{"id":1031993,"date":"2024-12-31T11:30:00","date_gmt":"2024-12-31T03:30:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1031993.html"},"modified":"2024-12-31T11:30:02","modified_gmt":"2024-12-31T03:30:02","slug":"python%e5%a6%82%e4%bd%95%e7%88%ac%e5%8f%96%e5%8a%a8%e6%80%81%e5%8a%a0%e8%bd%bd%e7%9a%84%e7%bd%91%e9%a1%b5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1031993.html","title":{"rendered":"python\u5982\u4f55\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/9e85b1d1-c130-4e32-b8db-2248ad199cee.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\" \/><\/p>\n<p><p> <strong>\u4f7f\u7528Python\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528Selenium\u3001\u4f7f\u7528Scrapy-Splash\u3001\u4f7f\u7528Pyppeteer\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c<strong>Selenium<\/strong> \u662f\u6700\u5e38\u7528\u7684\u5de5\u5177\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u6a21\u62df\u7528\u6237\u64cd\u4f5c\u6d4f\u89c8\u5668\uff0c\u975e\u5e38\u9002\u5408\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f7f\u7528Selenium\u7684\u8be6\u7ec6\u6b65\u9aa4\u5982\u4e0b\uff1a<\/strong><\/p>\n<\/p>\n<p><p>\u4e00\u3001\u5b89\u88c5\u548c\u914d\u7f6eSelenium<\/p>\n<\/p>\n<p><p>Selenium\u662f\u4e00\u4e2a\u7528\u4e8e\u81ea\u52a8\u5316Web\u6d4f\u89c8\u5668\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u6a21\u62df\u7528\u6237\u64cd\u4f5c\u6d4f\u89c8\u5668\u3002\u4e3a\u4e86\u4f7f\u7528Selenium\uff0c\u4f60\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u4e00\u4e2aWebDriver\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5Selenium\u5e93\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-bash\">pip install selenium<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\n<p>\u4e0b\u8f7d\u9002\u7528\u4e8e\u4f60\u6240\u4f7f\u7528\u7684\u6d4f\u89c8\u5668\u7684WebDriver\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4f7f\u7528Chrome\u6d4f\u89c8\u5668\uff0c\u53ef\u4ee5\u4ece<a href=\"https:\/\/sites.google.com\/a\/chromium.org\/chromedriver\/\">ChromeDriver<\/a>\u4e0b\u8f7d\u76f8\u5e94\u7684\u7248\u672c\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u5c06\u4e0b\u8f7d\u7684WebDriver\u89e3\u538b\u5230\u672c\u5730\uff0c\u5e76\u5c06\u5176\u8def\u5f84\u6dfb\u52a0\u5230\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\u4e2d\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u4f7f\u7528Selenium\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875<\/p>\n<\/p>\n<ol>\n<li>\u5bfc\u5165\u6240\u9700\u5e93\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">from selenium import webdriver<\/p>\n<p>from selenium.webdriver.common.by import By<\/p>\n<p>from selenium.webdriver.support.ui import WebDriverW<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t<\/p>\n<p>from selenium.webdriver.support import expected_conditions as EC<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u521d\u59cb\u5316WebDriver\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">driver = webdriver.Chrome()  # \u6216\u8005\u4f7f\u7528webdriver.Firefox()\u7b49<\/p>\n<p>driver.get(&quot;https:\/\/example.com&quot;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u722c\u53d6\u7684\u52a8\u6001\u7f51\u9875\u7684URL<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u5e76\u63d0\u53d6\u6570\u636e\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    # \u7b49\u5f85\u7279\u5b9a\u5143\u7d20\u52a0\u8f7d\u5b8c\u6210\uff0c\u6700\u591a\u7b49\u5f8510\u79d2<\/p>\n<p>    element = WebDriverWait(driver, 10).until(<\/p>\n<p>        