{"id":975101,"date":"2024-12-27T06:10:34","date_gmt":"2024-12-26T22:10:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/975101.html"},"modified":"2024-12-27T06:10:37","modified_gmt":"2024-12-26T22:10:37","slug":"python%e5%a6%82%e4%bd%95%e7%88%ac%e7%bd%91%e7%ab%99%e7%9b%ae%e5%bd%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/975101.html","title":{"rendered":"python\u5982\u4f55\u722c\u7f51\u7ad9\u76ee\u5f55"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24200506\/1d8ff890-f82b-424a-b352-b5bd38e5f003.webp\" alt=\"python\u5982\u4f55\u722c\u7f51\u7ad9\u76ee\u5f55\" \/><\/p>\n<p><h3>\u4e00\u3001\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u6838\u5fc3\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u8981\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\uff0c\u53ef\u4ee5\u901a\u8fc7<strong>HTTP\u8bf7\u6c42\u3001\u89e3\u6790HTML\u5185\u5bb9\u3001\u81ea\u52a8\u5316\u5de5\u5177<\/strong>\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002\u901a\u5e38\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Python\u7684\u5e93\uff0c\u5982requests\u3001BeautifulSoup\u3001Scrapy\u7b49\u3002\u9996\u5148\uff0c\u4f7f\u7528requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u83b7\u53d6\u9875\u9762\u5185\u5bb9\u3002\u7136\u540e\uff0c\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u5185\u5bb9\uff0c\u63d0\u53d6\u76ee\u5f55\u94fe\u63a5\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u5982Scrapy\u8fdb\u884c\u6279\u91cf\u722c\u53d6\u3002<strong>\u89e3\u6790HTML\u5185\u5bb9<\/strong>\u662f\u5176\u4e2d\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u56e0\u4e3a\u8fd9\u4e00\u6b65\u51b3\u5b9a\u4e86\u80fd\u5426\u6b63\u786e\u63d0\u53d6\u6240\u9700\u4fe1\u606f\u3002\u89e3\u6790HTML\u65f6\uff0c\u8981\u5206\u6790\u9875\u9762\u7ed3\u6784\uff0c\u627e\u5230\u76ee\u5f55\u5217\u8868\u6240\u5728\u7684\u6807\u7b7e\uff0c\u5e76\u7f16\u5199\u76f8\u5e94\u7684\u89e3\u6790\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5982\u4f55\u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42<\/h3>\n<\/p>\n<p><p>Requests\u5e93\u662fPython\u4e2d\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42\u7684\u5f3a\u5927\u5de5\u5177\u3002\u901a\u8fc7\u5b83\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u4e3a\u540e\u7eed\u7684HTML\u89e3\u6790\u505a\u597d\u51c6\u5907\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5\u4e0e\u4f7f\u7528<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5Requests\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install requests<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u53d1\u9001HTTP\u8bf7\u6c42\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>if response.status_code == 200:<\/p>\n<p>    print(&quot;Request was successful&quot;)<\/p>\n<p>    html_content = response.text<\/p>\n<p>else:<\/p>\n<p>    print(&quot;F<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>led to retrieve the webpage&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5904\u7406\u8bf7\u6c42\u5934\u4e0eCookies<\/h4>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u81ea\u5b9a\u4e49\u8bf7\u6c42\u5934\u6216\u643a\u5e26Cookies\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u8bbf\u95ee\u6743\u9650\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">headers = {<\/p>\n<p>    &#39;User-Agent&#39;: &#39;Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/70.0.3538.77 Safari\/537.36&#39;<\/p>\n<p>}<\/p>\n<p>cookies = {<\/p>\n<p>    &#39;session_id&#39;: &#39;your_session_id&#39;<\/p>\n<p>}<\/p>\n<p>response = requests.get(url, headers=headers, cookies=cookies)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u89e3\u6790HTML\u5185\u5bb9<\/h3>\n<\/p>\n<p><p>\u89e3\u6790HTML\u5185\u5bb9\u662f\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u5173\u952e\u6b65\u9aa4\u4e4b\u4e00\u3002\u901a\u8fc7BeautifulSoup\u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u4eceHTML\u4e2d\u63d0\u53d6\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5\u4e0e\u4f7f\u7528BeautifulSoup<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u786e\u4fdd\u5b89\u88c5\u4e86BeautifulSoup\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install beautifulsoup4<\/p>\n<p>pip install lxml<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\uff0c\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u5185\u5bb9\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from bs4 import BeautifulSoup<\/p>\n<p>soup = BeautifulSoup(html_content, &#39;lxml&#39;)<\/p>\n<h2><strong>\u627e\u5230\u6240\u6709\u76ee\u5f55\u94fe\u63a5<\/strong><\/h2>\n<p>links = soup.find_all(&#39;a&#39;, href=True)<\/p>\n<p>for link in links:<\/p>\n<p>    print(link[&#39;href&#39;])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5206\u6790\u9875\u9762\u7ed3\u6784<\/h4>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u76ee\u5f55\u53ef\u80fd\u4f4d\u4e8e\u7279\u5b9a\u7684HTML\u6807\u7b7e\u4e2d\u3002\u6211\u4eec\u9700\u8981\u5206\u6790\u9875\u9762\u7ed3\u6784\uff0c\u627e\u5230\u8fd9\u4e9b\u6807\u7b7e\u3002\u4f8b\u5982\uff0c\u76ee\u5f55\u53ef\u80fd\u5728\u4e00\u4e2a\u7279\u5b9a\u7684<\/p>\n<div>\u6216<\/p>\n<ul>\u6807\u7b7e\u4e0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5047\u8bbe\u76ee\u5f55\u5728\u4e00\u4e2a&lt;ul&gt;\u6807\u7b7e\u4e0b<\/p>\n<p>menu = soup.find(&#39;ul&#39;, {&#39;class&#39;: &#39;menu&#39;})<\/p>\n<p>for item in menu.find_all(&#39;li&#39;):<\/p>\n<p>    link = item.find(&#39;a&#39;, href=True)<\/p>\n<p>    print(link[&#39;href&#39;])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528Scrapy\u8fdb\u884c\u6279\u91cf\u722c\u53d6<\/h3>\n<\/p>\n<p><p>Scrapy\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u722c\u866b\u6846\u67b6\uff0c\u9002\u5408\u8fdb\u884c\u5927\u89c4\u6a21\u7684\u6570\u636e\u6293\u53d6\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5\u4e0e\u521b\u5efa\u9879\u76ee<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u5b89\u88c5Scrapy\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install scrapy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Scrapy\u9879\u76ee\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">scrapy startproject myproject<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u7f16\u5199\u722c\u866b<\/h4>\n<\/p>\n<p><p>\u5728Scrapy\u9879\u76ee\u4e2d\uff0c\u7f16\u5199\u722c\u866b\u4ee5\u6293\u53d6\u76ee\u5f55\u4fe1\u606f\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import scrapy<\/p>\n<p>class DirectorySpider(scrapy.Spider):<\/p>\n<p>    name = &#39;directory&#39;<\/p>\n<p>    start_urls = [&#39;http:\/\/example.com&#39;]<\/p>\n<p>    def parse(self, response):<\/p>\n<p>        for href in response.css(&#39;ul.menu li