問(wèn)題描述

這段代碼一直出現(xiàn)異常，但只要把導(dǎo)入的庫(kù)稍加更改在python2.x中運(yùn)行是沒(méi)有問(wèn)題的，請(qǐng)問(wèn)大神問(wèn)題出在哪？出現(xiàn)的異常也總變，小弟初學(xué)爬蟲，請(qǐng)賜教！

import urllib.errorimport urllib.requestimport urllib.parseurl = ’http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule&smartresult=ugc&sessionFrom=https://www.baidu.com/link HTTP/1.1’data = {}data[’type’]= ’AUTO’data[’i’] = ’I am fine !’data[’doctype’] = ’json’data[’xmlVersion’] = ’1.8’data[’keyfrom’] = ’fanyi.web’data[’ue’] = ’UTF-8’data[’action’] = ’FY_BY_CLICKBUTTON’data[’typoResult’] = ’true’head = {}head[’User-Agent’]= ’Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0’ try: data = urllib.parse.urlencode(data).encode(’utf-8’) req = urllib.request.Request(url,data,head) response = urllib.request.urlopen(req) html = response.read().decode(’utf-8’) print(html)except urllib.error.HTTPError as e: print (’Error code : ’,e.code)except urllib.error.URLError as e: print (’The reason: ’,e.reason)

昨天是這樣的：

今天運(yùn)行就這樣了:

問(wèn)題解答

刪掉url后面 HTTP/1.1,url后面加它干嘛。。

Python3不用解碼和編碼啦，還有些模塊的用法不一樣了，自己看一下Python3的文檔吧