{"id":4558,"date":"2022-03-27T11:08:08","date_gmt":"2022-03-27T03:08:08","guid":{"rendered":"https:\/\/egonlin.com\/?p=4558"},"modified":"2023-02-02T18:39:09","modified_gmt":"2023-02-02T10:39:09","slug":"%e7%ac%ac%e4%ba%8c%e8%8a%82%ef%bc%9a%e7%88%ac%e8%99%ab%e8%af%b7%e6%b1%82%e5%ba%93%e4%b9%8bselenium","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4558","title":{"rendered":"\u7b2c\u4e8c\u8282\uff1a\u722c\u866b\u8bf7\u6c42\u5e93\u4e4bselenium"},"content":{"rendered":"<h1>\u4e00 \u4ecb\u7ecd<\/h1>\n<pre><code>selenium\u6700\u521d\u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u6d4b\u8bd5\u5de5\u5177,\u800c\u722c\u866b\u4e2d\u4f7f\u7528\u5b83\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3requests\u65e0\u6cd5\u76f4\u63a5\u6267\u884cJavaScript\u4ee3\u7801\u7684\u95ee\u9898\n\nselenium\u672c\u8d28\u662f\u901a\u8fc7\u9a71\u52a8\u6d4f\u89c8\u5668\uff0c\u5b8c\u5168\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u8df3\u8f6c\u3001\u8f93\u5165\u3001\u70b9\u51fb\u3001\u4e0b\u62c9\u7b49\uff0c\u6765\u62ff\u5230\u7f51\u9875\u6e32\u67d3\u4e4b\u540e\u7684\u7ed3\u679c\uff0c\u53ef\u652f\u6301\u591a\u79cd\u6d4f\u89c8\u5668\n\nfrom selenium import webdriver\nbrowser=webdriver.Chrome()\nbrowser=webdriver.Firefox()\nbrowser=webdriver.PhantomJS()\nbrowser=webdriver.Safari()\nbrowser=webdriver.Edge()<\/code><\/pre>\n<p>\u5b98\u7f51\uff1a<a href=\"http:\/\/selenium-python.readthedocs.io\">http:\/\/selenium-python.readthedocs.io<\/a><\/p>\n<h1>\u4e8c \u5b89\u88c5<\/h1>\n<h2>1\u3001\u6709\u754c\u9762\u6d4f\u89c8\u5668<\/h2>\n<p><strong>selenium+chromedriver<\/strong><\/p>\n<pre><code>#\u5b89\u88c5\uff1aselenium+chromedriver\npip3 install selenium\n\u4e0b\u8f7dchromdriver.exe\u653e\u5230python\u5b89\u88c5\u8def\u5f84\u7684scripts\u76ee\u5f55\u4e2d\u5373\u53ef\uff0c\u6ce8\u610f\u6700\u65b0\u7248\u672c\u662f2.38\uff0c\u5e76\u975e2.9\n\u56fd\u5185\u955c\u50cf\u7f51\u7ad9\u5730\u5740\uff1ahttp:\/\/npm.taobao.org\/mirrors\/chromedriver\/2.38\/\n\u6700\u65b0\u7684\u7248\u672c\u53bb\u5b98\u7f51\u627e:https:\/\/sites.google.com\/a\/chromium.org\/chromedriver\/downloads\n\n#\u9a8c\u8bc1\u5b89\u88c5\nC:\\Users\\Administrator&gt;python3\nPython 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 18:41:36) [MSC v.1900 64 bit (AMD64)] on win32\nType &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.\n>&gt;&gt; from selenium import webdriver\n>&gt;&gt; driver=webdriver.Chrome() #\u5f39\u51fa\u6d4f\u89c8\u5668\n>&gt;&gt; driver.get(&#039;https:\/\/www.baidu.com&#039;)\n>&gt;&gt; driver.page_source\n\n#\u6ce8\u610f\uff1a\nselenium3\u9ed8\u8ba4\u652f\u6301\u7684webdriver\u662fFirfox\uff0c\u800cFirefox\u9700\u8981\u5b89\u88c5geckodriver\n\u4e0b\u8f7d\u94fe\u63a5\uff1ahttps:\/\/github.com\/mozilla\/geckodriver\/releases<\/code><\/pre>\n<h2>2\u3001\u65e0\u754c\u9762\u6d4f\u89c8\u5668<\/h2>\n<p>PhantomJS\u4e0d\u518d\u66f4\u65b0<\/p>\n<p><strong>selenium+phantomjs<\/strong><\/p>\n<pre><code>#\u5b89\u88c5\uff1aselenium+phantomjs\npip3 install selenium\n\u4e0b\u8f7dphantomjs\uff0c\u89e3\u538b\u540e\u628aphantomjs.exe\u6240\u5728\u7684bin\u76ee\u5f55\u653e\u5230\u73af\u5883\u53d8\u91cf\n\u4e0b\u8f7d\u94fe\u63a5\uff1ahttp:\/\/phantomjs.org\/download.html\n\n#\u9a8c\u8bc1\u5b89\u88c5\nC:\\Users\\Administrator&gt;phantomjs\nphantomjs&gt; console.log(&#039;egon gaga&#039;)\negon gaga\nundefined\nphantomjs&gt; ^C\nC:\\Users\\Administrator&gt;python3\nPython 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 18:41:36) [MSC v.1900 64 bit (AMD64)] on win32\nType &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.