a::attr(href)&#39;).getall():<\/p>\n<p>            yield {<\/p>\n<p>                &#39;url&#39;: response.urljoin(href)<\/p>\n<p>            }<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u8fd0\u884c\u722c\u866b<\/h4>\n<\/p>\n<p><p>\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\uff0c\u8fd0\u884c\u722c\u866b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">scrapy crawl directory<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u53cd\u722c\u866b\u673a\u5236<\/h3>\n<\/p>\n<p><p>\u5728\u6293\u53d6\u7f51\u7ad9\u76ee\u5f55\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u53cd\u722c\u866b\u673a\u5236\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u5bf9\u7b56\u7565\uff1a<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528\u4ee3\u7406<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee3\u7406IP\u9690\u85cf\u771f\u5b9eIP\uff0c\u964d\u4f4e\u88ab\u5c01\u7981\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">proxies = {<\/p>\n<p>    &#39;http&#39;: &#39;http:\/\/your_proxy:port&#39;,<\/p>\n<p>    &#39;https&#39;: &#39;http:\/\/your_proxy:port&#39;<\/p>\n<p>}<\/p>\n<p>response = requests.get(url, proxies=proxies)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u8bbe\u7f6e\u8bf7\u6c42\u95f4\u9694<\/h4>\n<\/p>\n<p><p>\u8bbe\u7f6e\u9002\u5f53\u7684\u8bf7\u6c42\u95f4\u9694\uff0c\u907f\u514d\u8fc7\u4e8e\u9891\u7e41\u7684\u8bf7\u6c42\u89e6\u53d1\u53cd\u722c\u866b\u673a\u5236\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import time<\/p>\n<p>time.sleep(2)  # \u6bcf\u6b21\u8bf7\u6c42\u540e\u7b49\u5f852\u79d2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u8bbe\u7f6e\u8bf7\u6c42\u5934\u3001\u4f7f\u7528\u65e0\u5934\u6d4f\u89c8\u5668\u7b49\u65b9\u5f0f\u6a21\u62df\u4eba\u7c7b\u7528\u6237\u7684\u6d4f\u89c8\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u5904\u7406<\/h3>\n<\/p>\n<p><p>\u5728\u722c\u53d6\u5230\u7f51\u7ad9\u76ee\u5f55\u540e\uff0c\u901a\u5e38\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5b58\u50a8\u548c\u5904\u7406\uff0c\u4ee5\u4fbf\u540e\u7eed\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b58\u50a8\u5230\u6587\u4ef6<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u5c06\u722c\u53d6\u5230\u7684\u6570\u636e\u5b58\u50a8\u5230CSV\u3001JSON\u6216\u6570\u636e\u5e93\u4e2d\u3002\u4ee5\u4e0b\u662f\u5c06\u6570\u636e\u5b58\u50a8\u5230CSV\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<p>data = [{&#39;url&#39;: &#39;http:\/\/example.com\/link1&#39;}, {&#39;url&#39;: &#39;http:\/\/example.com\/link2&#39;}]<\/p>\n<p>with open(&#39;output.csv&#39;, &#39;w&#39;, newline=&#39;&#39;) as csvfile:<\/p>\n<p>    fieldnames = [&#39;url&#39;]<\/p>\n<p>    writer = csv.DictWriter(csvfile, fieldnames=fieldnames)<\/p>\n<p>    writer.writeheader()<\/p>\n<p>    for row in data:<\/p>\n<p>        writer.writerow(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u6570\u636e\u6e05\u6d17\u4e0e\u5206\u6790<\/h4>\n<\/p>\n<p><p>\u5728\u5b58\u50a8\u6570\u636e\u540e\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u6d17\u548c\u5206\u6790\u3002\u53ef\u4ee5\u4f7f\u7528Pandas\u5e93\u8fdb\u884c\u6570\u636e\u5904\u7406\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u8bfb\u53d6CSV\u6587\u4ef6<\/strong><\/h2>\n<p>df = pd.read_csv(&#39;output.csv&#39;)<\/p>\n<h2><strong>\u6570\u636e\u6e05\u6d17\u4e0e\u5206\u6790<\/strong><\/h2>\n<h2><strong>\u793a\u4f8b\uff1a\u53bb\u9664\u91cd\u590d\u7684URL<\/strong><\/h2>\n<p>df = df.drop_duplicates()<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u6cd5\u5f8b\u4e0e\u9053\u5fb7\u8003\u8651<\/h3>\n<\/p>\n<p><p>\u5728\u8fdb\u884c\u7f51\u9875\u722c\u53d6\u65f6\uff0c\u5fc5\u987b\u9075\u5b88\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u89c4\u8303\u3002\u786e\u4fdd\u4e0d\u4fb5\u72af\u4ed6\u4eba\u7684\u7248\u6743\u548c\u9690\u79c1\u3002<\/p>\n<\/p>\n<p><h4>1. \u9075\u5faarobots.txt\u534f\u8bae<\/h4>\n<\/p>\n<p><p>\u5728\u6293\u53d6\u7f51\u7ad9\u524d\uff0c\u68c0\u67e5\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\uff0c\u786e\u4fdd\u9075\u5faa\u5176\u89c4\u5b9a\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>robots_url = &#39;http:\/\/example.com\/robots.txt&#39;<\/p>\n<p>robots_txt = requests.get(robots_url).text<\/p>\n<p>print(robots_txt)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5c0a\u91cd\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e<\/h4>\n<\/p>\n<p><p>\u5728\u6293\u53d6\u6570\u636e\u524d\uff0c\u9605\u8bfb\u5e76\u5c0a\u91cd\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\uff0c\u4e0d\u8fdb\u884c\u672a\u7ecf\u6388\u6743\u7684\u6293\u53d6\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001\u5b9e\u8df5\u6848\u4f8b<\/h3>\n<\/p>\n<p><p>\u7ed3\u5408\u4e0a\u8ff0\u6280\u672f\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u5b9e\u8df5\u6848\u4f8b\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b9e\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>from bs4 import BeautifulSoup<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>headers = {<\/p>\n<p>    &#39;User-Agent&#39;: &#39;Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/70.0.3538.77 Safari\/537.36&#39;<\/p>\n<p>}<\/p>\n<p>response = requests.get(url, headers=headers)<\/p>\n<p>if response.status_code == 200:<\/p>\n<p>    soup = BeautifulSoup(response.text, &#39;lxml&#39;)<\/p>\n<p>    menu = soup.find(&#39;ul&#39;, {&#39;class&#39;: &#39;menu&#39;})<\/p>\n<p>    for item in menu.find_all(&#39;li&#39;):<\/p>\n<p>        link = item.find(&#39;a&#39;, href=True)<\/p>\n<p>        print(link[&#39;href&#39;])<\/p>\n<p>else:<\/p>\n<p>    print(&quot;Failed to retrieve the webpage&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u8fd0\u884c\u4e0e\u7ed3\u679c<\/h4>\n<\/p>\n<p><p>\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\uff0c\u5c06\u8f93\u51fa\u7f51\u7ad9\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u94fe\u63a5\u3002\u786e\u4fdd\u5728\u8fd0\u884c\u524d\u4fee\u6539url\u53d8\u91cf\u4e3a\u76ee\u6807\u7f51\u7ad9\u3002<\/p>\n<\/p>\n<p><h3>\u4e5d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u9700\u8981\u7ed3\u5408\u4f7f\u7528\u591a\u79cd\u6280\u672f\uff0c\u5305\u62ecHTTP\u8bf7\u6c42\u3001HTML\u89e3\u6790\u3001\u81ea\u52a8\u5316\u722c\u866b\u5de5\u5177\u7b49\u3002<strong>\u89e3\u6790HTML\u5185\u5bb9<\/strong>\u662f\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u6df1\u5165\u7406\u89e3\u9875\u9762\u7ed3\u6784\u3002\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u89c4\u8303\u81f3\u5173\u91cd\u8981\uff0c\u786e\u4fdd\u5728\u6293\u53d6\u6570\u636e\u65f6\u4e0d\u4fb5\u72af\u4ed6\u4eba\u6743\u76ca\u3002\u901a\u8fc7\u4e0d\u65ad\u5b9e\u8df5\uff0c\u53ef\u4ee5\u63d0\u5347\u722c\u866b\u6280\u672f\uff0c\u83b7\u53d6\u66