Yiru@Studio

1.抓取狀態碼

import requests
from bs4 import BeautifulSoup

resp = requests.get('https://www.cakenobel.com.tw/')
print(resp.status_code)#查詢狀態碼   200成功   404 失敗(找不到)

2.顯示失敗訊息

import requests
from bs4 import BeautifulSoup


def main():
    url1 = 'https://www.cakenobel.com.tw/'
    bad_url = 'https://www.aacakenobel.com.tw/111'  #不存在url
    
    text1 = get_tag_text(url1, 'h1')
    print(text1)  #可正常找到<h1></h1>
    text2 = get_tag_text(url1, 'h2')
    print(text2) #找不到h2  ,回傳None
    text3 = get_tag_text(bad_url, 'h1')
    print(text3) #找不到url ,所以回傳錯誤原因


def get_tag_text(url, tag):
    try:
        resp = requests.get(url)
        if resp.status_code == 200:
            soup = BeautifulSoup(resp.text, 'html.parser')
            return soup.find(tag).text  #有找到，回傳找到文字
    except Exception as e:
        print('Exception: %s' %(e))  #錯誤原因
    return None #找不到元素


if __name__ == '__main__':
    main()

 

 

參考程式碼

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