\n>&gt;&gt; from selenium import webdriver\n>&gt;&gt; driver=webdriver.PhantomJS() #\u65e0\u754c\u9762\u6d4f\u89c8\u5668\n>&gt;&gt; driver.get(&#039;https:\/\/www.baidu.com&#039;)\n>&gt;&gt; driver.page_source<\/code><\/pre>\n<pre><code>\u5728 PhantomJS \u5e74\u4e45\u5931\u4fee, \u540e\u7ee7\u65e0\u4eba\u7684\u8282\u9aa8\u773c \nChrome \u51fa\u6765\u6551\u573a, \u518d\u6b21\u6210\u4e3a\u4e86\u53cd\u722c\u866b Team \u7684\u5669\u68a6\n\u81eaGoogle \u53d1\u5e03 chrome 59 \/ 60 \u6b63\u5f0f\u7248 \u5f00\u59cb\u4fbf\u652f\u6301Headless mode \n\u8fd9\u610f\u5473\u7740\u5728\u65e0 GUI \u73af\u5883\u4e0b, PhantomJS \u4e0d\u518d\u662f\u552f\u4e00\u9009\u62e9 <\/code><\/pre>\n<p><strong>selenium+\u8c37\u6b4c\u6d4f\u89c8\u5668headless\u6a21\u5f0f<\/strong><\/p>\n<pre><code>#selenium:3.12.0\n#webdriver:2.38\n#chrome.exe: 65.0.3325.181\uff08\u6b63\u5f0f\u7248\u672c\uff09 \uff0832 \u4f4d\uff09\n\nfrom selenium import webdriver\nfrom selenium.webdriver.chrome.options import Options\nchrome_options = Options()\nchrome_options.add_argument(&#039;window-size=1920x3000&#039;) #\u6307\u5b9a\u6d4f\u89c8\u5668\u5206\u8fa8\u7387\nchrome_options.add_argument(&#039;--disable-gpu&#039;) #\u8c37\u6b4c\u6587\u6863\u63d0\u5230\u9700\u8981\u52a0\u4e0a\u8fd9\u4e2a\u5c5e\u6027\u6765\u89c4\u907fbug\nchrome_options.add_argument(&#039;--hide-scrollbars&#039;) #\u9690\u85cf\u6eda\u52a8\u6761, \u5e94\u5bf9\u4e00\u4e9b\u7279\u6b8a\u9875\u9762\nchrome_options.add_argument(&#039;blink-settings=imagesEnabled=false&#039;) #\u4e0d\u52a0\u8f7d\u56fe\u7247, \u63d0\u5347\u901f\u5ea6\nchrome_options.add_argument(&#039;--headless&#039;) #\u6d4f\u89c8\u5668\u4e0d\u63d0\u4f9b\u53ef\u89c6\u5316\u9875\u9762. linux\u4e0b\u5982\u679c\u7cfb\u7edf\u4e0d\u652f\u6301\u53ef\u89c6\u5316\u4e0d\u52a0\u8fd9\u6761\u4f1a\u542f\u52a8\u5931\u8d25\nchrome_options.binary_location = r&quot;C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe&quot; #\u624b\u52a8\u6307\u5b9a\u4f7f\u7528\u7684\u6d4f\u89c8\u5668\u4f4d\u7f6e\n\ndriver=webdriver.Chrome(chrome_options=chrome_options)\ndriver.get(&#039;https:\/\/www.baidu.com&#039;)\n\nprint(&#039;hao123&#039; in driver.page_source)\n\ndriver.close() #\u5207\u8bb0\u5173\u95ed\u6d4f\u89c8\u5668\uff0c\u56de\u6536\u8d44\u6e90<\/code><\/pre>\n<h1>\u4e09 \u57fa\u672c\u4f7f\u7528<\/h1>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\nbrowser=webdriver.Chrome()\ntry:\n    browser.get(&#039;https:\/\/www.baidu.com&#039;)\n<\/code><\/pre>\n<p>input_tag=browser.find_element_by_id(&#8216;kw&#8217;)<br \/>\ninput_tag.send_keys(&#8216;\u7f8e\u5973&#8217;) #python2\u4e2d\u8f93\u5165\u4e2d\u6587\u9519\u8bef\uff0c\u5b57\u7b26\u4e32\u524d\u52a0\u4e2au<br \/>\ninput_tag.send_keys(Keys.ENTER) #\u8f93\u5165\u56de\u8f66<\/p>\n<pre><code>\n    wait=WebDriverWait(browser,10)\n    wait.until(EC.presence_of_element_located((By.ID,&#039;content_left&#039;))) #\u7b49\u5230id\u4e3acontent_left\u7684\u5143\u7d20\u52a0\u8f7d\u5b8c\u6bd5,\u6700\u591a\u7b4910\u79d2\n<\/code><\/pre>\n<p>print(browser.page_source)<br \/>\nprint(browser.current_url)<br \/>\nprint(browser.get_cookies())<\/p>\n<pre><code>\nfinally:\n    browser.close()<\/code><\/pre>\n<h1>\u56db \u9009\u62e9\u5668<\/h1>\n<h2>1 \u57fa\u672c\u7528\u6cd5<\/h2>\n<pre><code>#\u5b98\u7f51\u94fe\u63a5\uff1ahttp:\/\/selenium-python.readthedocs.io\/locating-elements.html\nfrom selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\nimport time\n\ndriver=webdriver.Chrome()\ndriver.get(&#039;https:\/\/www.baidu.com&#039;)\nwait=WebDriverWait(driver,10)\n\ntry:\n    #===============\u6240\u6709\u65b9\u6cd5===================\n    # 1\u3001find_element_by_id\n    # 2\u3001find_element_by_link_text\n    # 3\u3001find_element_by_partial_link_text\n    # 4\u3001find_element_by_tag_name\n    # 5\u3001find_element_by_class_name\n    # 6\u3001find_element_by_name\n    # 7\u3001find_element_by_css_selector\n    # 8\u3001find_element_by_xpath\n    # \u5f3a\u8c03\uff1a\n    # 1\u3001\u4e0a\u8ff0\u5747\u53ef\u4ee5\u6539\u5199\u6210find_element(By.ID,&#039;kw&#039;)\u7684\u5f62\u5f0f\n    # 2\u3001find_elements_by_xxx\u7684\u5f62\u5f0f\u662f\u67e5\u627e\u5230\u591a\u4e2a\u5143\u7d20\uff0c\u7ed3\u679c\u4e3a\u5217\u8868\n\n#===============\u793a\u8303\u7528\u6cd5===================\n# 