EC.presence_of_element_located((By.ID, &quot;element_id&quot;))  # \u66ff\u6362\u4e3a\u4f60\u8981\u63d0\u53d6\u7684\u5143\u7d20\u7684ID<\/p>\n<p>    )<\/p>\n<p>    # \u63d0\u53d6\u6240\u9700\u6570\u636e<\/p>\n<p>    data = element.text<\/p>\n<p>    print(data)<\/p>\n<p>finally:<\/p>\n<p>    driver.quit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u5185\u5bb9<\/p>\n<\/p>\n<p><p>\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u7f51\u9875\u4e0a\u7684\u5185\u5bb9\u662f\u901a\u8fc7JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\uff0c\u4f8b\u5982\u901a\u8fc7\u6eda\u52a8\u9875\u9762\u52a0\u8f7d\u66f4\u591a\u5185\u5bb9\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528Selenium\u6a21\u62df\u8fd9\u4e9b\u7528\u6237\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u6a21\u62df\u6eda\u52a8\u9875\u9762\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import time<\/p>\n<p>SCROLL_PAUSE_TIME = 2<\/p>\n<h2><strong>\u83b7\u53d6\u9875\u9762\u9ad8\u5ea6<\/strong><\/h2>\n<p>last_height = driver.execute_script(&quot;return document.body.scrollHeight&quot;)<\/p>\n<p>while True:<\/p>\n<p>    # \u5411\u4e0b\u6eda\u52a8\u9875\u9762<\/p>\n<p>    driver.execute_script(&quot;window.scrollTo(0, document.body.scrollHeight);&quot;)<\/p>\n<p>    # \u7b49\u5f85\u9875\u9762\u52a0\u8f7d<\/p>\n<p>    time.sleep(SCROLL_PAUSE_TIME)<\/p>\n<p>    # \u8ba1\u7b97\u65b0\u7684\u9875\u9762\u9ad8\u5ea6\u5e76\u4e0e\u4e4b\u524d\u7684\u9875\u9762\u9ad8\u5ea6\u8fdb\u884c\u6bd4\u8f83<\/p>\n<p>    new_height = driver.execute_script(&quot;return document.body.scrollHeight&quot;)<\/p>\n<p>    if new_height == last_height:<\/p>\n<p>        break<\/p>\n<p>    last_height = new_height<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u63d0\u53d6\u52a0\u8f7d\u540e\u65b0\u51fa\u73b0\u7684\u5185\u5bb9\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">elements = driver.find_elements(By.CLASS_NAME, &quot;element_class_name&quot;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u63d0\u53d6\u7684\u5143\u7d20\u7684\u7c7b\u540d<\/p>\n<p>for element in elements:<\/p>\n<p>    print(element.text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u5904\u7406\u590d\u6742\u7684\u52a8\u6001\u52a0\u8f7d<\/p>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u66f4\u590d\u6742\u7684\u60c5\u51b5\u4e0b\uff0c\u9875\u9762\u53ef\u80fd\u5305\u542b\u9700\u8981\u7528\u6237\u4ea4\u4e92\u7684\u5143\u7d20\uff08\u5982\u6309\u94ae\u3001\u8f93\u5165\u6846\u7b49\uff09\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528Selenium\u6a21\u62df\u8fd9\u4e9b\u4ea4\u4e92\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u70b9\u51fb\u6309\u94ae\u52a0\u8f7d\u66f4\u591a\u5185\u5bb9\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">button = driver.find_element(By.ID, &quot;button_id&quot;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u70b9\u51fb\u7684\u6309\u94ae\u7684ID<\/p>\n<p>button.click()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u8f93\u5165\u641c\u7d22\u6761\u4ef6\u5e76\u63d0\u4ea4\u8868\u5355\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">search_box = driver.find_element(By.NAME, &quot;search_box_name&quot;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u8f93\u5165\u7684\u641c\u7d22\u6846\u7684\u540d\u79f0<\/p>\n<p>search_box.send_keys(&quot;search