1 import requests 2 from bs4 import BeautifulSoup 3 import traceback 4 import re 5  6  7 def getHTMLText(url): 8     try: 9         r = requests.get(url)10         r.raise_for_status()11         r.encoding = r.apparent_encoding12         return r.text13     except:14         return ""15 16 17 def getStockList(lst, stockURL):18     html = getHTMLText(stockURL)19     soup = BeautifulSoup(html, 'html.parser')20     a = soup.find_all('a')21     for i in a:22         try:23             href = i.attrs['href']24             lst.append(re.findall(r"[s][hz]\d{6}", href)[0])25         except:26             continue27 28 29 def getStockInfo(lst, stockURL, fpath):30     for stock in lst:31         url = stockURL + stock + ".html"32         html = getHTMLText(url)33         try:34             if html == "":35                 continue36             infoDict = {}37             soup = BeautifulSoup(html, 'html.parser')38             stockInfo = soup.find('div', attrs={
   'class': 'stock-bets'})39 40             name = stockInfo.find_all(attrs={
   'class': 'bets-name'})[0]41             infoDict.update({
   '股票名称': name.text.split()[0]})42 43             keyList = stockInfo.find_all('dt')44             valueList = stockInfo.find_all('dd')45             for i in range(len(keyList)):46                 key = keyList[i].text47                 val = valueList[i].text48                 infoDict[key] = val49 50             with open(fpath, 'a', encoding='utf-8') as f:51                 f.write(str(infoDict) + '\n')52         except:53             traceback.print_exc()54             continue55 56 57 def main():58     stock_list_url = 'http://quote.eastmoney.com/stocklist.html'59     stock_info_url = 'http://gupiao.baidu.com/stock/'60     output_file = 'D:/BaiduStockInfo.txt'61     slist = []62     getStockList(slist, stock_list_url)63     getStockInfo(slist, stock_info_url, output_file)64 65 66 main()

这是慕课上的源代码，直接粘贴的，不知道为什么运行一直报错。以下是错误。如果有人解决了，麻烦说一声，谢谢啦。

下面是慕课中修改的代码，也是源代码，直接粘贴的，但是是可以运行出来的。

1 import requests 2 from bs4 import BeautifulSoup 3 import traceback 4 import re 5   6 def getHTMLText(url, code="utf-8"): 7     try: 8         r = requests.get(url) 9         r.raise_for_status()10         r.encoding = code11         return r.text12     except:13         return ""14  15 def getStockList(lst, stockURL):16     html = getHTMLText(stockURL, "GB2312")17     soup = BeautifulSoup(html, 'html.parser') 18     a = soup.find_all('a')19     for i in a:20         try:21             href = i.attrs['href']22             lst.append(re.findall(r"[s][hz]\d{6}", href)[0])23         except:24             continue25  26 def getStockInfo(lst, stockURL, fpath):27     count = 028     for stock in lst:29         url = stockURL + stock + ".html"30         html = getHTMLText(url)31         try:32             if html=="":33                 continue34             infoDict = {}35             soup = BeautifulSoup(html, 'html.parser')36             stockInfo = soup.find('div',attrs={
   'class':'stock-bets'})37  38             name = stockInfo.find_all(attrs={
   'class':'bets-name'})[0]39             infoDict.update({
   '股票名称': name.text.split()[0]})40              41             keyList = stockInfo.find_all('dt')42             valueList = stockInfo.find_all('dd')43             for i in range(len(keyList)):44                 key = keyList[i].text45                 val = valueList[i].text46                 infoDict[key] = val47              48             with open(fpath, 'a', encoding='utf-8') as f:49                 f.write( str(infoDict) + '\n' )50                 count = count + 151                 print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")52         except:53             count = count + 154             print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")55             continue56  57 def main():58     stock_list_url = 'http://quote.eastmoney.com/stocklist.html'59     stock_info_url = 'http://gupiao.baidu.com/stock/'60     output_file = 'D:/BaiduStockInfo.txt'61     slist=[]62     getStockList(slist, stock_list_url)63     getStockInfo(slist, stock_info_url, output_file)64  65 main()

至于为什么，本人也不是特别清楚，代码主题部分是一样的，具体原因不清楚。我把编码方式删去了，和原先一样。但是程序依然可以运行。我不知道为什么，加了进度条，程序就可以运行了。

这是别人的代码分析 ，个人觉得还是很好的，很仔细：