f4\u591a\u6709\u4ef7\u503c\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u9996\u5148\u9009\u62e9\u5408\u9002\u7684\u722c\u866b\u5e93\uff0c\u5982Requests\u548cBeautifulSoup\u6216Scrapy\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u4ee5\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u968f\u540e\u5229\u7528BeautifulSoup\u89e3\u6790HTML\u7ed3\u6784\uff0c\u63d0\u53d6\u51fa\u76ee\u5f55\u94fe\u63a5\u548c\u6240\u9700\u4fe1\u606f\u3002\u6700\u540e\uff0c\u786e\u4fdd\u9075\u5faarobots.txt\u6587\u4ef6\u7684\u89c4\u5b9a\uff0c\u5c0a\u91cd\u7f51\u7ad9\u7684\u722c\u866b\u653f\u7b56\u3002<\/p>\n<p><strong>\u5728\u4f7f\u7528Python\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u65f6\uff0c\u5982\u4f55\u5904\u7406\u53cd\u722c\u866b\u673a\u5236\uff1f<\/strong><br \/>\u8bb8\u591a\u7f51\u7ad9\u4f1a\u5b9e\u65bd\u53cd\u722c\u866b\u63aa\u65bd\uff0c\u9632\u6b62\u8fc7\u91cf\u7684\u8bf7\u6c42\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u63aa\u65bd\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u8bf7\u6c42\u5934\u4f2a\u88c5\u6210\u6d4f\u89c8\u5668\u3001\u4f7f\u7528\u4ee3\u7406IP\u6765\u9690\u85cf\u771f\u5b9eIP\uff0c\u4ee5\u53ca\u6dfb\u52a0\u968f\u673a\u5ef6\u65f6\u6765\u964d\u4f4e\u8bf7\u6c42\u9891\u7387\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684\u5e93\uff0c\u5982Selenium\uff0c\u53ef\u4ee5\u6a21\u62df\u771f\u5b9e\u7528\u6237\u7684\u884c\u4e3a\uff0c\u5e2e\u52a9\u7ed5\u8fc7\u4e00\u4e9b\u7b80\u5355\u7684\u53cd\u722c\u866b\u673a\u5236\u3002<\/p>\n<p><strong>\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u4f55\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\uff1f<\/strong><br \/>\u786e\u4fdd\u6570\u636e\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u5728\u89e3\u6790\u6570\u636e\u524d\uff0c\u5148\u68c0\u67e5\u7f51\u9875\u7684\u52a0\u8f7d\u72b6\u6001\u548c\u5185\u5bb9\u662f\u5426\u5b8c\u6574\uff1b\u5bf9\u4e8e\u63d0\u53d6\u7684\u6570\u636e\uff0c\u8fdb\u884c\u683c\u5f0f\u5316\u548c\u6e05\u6d17\uff0c\u53bb\u9664\u5197\u4f59\u4fe1\u606f\uff1b\u6b64\u5916\uff0c\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff0c\u907f\u514d\u56e0\u7f51\u7edc\u6ce2\u52a8\u6216\u5176\u4ed6\u95ee\u9898\u5bfc\u81f4\u7684\u6570\u636e\u4e22\u5931\u3002\u6700\u540e\uff0c\u5b9a\u671f\u9a8c\u8bc1\u548c\u66f4\u65b0\u722c\u53d6\u7684\u6570\u636e\uff0c\u4ee5\u4fdd\u6301\u5176\u65f6\u6548\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\u7684\u6838\u5fc3\u65b9\u6cd5 \u8981\u722c\u53d6\u7f51\u7ad9\u76ee\u5f55\uff0c\u53ef\u4ee5\u901a\u8fc7HTTP\u8bf7\u6c42\u3001\u89e3\u6790HTML\u5185\u5bb9\u3001\u81ea\u52a8\u5316\u5de5\u5177\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002\u901a\u5e38 [&hellip;]","protected":false},"author":3,"featured_media":975112,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/975101"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=975101"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/975101\/revisions"}],"predecessor-version":[{"id":975118,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/975101\/revisions\/975118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/975112"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=975101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=975101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=975101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}