query&quot;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u8f93\u5165\u7684\u641c\u7d22\u6761\u4ef6<\/p>\n<p>search_box.submit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u4f7f\u7528Selenium\u5904\u7406JavaScript\u751f\u6210\u7684\u5185\u5bb9<\/p>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u7f51\u9875\u4e2d\uff0c\u6570\u636e\u662f\u901a\u8fc7Ajax\u8bf7\u6c42\u52a8\u6001\u52a0\u8f7d\u7684\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Selenium\u7b49\u5f85\u8fd9\u4e9b\u8bf7\u6c42\u5b8c\u6210\u540e\u63d0\u53d6\u6570\u636e\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u7b49\u5f85Ajax\u8bf7\u6c42\u5b8c\u6210\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import json<\/p>\n<p>driver.execute_script(&quot;return jQuery.active == 0&quot;)  # \u68c0\u67e5\u662f\u5426\u6709\u672a\u5b8c\u6210\u7684Ajax\u8bf7\u6c42<\/p>\n<p>time.sleep(2)  # \u7b49\u5f85Ajax\u8bf7\u6c42\u5b8c\u6210<\/p>\n<h2><strong>\u63d0\u53d6\u52a0\u8f7d\u540e\u7684\u6570\u636e<\/strong><\/h2>\n<p>data = driver.find_element(By.ID, &quot;data_id&quot;).text  # \u66ff\u6362\u4e3a\u4f60\u8981\u63d0\u53d6\u7684\u6570\u636e\u7684ID<\/p>\n<p>print(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u5904\u7406\u53cd\u722c\u866b\u673a\u5236<\/p>\n<\/p>\n<p><p>\u6709\u4e9b\u7f51\u7ad9\u4f1a\u6709\u53cd\u722c\u866b\u673a\u5236\uff0c\u68c0\u6d4b\u5e76\u963b\u6b62\u81ea\u52a8\u5316\u8bbf\u95ee\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u53cd\u722c\u866b\u63aa\u65bd\u53ca\u5176\u5e94\u5bf9\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u8bbe\u7f6eUser-Agent<\/strong>\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">from selenium.webdriver.chrome.options import Options<\/p>\n<p>options = Options()<\/p>\n<p>options.add_argument(&quot;user-agent=Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.3&quot;)<\/p>\n<p>driver = webdriver.Chrome(options=options)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528\u4ee3\u7406<\/strong>\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">from selenium.webdriver.common.proxy import Proxy, ProxyType<\/p>\n<p>proxy = Proxy()<\/p>\n<p>proxy.proxy_type = ProxyType.MANUAL<\/p>\n<p>proxy.http_proxy = &quot;http:\/\/your_proxy:port&quot;<\/p>\n<p>proxy.ssl_proxy = &quot;http:\/\/your_proxy:port&quot;<\/p>\n<p>capabilities = webdriver.DesiredCapabilities.CHROME<\/p>\n<p>proxy.add_to_capabilities(capabilities)<\/p>\n<p>driver = webdriver.Chrome(desired_capabilities=capabilities)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u968f\u673a\u5ef6\u8fdf\u8bf7\u6c42<\/strong>\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>time.sleep(random.uniform(1, 3))  # \u57281\u52303\u79d2\u4e4b\u95f4\u968f\u673a\u5ef6\u8fdf\u8bf7\u6c42<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e03\u3001\u4f7f\u7528Scrapy-Splash\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875<\/p>\n<\/p>\n<p><p>Scrapy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u722c\u866b\u6846\u67b6\uff0c\u800cSplash\u662f\u4e00\u4e2aJavaScript\u6e32\u67d3\u670d\u52a1\u3002\u7ed3\u5408\u4f7f\u7528Scrapy\u548cSplash\uff0c\u53ef\u4ee5\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u3002<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5Scrapy\u548cScrapy-Splash\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-bash\">pip install scrapy scrapy-splash<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u914d\u7f6eScrapy\u9879\u76ee\uff1a<\/li>\n<\/ol>\n<p><p>\u5728Scrapy\u9879\u76ee\u7684settings.py\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">SPLASH_URL = &#39;http:\/\/localhost:8050&#39;  # Splash\u670d\u52a1\u7684URL<\/p>\n<p>DOWNLOADER_MIDDLEWARES = {<\/p>\n<p>    &#39;scrapy_splash.SplashCookiesMiddleware&#39;: 723,<\/p>\n<p>    &#39;scrapy_splash.SplashMiddleware&#39;: 725,<\/p>\n<p>    &#39;scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware&#39;: 810,<\/p>\n<p>}<\/p>\n<p>SPIDER_MIDDLEWARES = {<\/p>\n<p>    &#39;scrapy_splash.SplashDeduplicateArgsMiddleware&#39;: 100,<\/p>\n<p>}<\/p>\n<p>DUPEFILTER_CLASS = &#39;scrapy_splash.SplashAwareDupeFilter&#39;<\/p>\n<p>HTTPCACHE_STORAGE = &#39;scrapy_splash.SplashAwareFSCacheStorage&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u521b\u5efaSpider\u5e76\u4f7f\u7528Splash\u8bf7\u6c42\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import scrapy<\/p>\n<p>from scrapy_splash import SplashRequest<\/p>\n<p>class MySpider(scrapy.Spider):<\/p>\n<p>    name = &#39;myspider&#39;<\/p>\n<p>    start_urls = [&#39;https:\/\/example.com&#39;]  # \u66ff\u6362\u4e3a\u4f60\u8981\u722c\u53d6\u7684\u52a8\u6001\u7f51\u9875\u7684URL<\/p>\n<p>    def start_requests(self):<\/p>\n<p>        for url in self.start_urls:<\/p>\n<p>            yield SplashRequest(url, self.parse, args={&#39;wait&#39;: 2})<\/p>\n<p>    def parse(self, response):<\/p>\n<p>        # \u63d0\u53d6\u6240\u9700\u6570\u636e<\/p>\n<p>        data = response.xpath(&#39;\/\/div[@id=&quot;data_id&quot;]\/text()&#39;).get()  # \u66ff\u6362\u4e3a\u4f60\u8981\u63d0\u53d6\u7684\u6570\u636e\u7684XPath<\/p>\n<p>        print(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516b\u3001\u4f7f\u7528Pyppeteer\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875<\/p>\n<\/p>\n<p><p>Pyppeteer\u662fPuppeteer\u7684Python\u7248\u672c\uff0c\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u65e0\u5934\u6d4f\u89c8\u5668\u6765\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u3002<\/p>\n<\/p>\n<ol>\n<li>\u5b89\u88c5Pyppeteer\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-bash\">pip install pyppeteer<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528Pyppeteer\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import asyncio<\/p>\n<p>from pyppeteer import launch<\/p>\n<p>async def main():<\/p>\n<p>    browser = await launch()<\/p>\n<p>    page = await browser.newPage()<\/p>\n<p>    await page.goto(&#39;https:\/\/example.com&#39;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u722c\u53d6\u7684\u52a8\u6001\u7f51\u9875\u7684URL<\/p>\n<p>    await page.waitForSelector(&#39;#element_id&#39;)  # \u66ff\u6362\u4e3a\u4f60\u8981\u63d0\u53d6\u7684\u5143\u7d20\u7684ID<\/p>\n<p>    data = await page.evaluate(&#39;document.querySelector(&quot;#element_id&quot;).textContent&#39;)  # \u63d0\u53d6\u6240\u9700\u6570\u636e<\/p>\n<p>    print(data)<\/p>\n<p>    await browser.close()<\/p>\n<p>asyncio.get_event_loop().run_until_complete(main())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e5d\u3001\u4f18\u5316\u548c\u8c03\u8bd5<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u884c\u8c03\u8bd5\u548c\u4f18\u5316\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u8c03\u8bd5\u52a0\u8f7d\u8fc7\u7a0b<\/strong>\uff1a\u4f7f\u7528\u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\u67e5\u770b\u7f51\u7edc\u8bf7\u6c42\u548cJavaScript\u6267\u884c\u60c5\u51b5\uff0c\u627e\u5230\u5173\u952e\u6570\u636e\u7684\u52a0\u8f7d\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u5316\u7b49\u5f85\u65f6\u95f4<\/strong>\uff1a\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u7b49\u5f85\u65f6\u95f4\uff0c\u786e\u4fdd\u5728\u6570\u636e\u52a0\u8f7d\u5b8c\u6210\u540e\u63d0\u53d6\u6570\u636e\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5904\u7406\u5f02\u5e38<\/strong>\uff1a\u6