1\u3001find_element_by_id\nprint(driver.find_element_by_id(&#039;kw&#039;))\n\n# 2\u3001find_element_by_link_text\n# login=driver.find_element_by_link_text(&#039;\u767b\u5f55&#039;)\n# login.click()\n\n# 3\u3001find_element_by_partial_link_text\nlogin=driver.find_elements_by_partial_link_text(&#039;\u5f55&#039;)[0]\nlogin.click()\n\n# 4\u3001find_element_by_tag_name\nprint(driver.find_element_by_tag_name(&#039;a&#039;))\n\n# 5\u3001find_element_by_class_name\nbutton=wait.until(EC.element_to_be_clickable((By.CLASS_NAME,&#039;tang-pass-footerBarULogin&#039;)))\nbutton.click()\n\n# 6\u3001find_element_by_name\ninput_user=wait.until(EC.presence_of_element_located((By.NAME,&#039;userName&#039;)))\ninput_pwd=wait.until(EC.presence_of_element_located((By.NAME,&#039;password&#039;)))\ncommit=wait.until(EC.element_to_be_clickable((By.ID,&#039;TANGRAM__PSP_10__submit&#039;)))\n\ninput_user.send_keys(&#039;18611453110&#039;)\ninput_pwd.send_keys(&#039;xxxxxx&#039;)\ncommit.click()\n\n# 7\u3001find_element_by_css_selector\ndriver.find_element_by_css_selector(&#039;#kw&#039;)\n\n# 8\u3001find_element_by_xpath\n\n    time.sleep(5)\n\nfinally:\n    driver.close()<\/code><\/pre>\n<h2>2 xpath<\/h2>\n<pre><code>#\u5b98\u7f51\u94fe\u63a5\uff1ahttp:\/\/selenium-python.readthedocs.io\/locating-elements.html\nfrom selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\nimport time\n\ndriver=webdriver.PhantomJS()\ndriver.get(&#039;https:\/\/doc.scrapy.org\/en\/latest\/_static\/selectors-sample1.html&#039;)\n# wait=WebDriverWait(driver,3)\ndriver.implicitly_wait(3) #\u4f7f\u7528\u9690\u5f0f\u7b49\u5f85\n\ntry:\n    # find_element_by_xpath\n    #\/\/\u4e0e\/\n    # driver.find_element_by_xpath(&#039;\/\/body\/a&#039;)  # \u5f00\u5934\u7684\/\/\u4ee3\u8868\u4ece\u6574\u7bc7\u6587\u6863\u4e2d\u5bfb\u627e,body\u4e4b\u540e\u7684\/\u4ee3\u8868body\u7684\u513f\u5b50\uff0c\u8fd9\u4e00\u884c\u627e\u4e0d\u5230\u5c31\u4f1a\u62a5\u9519\u4e86\n\n    driver.find_element_by_xpath(&#039;\/\/body\/\/a&#039;)  # \u5f00\u5934\u7684\/\/\u4ee3\u8868\u4ece\u6574\u7bc7\u6587\u6863\u4e2d\u5bfb\u627e,body\u4e4b\u540e\u7684\/\/\u4ee3\u8868body\u7684\u5b50\u5b50\u5b59\u5b59\n    driver.find_element_by_css_selector(&#039;body a&#039;)\n\n#\u53d6\u7b2cn\u4e2a\nres1=driver.find_elements_by_xpath(&#039;\/\/body\/\/a[1]&#039;) #\u53d6\u7b2c\u4e00\u4e2aa\u6807\u7b7e\nprint(res1[0].text)\n\n#\u6309\u7167\u5c5e\u6027\u67e5\u627e,\u4e0b\u8ff0\u4e09\u8005\u67e5\u627e\u6548\u679c\u4e00\u6837\nres1=driver.find_element_by_xpath(&#039;\/\/a[5]&#039;)\nres2=driver.find_element_by_xpath(&#039;\/\/a[@href=&quot;image5.html&quot;]&#039;)\nres3=driver.find_element_by_xpath(&#039;\/\/a[contains(@href,&quot;image5&quot;)]&#039;) #\u6a21\u7cca\u67e5\u627e\nprint(&#039;==&gt;&#039;, res1.text)\nprint(&#039;==&gt;&#039;,res2.text)\nprint(&#039;==&gt;&#039;,res3.text)\n\n#\u5176\u4ed6\nres1=driver.find_element_by_xpath(&#039;\/html\/body\/div\/a&#039;)\nprint(res1.text)\n\nres2=driver.find_element_by_xpath(&#039;\/\/a[img\/@src=&quot;image3_thumb.jpg&quot;]&#039;) #\u627e\u5230\u5b50\u6807\u7b7eimg\u7684src\u5c5e\u6027\u4e3aimage3_thumb.jpg\u7684a\u6807\u7b7e\nprint(res2.tag_name,res2.text)\n\nres3 = driver.find_element_by_xpath(&quot;\/\/input[@name=&#039;continue&#039;][@type=&#039;button&#039;]&quot;) #\u67e5\u770b\u5c5e\u6027name\u4e3acontinue\u4e14\u5c5e\u6027type\u4e3abutton\u7684input\u6807\u7b7e\nres4 = driver.find_element_by_xpath(&quot;\/\/*[@name=&#039;continue&#039;][@type=&#039;button&#039;]&quot;) #\u67e5\u770b\u5c5e\u6027name\u4e3acontinue\u4e14\u5c5e\u6027type\u4e3abutton\u7684\u6240\u6709\u6807\u7b7e\n\ntime.sleep(5)\n\nfinally:\n    driver.close()<\/code><\/pre>\n<p><strong>\u8be6\u89e3<\/strong><\/p>\n<pre><code>doc=&#039;&#039;&#039;\n&lt;html&gt;\n &lt;head&gt;\n  &lt;base href=&#039;http:\/\/example.com\/&#039; \/&gt;\n  &lt;title&gt;Example website&lt;\/title&gt;\n &lt;\/head&gt;\n &lt;body&gt;\n  &lt;div id=&#039;images&#039;&gt;\n   &lt;a href=&#039;image1.html&#039;&gt;Name: My image 1 &lt;br \/&gt;&lt;img src=&#039;image1_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n   &lt;a href=&#039;image2.html&#039;&gt;Name: My image 2 &lt;br \/&gt;&lt;img src=&#039;image2_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n   &lt;a href=&#039;image3.html&#039;&gt;Name: My image 3 &lt;br \/&gt;&lt;img src=&#039;image3_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n   &lt;a href=&#039;image4.html&#039;&gt;Name: My image 4 &lt;br \/&gt;&lt;img src=&#039;image4_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n   &lt;a href=&#039;image5.html&#039; class=&#039;li li-item&#039; name=&#039;items&#039;&gt;Name: My image 5 &lt;br \/&gt;&lt;img src=&#039;image5_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n   &lt;a href=&#039;image6.html&#039; name=&#039;items&#039;&gt;&lt;span&gt;&lt;h5&gt;test&lt;\/h5&gt;&lt;\/span&gt;Name: My image 6 &lt;br \/&gt;&lt;img src=&#039;image6_thumb.jpg&#039; \/&gt;&lt;\/a&gt;\n  &lt;\/div&gt;\n &lt;\/body&gt;\n&lt;\/html&gt;\n&#039;&#039;&#039;\nfrom lxml import etree\n\nhtml=etree.HTML(doc)\n# html=etree.parse(&#039;search.html&#039;,etree.HTMLParser())\n# 1 \u6240\u6709\u8282\u70b9\n# a=html.xpath(&#039;\/\/*&#039;)\n# 2 \u6307\u5b9a\u8282\u70b9\uff08\u7ed3\u679c\u4e3a\u5217\u8868\uff09\n# a=html.xpath(&#039;\/\/head&#039;)\n# 3 \u5b50\u8282\u70b9\uff0c\u5b50\u5b59\u8282\u70b9\n# a=html.xpath(&#039;\/\/div\/a&#039;)\n# a=html.xpath(&#039;\/\/body\/a&#039;) #\u65e0\u6570\u636e\n# a=html.xpath(&#039;\/\/body\/\/a&#039;)\n# 4 \u7236\u8282\u70b9\n# a=html.xpath(&#039;\/\/body\/\/a[@href=&quot;image1.html&quot;]\/..&#039;)\n# a=html.xpath(&#039;\/\/body\/\/a[1]\/..&#039;)\n# \u4e5f\u53ef\u4ee5\u8fd9\u6837\n# a=html.xpath(&#039;\/\/body\/\/a[1]\/parent::*&#039;)\n# 5 \u5c5e\u6027\u5339\u914d\n# a=html.xpath(&#039;\/\/body\/\/a[@href=&quot;image1.html&quot;]&#039;)\n\n# 6 \u6587\u672c\u83b7\u53d6\n# a=html.xpath(&#039;\/\/body\/\/a[@href=&quot;image1.html&quot;]\/text()&#039;)\n\n# 7 \u5c5e\u6027\u83b7\u53d6\n# a=html.xpath(&#039;\/\/body\/\/a\/@href&#039;)\n# # \u6ce8\u610f\u4ece1 \u5f00\u59cb\u53d6\uff08\u4e0d\u662f\u4ece0\uff09\n# a=html.xpath(&#039;\/\/body\/\/a[1]\/@href&#039;)\n# 8 \u5c5e\u6027\u591a\u503c\u5339\u914d\n#  a \u6807\u7b7e\u6709\u591a\u4e2aclass\u7c7b\uff0c\u76f4\u63a5\u5339\u914d\u5c31\u4e0d\u53ef\u4ee5\u4e86\uff0c\u9700\u8981\u7528contains\n# a=html.xpath(&#039;\/\/body\/\/a[@class=&quot;li&quot;]&#039;)\n# a=html.xpath(&#039;\/\/body\/\/a[contains(@class,&quot;li&quot;)]&#039;)\n# a=html.xpath(&#039;\/\/body\/\/a[contains(@class,&quot;li&quot;)]\/text()&#039;)\n# 9 \u591a\u5c5e\u6027\u5339\u914d\n# a=html.xpath(&#039;\/\/body\/\/a[contains(@class,&quot;li&quot;) or @name=&quot;items&quot;]&#039;)\n# a=html.xpath(&#039;\/\/body\/\/a[contains(@class,&quot;li&quot;) and @name=&quot;items&quot;]\/text()&#039;)\n# # a=html.xpath(&#039;\/\/body\/\/a[contains(@class,&quot;li&quot;)]\/text()&#039;)\n# 10 \u6309\u5e8f\u9009\u62e9\n# a=html.xpath(&#039;\/\/a[2]\/text()&#039;)\n# a=html.xpath(&#039;\/\/a[2]\/@href&#039;)\n# \u53d6\u6700\u540e\u4e00\u4e2a\n# a=html.xpath(&#039;\/\/a[last()]\/@href&#039;)\n# \u4f4d\u7f6e\u5c0f\u4e8e3\u7684\n# a=html.xpath(&#039;\/\/a[position()&lt;3]\/@href&#039;)\n# \u5012\u6570\u7b2c\u4e8c\u4e2a\n# a=html.xpath(&#039;\/\/a[last()-2]\/@href&#039;)\n# 11 \u8282\u70b9\u8f74\u9009\u62e9\n# ancestor\uff1a\u7956\u5148\u8282\u70b9\n# \u4f7f\u7528\u4e86* \u83b7\u53d6\u6240\u6709\u7956\u5148\u8282\u70b9\n# a=html.xpath(&#039;\/\/a\/ancestor::*&#039;)\n# # \u83b7\u53d6\u7956\u5148\u8282\u70b9\u4e2d\u7684div\n# a=html.xpath(&#039;\/\/a\/ancestor::div&#039;)\n# attribute\uff1a\u5c5e\u6027\u503c\n# a=html.xpath(&#039;\/\/a[1]\/attribute::*&#039;)\n# child\uff1a\u76f4\u63a5\u5b50\u8282\u70b9\n# a=html.xpath(&#039;\/\/a[1]\/child::*&#039;)\n# descendant\uff1a\u6240\u6709\u5b50\u5b59\u8282\u70b9\n# a=html.xpath(&#039;\/\/a[6]\/descendant::*&#039;)\n# following:\u5f53\u524d\u8282\u70b9\u4e4b\u540e\u6240\u6709\u8282\u70b9\n# a=html.xpath(&#039;\/\/a[1]\/following::*&#039;)\n# a=html.xpath(&#039;\/\/a[1]\/following::*[1]\/@href&#039;)\n# following-sibling:\u5f53\u524d\u8282\u70b9\u4e4b\u540e\u540c\u7ea7\u8282\u70b9\n# a=html.xpath(&#039;\/\/a[1]\/following-sibling::*&#039;)\n# a=html.xpath(&#039;\/\/a[1]\/following-sibling::a&#039;)\n# a=html.xpath(&#039;\/\/a[1]\/following-sibling::*[2]&#039;)\n# a=html.xpath(&#039;\/\/a[1]\/following-sibling::*[2]\/@href&#039;)\n\n# print(a)<\/code><\/pre>\n<h2>3 \u83b7\u53d6\u6807\u7b7e\u5c5e\u6027<\/h2>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\nbrowser=webdriver.Chrome()\n\nbrowser.get(&#039;https:\/\/www.amazon.cn\/&#039;)\n\nwait=WebDriverWait(browser,10)\nwait.until(EC.presence_of_element_located((By.ID,&#039;cc-lm-tcgShowImgContainer&#039;)))\n\ntag=browser.find_element(By.CSS_SELECTOR,&#039;#cc-lm-tcgShowImgContainer img&#039;)\n\n#\u83b7\u53d6\u6807\u7b7e\u5c5e\u6027\uff0c\nprint(tag.get_attribute(&#039;src&#039;))\n\n#\u83b7\u53d6\u6807\u7b7eID\uff0c\u4f4d\u7f6e\uff0c\u540d\u79f0\uff0c\u5927\u5c0f\uff08\u4e86\u89e3\uff09\nprint(tag.id)\nprint(tag.location)\nprint(tag.tag_name)\nprint(tag.size)\n\nbrowser.close()<\/code><\/pre>\n<h1>\u4e94 \u7b49\u5f85\u5143\u7d20\u88ab\u52a0\u8f7d<\/h1>\n<pre><code>#1\u3001selenium\u53ea\u662f\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u800c\u6d4f\u89c8\u5668\u89e3\u6790\u9875\u9762\u662f\u9700\u8981\u65f6\u95f4\u7684\uff08\u6267\u884ccss\uff0cjs\uff09\uff0c\u4e00\u4e9b\u5143\u7d20\u53ef\u80fd\u9700\u8981\u8fc7\u4e00\u6bb5\u65f6\u95f4\u624d\u80fd\u52a0\u8f7d\u51fa\u6765\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u80fd\u67e5\u627e\u5230\u5143\u7d20\uff0c\u5fc5\u987b\u7b49\u5f85\n\n#2\u3001\u7b49\u5f85\u7684\u65b9\u5f0f\u5206\u4e24\u79cd\uff1a\n\u9690\u5f0f\u7b49\u5f85\uff1a\u5728browser.get\uff08&#039;xxx&#039;\uff09\u524d\u5c31\u8bbe\u7f6e\uff0c\u9488\u5bf9\u6240\u6709\u5143\u7d20\u6709\u6548\n\u663e\u5f0f\u7b49\u5f85\uff1a\u5728browser.get\uff08&#039;xxx&#039;\uff09\u4e4b\u540e\u8bbe\u7f6e\uff0c\u53ea\u9488\u5bf9\u67d0\u4e2a\u5143\u7d20\u6709\u6548\n<\/code><\/pre>\n<p><strong>\u9690\u5f0f\u7b49\u5f85<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\nbrowser=webdriver.Chrome()\n\n#\u9690\u5f0f\u7b49\u5f85:\u5728\u67e5\u627e\u6240\u6709\u5143\u7d20\u65f6\uff0c\u5982\u679c\u5c1a\u672a\u88ab\u52a0\u8f7d\uff0c\u5219\u7b4910\u79d2\nbrowser.implicitly_wait(10)\n\nbrowser.get(&#039;https:\/\/www.baidu.com&#039;)\n\ninput_tag=browser.find_element_by_id(&#039;kw&#039;)\ninput_tag.send_keys(&#039;\u7f8e\u5973&#039;)\ninput_tag.send_keys(Keys.ENTER)\n\ncontents=browser.find_element_by_id(&#039;content_left&#039;) #\u6ca1\u6709\u7b49\u5f85\u73af\u8282\u800c\u76f4\u63a5\u67e5\u627e\uff0c\u627e\u4e0d\u5230\u5219\u4f1a\u62a5\u9519\nprint(contents)\n\nbrowser.close()<\/code><\/pre>\n<p><strong>\u663e\u5f0f\u7b49\u5f85<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\nbrowser=webdriver.Chrome()\nbrowser.get(&#039;https:\/\/www.baidu.com&#039;)\n\ninput_tag=browser.find_element_by_id(&#039;kw&#039;)\ninput_tag.send_keys(&#039;\u7f8e\u5973&#039;)\ninput_tag.send_keys(Keys.ENTER)\n\n#\u663e\u5f0f\u7b49\u5f85\uff1a\u663e\u5f0f\u5730\u7b49\u5f85\u67d0\u4e2a\u5143\u7d20\u88ab\u52a0\u8f7d\nwait=WebDriverWait(browser,10)\nwait.until(EC.presence_of_element_located((By.ID,&#039;content_left&#039;)))\n\ncontents=browser.find_element(By.CSS_SELECTOR,&#039;#content_left&#039;)\nprint(contents)\n\nbrowser.close()<\/code><\/pre>\n<h1>\u516d \u5143\u7d20\u4ea4\u4e92\u64cd\u4f5c<\/h1>\n<p><strong>\u70b9\u51fb\uff0c\u6e05\u7a7a<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\nbrowser=webdriver.Chrome()\nbrowser.get(&#039;https:\/\/www.amazon.cn\/&#039;)\nwait=WebDriverWait(browser,10)\n\ninput_tag=wait.until(EC.presence_of_element_located((By.ID,&#039;twotabsearchtextbox&#039;)))\ninput_tag.send_keys(&#039;iphone 