def check_url_status(url): try: response = requests.get(url) if response.status_code == 200: print(f"The request to {url} was successful with status code 200.") # 可以进一步处理返回的内容 return response.content else: print(f"Request to {url} returned a status code {response.status_...
在迁移过程中,以下是一个常见的代码转换示例: # 旧版本代码response=requests.get(url)ifresponse.status_code==200:print(response.content)# 新版本代码try:response=requests.get(url)response.raise_for_status()# 抛出异常print(response.content)exceptrequests.HTTPErrorase:print(f"HTTP error occurred:{e}")...
json=data) if response.status_code == 200: try: json_data = response.json() print("JSON Data:", json_data) except ValueError as e: print(f"Error parsing JSON: {e}") print(f"Response content: {response.text}") else: print(f"Request failed with status code: {response.status_cod...
print(response.status_code) # 打印状态码,200代表正常 with open('baidu.png', 'wb') as f: # 图片是二进制(也叫字节)数据 f.write(response.content) 1. 2. 3. 4. 5. 6. 7. 1.3 检索 关于参数的注意点 在url地址中,很多参数是没有用的,比如百度搜索的url地址,其中参数只有一个字段有用,其他...
.com/api" headers = {"User-Agent": "Mozilla/5.0"} params = {"key": "value"} response = requests.get(url, headers=headers, params=params) if response.status_code == 200: print("请求成功") print("响应内容:", response.text) else: print("请求失败,状态码:", response.status_c...
print(f"发生错误: {response.status_code}") 12. 13. 异常处理 使用try-except块捕获网络异常,例如超时或连接失败: 14. 15. python复制代码 16. 17. try: response = requests.get('https://example.com', timeout=5) response.raise_for_status() # 非200状态码抛出异常 ...
响应状态码,即 Response Status Code,表示服务器的响应状态,如 200 代表服务器正常响应,404 代表页面未找到,500 代表服务器内部发生错误。在爬虫中,我们可以根据状态码来判断服务器响应状态,如状态码为 200,则证明成功返回数据,再进行进一步的处理,否则直接忽略。下表列出了常见的错误代码及错误原因。 2. 常见的 ...
""" try: conn = httplib.HTTPConnection(host) conn.request("HEAD", path) return conn.getresponse().status except StandardError: return None print get_status_code("segmentfault.com") # prints 200 print get_status_code("segmentfault.com", "/nonexistant") # prints 404...
当我们使用requests库发送请求后,可以通过response.status_code来获取HTTP响应的状态码。例如: python复制代码 import requests response = requests.get('https://www.example.com') status_code = response.status_code print(f"HTTP Response Status Code: {status_code}") ...
200表示成功，400的就是错误。在发起请求的时候会返回响应，通过响应打印这个 status_code 码你就能知道有没有请求成功了。img = requests.get(href,headers = headers)if img.status_code == 200:img_file = open( str(i)+'.jpg', 'wb')img_file.write(img.content)上面代码我去爬了图片，...