dfb\u52a0\u5f02\u5e38\u5904\u7406\u4ee3\u7801\uff0c\u786e\u4fdd\u5728\u53d1\u751f\u9519\u8bef\u65f6\u80fd\u591f\u6b63\u5e38\u9000\u51fa\u5e76\u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4f7f\u7528Python\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u3002\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u548c\u65b9\u6cd5\uff0c\u5e76\u4e0d\u65ad\u4f18\u5316\u548c\u8c03\u8bd5\u4ee3\u7801\uff0c\u4ee5\u63d0\u9ad8\u722c\u53d6\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u6570\u636e\uff1f<\/strong><br \/>\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u901a\u5e38\u4f7f\u7528JavaScript\u6765\u5f02\u6b65\u83b7\u53d6\u6570\u636e\u3002\u8981\u6709\u6548\u6293\u53d6\u8fd9\u4e9b\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982Selenium\u6216Playwright\uff0c\u5b83\u4eec\u80fd\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff0c\u6267\u884cJavaScript\u4ee3\u7801\uff0c\u4ece\u800c\u83b7\u53d6\u6700\u7ec8\u6e32\u67d3\u7684\u5185\u5bb9\u3002\u6b64\u5916\uff0c\u5229\u7528\u5f00\u53d1\u8005\u5de5\u5177\u4e2d\u7684\u7f51\u7edc\u9762\u677f\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u6570\u636e\u8bf7\u6c42\u7684API\uff0c\u4ece\u800c\u76f4\u63a5\u8bf7\u6c42\u6570\u636e\u3002<\/p>\n<p><strong>\u4f7f\u7528Selenium\u722c\u53d6\u52a8\u6001\u7f51\u9875\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u4f7f\u7528Selenium\u722c\u53d6\u52a8\u6001\u7f51\u9875\u65f6\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u76f8\u5e94\u7684\u6d4f\u89c8\u5668\u9a71\u52a8\u3002\u63a5\u4e0b\u6765\uff0c\u7f16\u5199Python\u811a\u672c\uff0c\u6253\u5f00\u76ee\u6807\u7f51\u9875\uff0c\u5e76\u5229\u7528Selenium\u7684\u7b49\u5f85\u673a\u5236\uff08\u5982WebDriverWait\uff09\u786e\u4fdd\u9875\u9762\u5143\u7d20\u5b8c\u5168\u52a0\u8f7d\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528XPath\u6216CSS\u9009\u62e9\u5668\u5b9a\u4f4d\u5e76\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<p><strong>\u5728\u722c\u53d6\u52a8\u6001\u7f51\u9875\u65f6\u5982\u4f55\u5904\u7406\u53cd\u722c\u866b\u673a\u5236\uff1f<\/strong><br \/>\u4e3a\u4e86\u907f\u514d\u88ab\u7f51\u7ad9\u68c0\u6d4b\u5230\uff0c\u5efa\u8bae\u5728\u722c\u53d6\u65f6\u8bbe\u7f6e\u968f\u673a\u7684User-Agent\uff0c\u4f7f\u7528\u4ee3\u7406IP\uff0c\u5e76\u5728\u8bf7\u6c42\u4e4b\u95f4\u6dfb\u52a0\u5ef6\u8fdf\u3002\u6b64\u5916\uff0c\u6a21\u62df\u4eba\u7c7b\u884c\u4e3a\uff0c\u5982\u6eda\u52a8\u9875\u9762\u6216\u70b9\u51fb\u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u964d\u4f4e\u88ab\u5c01\u7981\u7684\u98ce\u9669\u3002\u52a1\u5fc5\u9075\u5faa\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\uff0c\u786e\u4fdd\u722c\u53d6\u884c\u4e3a\u5408\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u722c\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528Selenium\u3001\u4f7f\u7528Scrapy-Splash\u3001\u4f7f\u7528Pypp [&hellip;]","protected":false},"author":3,"featured_media":1032006,"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\/1031993"}],"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=1031993"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031993\/revisions"}],"predecessor-version":[{"id":1032007,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031993\/revisions\/1032007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1032006"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1031993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1031993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1031993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}