8&#039;)\nbutton=browser.find_element_by_css_selector(&#039;#nav-search &gt; form &gt; div.nav-right &gt; div &gt; input&#039;)\nbutton.click()\n\nimport time\ntime.sleep(3)\n\ninput_tag=browser.find_element_by_id(&#039;twotabsearchtextbox&#039;)\ninput_tag.clear() #\u6e05\u7a7a\u8f93\u5165\u6846\ninput_tag.send_keys(&#039;iphone7plus&#039;)\nbutton=browser.find_element_by_css_selector(&#039;#nav-search &gt; form &gt; div.nav-right &gt; div &gt; input&#039;)\nbutton.click()\n\n# browser.close()<\/code><\/pre>\n<p><strong>Action Chains<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By  # \u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys  # \u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait  # \u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\nimport time\n\ndriver = webdriver.Chrome()\ndriver.get(&#039;http:\/\/www.runoob.com\/try\/try.php?filename=jqueryui-api-droppable&#039;)\nwait=WebDriverWait(driver,3)\n# driver.implicitly_wait(3)  # \u4f7f\u7528\u9690\u5f0f\u7b49\u5f85\n\ntry:\n    driver.switch_to.frame(&#039;iframeResult&#039;) ##\u5207\u6362\u5230iframeResult\n    sourse=driver.find_element_by_id(&#039;draggable&#039;)\n    target=driver.find_element_by_id(&#039;droppable&#039;)\n\n#\u65b9\u5f0f\u4e00\uff1a\u57fa\u4e8e\u540c\u4e00\u4e2a\u52a8\u4f5c\u94fe\u4e32\u884c\u6267\u884c\n# actions=ActionChains(driver) #\u62ff\u5230\u52a8\u4f5c\u94fe\u5bf9\u8c61\n# actions.drag_and_drop(sourse,target) #\u628a\u52a8\u4f5c\u653e\u5230\u52a8\u4f5c\u94fe\u4e2d\uff0c\u51c6\u5907\u4e32\u884c\u6267\u884c\n# actions.perform()\n\n#\u65b9\u5f0f\u4e8c\uff1a\u4e0d\u540c\u7684\u52a8\u4f5c\u94fe\uff0c\u6bcf\u6b21\u79fb\u52a8\u7684\u4f4d\u79fb\u90fd\u4e0d\u540c\n\n    ActionChains(driver).click_and_hold(sourse).perform()\n    distance=target.location[&#039;x&#039;]-sourse.location[&#039;x&#039;]\n\ntrack=0\nwhile track &lt; distance:\n    ActionChains(driver).move_by_offset(xoffset=2,yoffset=0).perform()\n    track+=2\n\nActionChains(driver).release().perform()\n\ntime.sleep(10)\n\nfinally:\n    driver.close()<\/code><\/pre>\n<p><strong>\u5728\u4ea4\u4e92\u52a8\u4f5c\u6bd4\u8f83\u96be\u5b9e\u73b0\u7684\u65f6\u5019\u53ef\u4ee5\u81ea\u5df1\u5199JS\uff08\u4e07\u80fd\u65b9\u6cd5\uff09<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\ntry:\n    browser=webdriver.Chrome()\n    browser.get(&#039;https:\/\/www.baidu.com&#039;)\n    browser.execute_script(&#039;alert(&quot;hello world&quot;)&#039;) #\u6253\u5370\u8b66\u544a\nfinally:\n    browser.close()<\/code><\/pre>\n<p><strong>\u8865\u5145:frame\u7684\u5207\u6362<\/strong><\/p>\n<pre><code>#frame\u76f8\u5f53\u4e8e\u4e00\u4e2a\u5355\u72ec\u7684\u7f51\u9875\uff0c\u5728\u7236frame\u91cc\u662f\u65e0\u6cd5\u76f4\u63a5\u67e5\u770b\u5230\u5b50frame\u7684\u5143\u7d20\u7684\uff0c\u5fc5\u987bswitch_to_frame\u5207\u5230\u8be5frame\u4e0b\uff0c\u624d\u80fd\u8fdb\u4e00\u6b65\u67e5\u627e\n\nfrom selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\n\ntry:\n    browser=webdriver.Chrome()\n    browser.get(&#039;http:\/\/www.runoob.com\/try\/try.php?filename=jqueryui-api-droppable&#039;)\n<\/code><\/pre>\n<p>browser.switch_to.frame(&#8216;iframeResult&#8217;) #\u5207\u6362\u5230id\u4e3aiframeResult\u7684frame<\/p>\n<pre><code>\n    tag1=browser.find_element_by_id(&#039;droppable&#039;)\n    print(tag1)\n\n# tag2=browser.find_element_by_id(&#039;textareaCode&#039;) #\u62a5\u9519\uff0c\u5728\u5b50frame\u91cc\u65e0\u6cd5\u67e5\u770b\u5230\u7236frame\u7684\u5143\u7d20\nbrowser.switch_to.parent_frame() #\u5207\u56de\u7236frame,\u5c31\u53ef\u4ee5\u67e5\u627e\u5230\u4e86\ntag2=browser.find_element_by_id(&#039;textareaCode&#039;)\nprint(tag2)\n\nfinally:\n    browser.close()<\/code><\/pre>\n<h1>\u4e03 \u5176\u4ed6<\/h1>\n<p><strong>\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u524d\u8fdb\u540e\u9000<\/strong><\/p>\n<pre><code>#\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u524d\u8fdb\u540e\u9000\nimport