000000">employee=<span style="color: #000000">cur.execute(sql) conn.commit() cur.close() conn.close()</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
基本操作大概就這樣
這次爬取的是淘寶商品頁面
過程就略了放程式碼
import requestsimport reimport pymysqldef getHTMLtext(url): try: r=requests.get(url,timeout=100) r.raise_for_status() r.encoding=r.apparent_encoding return r.text except: return ""def getpage(itl,html): try: plt=re.findall(r'"view_price":"[\d.]*"',html) nlt=re.findall(r'"raw_title":".*?"',html) for i in range(len(plt)): price = eval(plt[i].split(':')[1]) title = eval(nlt[i].split(':')[1]) itl.append([price, title]) except: print("")def printgoods(itl): tplt = "{:2}\t{:8}\t{:16}" print(tplt.format("序号", "价格", "商品名称")) count = 0 conn = pymysql.connect(host='127.0.0.1', user='root', password='123456', db='company',charset="utf8") cur = conn.cursor() sqlc = ''' create table coffee( id int(11) not null auto_increment primary key, name varchar(255) not null, price float not null)DEFAULT CHARSET=utf8; ''' try: A = cur.execute(sqlc) conn.commit() print('成功') except: print("错误") for g in itl: count = count + 1 b=tplt.format(count, g[0], g[1]) sqla = ''' insert into coffee(name,price) values(%s,%s); ''' try: B = cur.execute(sqla,(g[1],g[0])) conn.commit() print('成功') except: print("错误") # save_path = 'D:/taobao.txt' # f=open(save_path,'a') # # f.write(b+'\n') # f.close() conn.commit() cur.close() conn.close()def main(): goods="咖啡" depth =2 start_url='https://s.taobao.com/search?q='+goods List =[] for i in range(depth): try: url =start_url +"&s="+ str(i*44) html=getHTMLtext(url) getpage(List,html) except: continue print(printgoods(List)) # savefiles(data)main()
可以看到所需的資料已經存入資料庫了
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