time\nfrom selenium import webdriver\n\nbrowser=webdriver.Chrome()\nbrowser.get(&#039;https:\/\/www.baidu.com&#039;)\nbrowser.get(&#039;https:\/\/www.taobao.com&#039;)\nbrowser.get(&#039;http:\/\/www.sina.com.cn\/&#039;)\n\nbrowser.back()\ntime.sleep(10)\nbrowser.forward()\nbrowser.close()<\/code><\/pre>\n<p><strong>cookies<\/strong><\/p>\n<pre><code>#cookies\nfrom selenium import webdriver\n\nbrowser=webdriver.Chrome()\nbrowser.get(&#039;https:\/\/www.zhihu.com\/explore&#039;)\nprint(browser.get_cookies())\nbrowser.add_cookie({&#039;k1&#039;:&#039;xxx&#039;,&#039;k2&#039;:&#039;yyy&#039;})\nprint(browser.get_cookies())\n\n# browser.delete_all_cookies()<\/code><\/pre>\n<p><strong>\u9009\u9879\u5361\u7ba1\u7406<\/strong><\/p>\n<pre><code>#\u9009\u9879\u5361\u7ba1\u7406\uff1a\u5207\u6362\u9009\u9879\u5361\uff0c\u6709js\u7684\u65b9\u5f0fwindows.open,\u6709windows\u5feb\u6377\u952e\uff1actrl+t\u7b49\uff0c\u6700\u901a\u7528\u7684\u5c31\u662fjs\u7684\u65b9\u5f0f\nimport time\nfrom selenium import webdriver\n\nbrowser=webdriver.Chrome()\nbrowser.get(&#039;https:\/\/www.baidu.com&#039;)\nbrowser.execute_script(&#039;window.open()&#039;)\n\nprint(browser.window_handles) #\u83b7\u53d6\u6240\u6709\u7684\u9009\u9879\u5361\nbrowser.switch_to_window(browser.window_handles[1])\nbrowser.get(&#039;https:\/\/www.taobao.com&#039;)\ntime.sleep(10)\nbrowser.switch_to_window(browser.window_handles[0])\nbrowser.get(&#039;https:\/\/www.sina.com.cn&#039;)\nbrowser.close()<\/code><\/pre>\n<p><strong>\u5f02\u5e38\u5904\u7406<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.common.exceptions import TimeoutException,NoSuchElementException,NoSuchFrameException\n\ntry:\n    browser=webdriver.Chrome()\n    browser.get(&#039;http:\/\/www.runoob.com\/try\/try.php?filename=jqueryui-api-droppable&#039;)\n    browser.switch_to.frame(&#039;iframssseResult&#039;)\n\nexcept TimeoutException as e:\n    print(e)\nexcept NoSuchFrameException as e:\n    print(e)\nfinally:\n    browser.close()<\/code><\/pre>\n<h1>\u516b \u9879\u76ee\u7ec3\u4e60<\/h1>\n<p><strong>\u81ea\u52a8\u767b\u5f55163\u90ae\u7bb1\u5e76\u53d1\u9001\u90ae\u4ef6<\/strong><\/p>\n<pre><code>#\u6ce8\u610f\uff1a\u7f51\u7ad9\u90fd\u7b56\u7565\u90fd\u662f\u5728\u4e0d\u65ad\u53d8\u5316\u7684\uff0c\u7cbe\u9ad3\u5728\u4e8e\u5b66\u4e60\u6d41\u7a0b\u3002\u4e0b\u8ff0\u4ee3\u7801\u751f\u6548\u4e0e2017-11-7\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u6c38\u4e45\u6709\u6548\nfrom selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By\nfrom selenium.webdriver.common.keys import Keys\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait\n\nbrowser=webdriver.Chrome()\n\ntry:\n    browser.get(&#039;http:\/\/mail.163.com\/&#039;)\n\nwait=WebDriverWait(browser,5)\n\nframe=wait.until(EC.presence_of_element_located((By.ID,&#039;x-URS-iframe&#039;)))\nbrowser.switch_to.frame(frame)\n\nwait.until(EC.presence_of_element_located((By.CSS_SELECTOR,&#039;.m-container&#039;)))\n\ninp_user=browser.find_element_by_name(&#039;email&#039;)\ninp_pwd=browser.find_element_by_name(&#039;password&#039;)\nbutton=browser.find_element_by_id(&#039;dologin&#039;)\ninp_user.send_keys(&#039;18611453110&#039;)\ninp_pwd.send_keys(&#039;xxxx&#039;)\nbutton.click()\n\n#\u5982\u679c\u9047\u5230\u9a8c\u8bc1\u7801\uff0c\u53ef\u4ee5\u628a\u4e0b\u9762\u4e00\u5c0f\u6bb5\u6253\u5f00\u6ce8\u91ca\n# import time\n# time.sleep(10)\n# button = browser.find_element_by_id(&#039;dologin&#039;)\n# button.click()\n\n    wait.until(EC.presence_of_element_located((By.ID,&#039;dvNavTop&#039;)))\n    write_msg=browser.find_elements_by_css_selector(&#039;#dvNavTop li&#039;)[1] #\u83b7\u53d6\u7b2c\u4e8c\u4e2ali\u6807\u7b7e\u5c31\u662f\u201c\u5199\u4fe1\u201d\u4e86\n    write_msg.click()\n\nwait.until(EC.presence_of_element_located((By.CLASS_NAME,&#039;tH0&#039;)))\nrecv_man=browser.find_element_by_class_name(&#039;nui-editableAddr-ipt&#039;)\ntitle=browser.find_element_by_css_selector(&#039;.dG0 .nui-ipt-input&#039;)\nrecv_man.send_keys(&#039;378533872@qq.com&#039;)\ntitle.send_keys(&#039;\u5723\u65e8&#039;)\nprint(title.tag_name)\n\nframe=wait.until(EC.presence_of_element_located((By.CLASS_NAME,&#039;APP-editor-iframe&#039;)))\nbrowser.switch_to.frame(frame)\nbody=browser.find_element(By.CSS_SELECTOR,&#039;body&#039;)\nbody.send_keys(&#039;egon\u5f88\u5e05\uff0c\u53ef\u4ee5\u52a0\u5de5\u8d44\u4e86&#039;)\n\nbrowser.switch_to.parent_frame() #\u5207\u56de\u4ed6\u7239\nsend_button=browser.find_element_by_class_name(&#039;nui-toolbar-item&#039;)\nsend_button.click()\n\n#\u53ef\u4ee5\u7761\u65f6\u95f4\u4e45\u4e00\u70b9\u522b\u8ba9\u6d4f\u89c8\u5668\u5173\u6389\uff0c\u770b\u770b\u53d1\u9001\u6210\u529f\u6ca1\u6709\nimport time\ntime.sleep(10000)\n\nexcept Exception as e:\n    print(e)\nfinally:\n    browser.close()<\/code><\/pre>\n<p><strong>\u722c\u53d6\u4eac\u4e1c\u5546\u57ce\u5546\u54c1\u4fe1\u606f<\/strong><\/p>\n<pre><code>from selenium import webdriver\nfrom selenium.webdriver import ActionChains\nfrom selenium.webdriver.common.by import By #\u6309\u7167\u4ec0\u4e48\u65b9\u5f0f\u67e5\u627e\uff0cBy.ID,By.CSS_SELECTOR\nfrom selenium.webdriver.common.keys import Keys #\u952e\u76d8\u6309\u952e\u64cd\u4f5c\nfrom selenium.webdriver.support import expected_conditions as EC\nfrom selenium.webdriver.support.wait import WebDriverWait #\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u67d0\u4e9b\u5143\u7d20\nimport time\n\ndef get_goods(driver):\n    try:\n        goods=driver.find_elements_by_class_name(&#039;gl-item&#039;)\n\n    for good in goods:\n        detail_url=good.find_element_by_tag_name(&#039;a&#039;).get_attribute(&#039;href&#039;)\n\n        p_name=good.find_element_by_css_selector(&#039;.p-name em&#039;).text.replace(&#039;\\n&#039;,&#039;&#039;)\n        price=good.find_element_by_css_selector(&#039;.p-price i&#039;).text\n        p_commit=good.find_element_by_css_selector(&#039;.p-commit a&#039;).text\n\n        msg = &#039;&#039;&#039;\n        \u5546\u54c1 : %s\n        \u94fe\u63a5 : %s\n        \u4ef7\u94b1 \uff1a%s\n        \u8bc4\u8bba \uff1a%s\n        &#039;&#039;&#039; % (p_name,detail_url,price,p_commit)\n\n        print(msg,end=&#039;\\n\\n&#039;)\n\n    button=driver.find_element_by_partial_link_text(&#039;\u4e0b\u4e00\u9875&#039;)\n    button.click()\n    time.sleep(1)\n    get_goods(driver)\nexcept Exception:\n    pass\n\ndef spider(url,keyword):\n    driver = webdriver.Chrome()\n    driver.get(url)\n    driver.implicitly_wait(3)  # \u4f7f\u7528\u9690\u5f0f\u7b49\u5f85\n    try:\n        input_tag=driver.find_element_by_id(&#039;key&#039;)\n        input_tag.send_keys(keyword)\n        input_tag.send_keys(Keys.ENTER)\n        get_goods(driver)\n    finally:\n        driver.close()\n\nif __name__ == &#039;__main__&#039;:\n    spider(&#039;https:\/\/www.jd.com\/&#039;,keyword=&#039;iPhone8\u624b\u673a&#039;)<\/code><\/pre>\n<p><strong>\u4f5c\u4e1a\uff1a<\/strong><\/p>\n<pre><code>    \u722c\u53d6\u4e9a\u9a6c\u900aiphone\u624b\u673a\u7684\u5546\u54c1\u4fe1\u606f\n    \u722c\u53d6\u5929\u732bpython\u4e66\u7c4d\u7684\u5546\u54c1\u4fe1\u606f\n    \u722c\u53d6\u4eac\u4e1c\u5c0f\u7c73\u624b\u673a\u7684\u5546\u54c1\u4fe1\u606f<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00 \u4ecb\u7ecd selenium\u6700\u521d\u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u6d4b\u8bd5\u5de5\u5177,\u800c\u722c\u866b\u4e2d\u4f7f\u7528\u5b83\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3requests\u65e0\u6cd5\u76f4\u63a5\u6267\u884cJ [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[342,349],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4558"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4558"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4558\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}