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2\u3001\u6570\u636e\u6e05\u6d17\u4e0e\u5904\u7406&#xff1a;\u7cfb\u7edf\u5229\u7528Pandas\u3001NumPy\u53ca\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406\u539f\u59cb\u4ea4\u6613\u6570\u636e&#xff0c;\u5c06\u4ef7\u683c\u8f6c\u6362\u4e3a\u6570\u503c\u7c7b\u578b&#xff0c;\u89c4\u8303\u201c1000&#043;\u201d\u201c1\u4e07&#043;\u201d\u7b49\u9500\u91cf\u6587\u672c\u683c\u5f0f&#xff0c;\u6e05\u9664\u91cd\u590d\u548c\u65e0\u6548\u8bb0\u5f55&#xff0c;\u5e76\u63d0\u53d6\u53d1\u8d27\u7701\u4efd\u3001\u5546\u54c1\u5f62\u6001\u3001\u5e97\u94fa\u7c7b\u578b\u3001\u56de\u5934\u5ba2\u6570\u91cf\u53ca\u4fc3\u9500\u72b6\u6001\u7b49\u7279\u5f81&#xff0c;\u4e3a\u540e\u7eed\u5206\u6790\u548c\u9884\u6d4b\u63d0\u4f9b\u53ef\u9760\u6570\u636e\u3002 3\u3001\u6570\u636e\u53ef\u89c6\u5316&#xff1a;\u7cfb\u7edf\u524d\u7aef\u4f7f\u7528Vue.js\u3001Element UI\u548cECharts\u6784\u5efa\u6570\u636e\u53ef\u89c6\u5316\u9875\u9762&#xff0c;\u5305\u542b\u5168\u56fd\u6d77\u9c9c\u6d88\u8d39\u70ed\u529b\u56fe\u3001\u4ef7\u683c\u533a\u95f4\u9500\u91cf\u56fe\u3001\u7701\u4efd\u4ef7\u683c\u5bf9\u6bd4\u56fe\u3001\u5546\u54c1\u5f62\u6001\u504f\u597d\u56fe\u3001\u4fc3\u9500\u4e0e\u9500\u91cf\u5173\u7cfb\u56fe\u53ca\u5546\u5bb6\u7ecf\u8425\u5206\u6790\u56fe\u7b49\u3002\u540c\u65f6\u901a\u8fc7\u7efc\u5408\u6570\u636e\u5927\u5c4f\u96c6\u4e2d\u5c55\u793a\u6d77\u9c9c\u5e02\u573a\u7684\u6838\u5fc3\u6307\u6807\u548c\u5206\u6790\u7ed3\u679c\u3002 4\u3001\u6a21\u578b\u6784\u5efa&#xff1a;\u7cfb\u7edf\u91c7\u7528\u7ebf\u6027\u56de\u5f52\u7b97\u6cd5\u6784\u5efa\u6d77\u9c9c\u5546\u54c1\u9500\u91cf\u9884\u6d4b\u6a21\u578b&#xff0c;\u5c06\u5546\u54c1\u4ef7\u683c\u3001\u5e97\u94fa\u7c7b\u578b\u3001\u5546\u54c1\u5f62\u6001\u3001\u53d1\u8d27\u5730\u533a\u3001\u4fc3\u9500\u72b6\u6001\u53ca\u56de\u5934\u5ba2\u6570\u91cf\u7b49\u4f5c\u4e3a\u8f93\u5165\u7279\u5f81&#xff0c;\u5e76\u4ee5\u5546\u54c1\u5c55\u793a\u9500\u91cf\u4f5c\u4e3a\u9884\u6d4b\u76ee\u6807\u3002\u6a21\u578b\u901a\u8fc7\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u5212\u5206\u5b8c\u6210\u8bad\u7ec3\u4e0e\u9a8c\u8bc1&#xff0c;\u8f93\u51fa\u9500\u91cf\u9884\u6d4b\u7ed3\u679c\u53ca\u8bef\u5dee\u8bc4\u4ef7\u6307\u6807\u3002 5\u3001Web\u7cfb\u7edf\u5f00\u53d1&#xff1a;\u7cfb\u7edf\u540e\u7aef\u57fa\u4e8eDjango\u6846\u67b6\u548cMySQL\u6570\u636e\u5e93\u5f00\u53d1&#xff0c;\u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u3001\u767b\u5f55\u3001\u6743\u9650\u63a7\u5236\u3001\u5546\u54c1\u6570\u636e\u5206\u9875\u67e5\u8be2\u53ca\u53ef\u89c6\u5316\u5206\u6790\u63a5\u53e3\u3002\u524d\u7aef\u91c7\u7528Vue.js\u548cElement UI\u5b8c\u6210\u9875\u9762\u4ea4\u4e92&#xff0c;\u901a\u8fc7Axios\u8bf7\u6c42\u540e\u7aef\u63a5\u53e3\u83b7\u53d6\u6570\u636e&#xff0c;\u5e76\u8c03\u7528ECharts\u52a8\u6001\u6e32\u67d3\u7edf\u8ba1\u56fe\u8868\u3001\u9884\u6d4b\u7ed3\u679c\u548c\u7efc\u5408\u6570\u636e\u5927\u5c4f\u3002<\/p>\n<h2>3\u3001\u6dd8\u5b9d\u6d77\u9c9c\u6c34\u4ea7\u54c1\u5546\u54c1\u4ea4\u6613\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790 -\u5f00\u53d1\u6280\u672f\u4e0e\u73af\u5883<\/h2>\n<ul>\n<li>\u5f00\u53d1\u8bed\u8a00&#xff1a;Python<\/li>\n<li>\u5927\u6570\u636e&#xff1a;Hadoop&#043;Spark&#043;Hive<\/li>\n<li>\u6570\u636e\u5904\u7406&#xff1a;pandas<\/li>\n<li>\u540e\u7aef\u6846\u67b6&#xff1a;Django<\/li>\n<li>\u524d\u7aef&#xff1a;Vue<\/li>\n<li>\u6570\u636e\u5e93&#xff1a;MySQL<\/li>\n<li>\u673a\u5668\u5b66\u4e60\u7b97\u6cd5&#xff1a;\u56de\u5f52\u9884\u6d4b\u6a21\u578b\u3001\u534f\u540c\u8fc7\u6ee4\u63a8\u8350\u7b97\u6cd5<\/li>\n<li>\u5f00\u53d1\u5de5\u5177&#xff1a;Pycharm<\/li>\n<\/ul>\n<h2>4\u3001\u6dd8\u5b9d\u6d77\u9c9c\u6c34\u4ea7\u54c1\u5546\u54c1\u4ea4\u6613\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790 -\u529f\u80fd\u4ecb\u7ecd<\/h2>\n<p>&#xff08;\u521b\u65b0\u70b9\u4eae\u70b9&#xff1a;\u722c\u866b\u6dd8\u5b9d\u3010\u6570\u636e\u96c61w\u6761\u4ee5\u4e0a\u3011\u3001\u56de\u5f52\u9884\u6d4b\u6a21\u578b\u3001\u534f\u540c\u8fc7\u6ee4\u63a8\u8350\u7b97\u6cd5&#xff09;<\/p>\n<p>1\u3001\u6570\u636e\u7ba1\u7406&#xff1a;\u6c34\u4ea7\u54c1\u6570\u636e\u7ba1\u7406\u3002 2\u3001\u6a21\u578b\u7b97\u6cd5&#xff1a;\u9884\u6d4b\u9500\u91cf\u3001\u5546\u54c1\u63a8\u8350\u3002 3\u3001\u53ef\u89c6\u5316\u5206\u6790&#xff1a;\u9c9c\u4ea4\u6613\u6570\u636e\u7684\u516d\u5927\u7ef4\u5ea6\u53ef\u89c6\u5316\u5c55\u793a&#xff1a;\u5730\u7406\u5206\u6790\u3001\u4ef7\u683c\u5206\u6790\u3001\u533a\u57df\u5206\u6790\u3001\u9500\u91cf\u5206\u6790\u3001\u5546\u54c1\u5206\u6790\u3001\u5546\u5bb6\u5206\u6790&#xff0c;\u4ee5\u53ca\u7efc\u5408\u6570\u636e\u53ef\u89c6\u5316\u5927\u5c4f\u3002 4\u3001\u7cfb\u7edf\u7ba1\u7406&#xff1a;\u767b\u5f55\u6ce8\u518c\u3001\u4e2a\u4eba\u4fe1\u606f\u4fee\u6539\u3001\u7528\u6237\u7ba1\u7406\u3001\u6c34\u4ea7\u54c1\u4fe1\u606f\u7ba1\u7406\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184204-6a9327fc36ad5.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>5\u3001\u6dd8\u5b9d\u6d77\u9c9c\u6c34\u4ea7\u54c1\u5546\u54c1\u4ea4\u6613\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790 -\u8bba\u6587\u53c2\u8003<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184204-6a9327fcc29c8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>6\u3001\u6dd8\u5b9d\u6d77\u9c9c\u6c34\u4ea7\u54c1\u5546\u54c1\u4ea4\u6613\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790 -\u6210\u679c\u5c55\u793a<\/h2>\n<h3>6.1\u6f14\u793a\u89c6\u9891<\/h3>\n<p>\u6f14\u793a\u89c6\u9891\u8fde\u63a5<\/p>\n<h3>6.2\u6f14\u793a\u56fe\u7247<\/h3>\n<p>\u2600\ufe0f\u9996\u9875\u2600\ufe0f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184205-6a9327fdac723.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2600\ufe0f\u767b\u5f55\u2600\ufe0f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184207-6a9327ff21c73.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2600\ufe0f\u9500\u91cf\u9884\u6d4b\u2600\ufe0f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184208-6a93280098c7f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2600\ufe0f\u5927\u5c4f\u2600\ufe0f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184209-6a932801c598c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2600\ufe0f\u53ef\u89c6\u5316\u5206\u6790\u2600\ufe0f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184210-6a932802f1bfe.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184212-6a9328042f77a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184213-6a93280551319.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184214-6a93280673366.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2600\ufe0f\u6570\u636e\u7ba1\u7406\u2600\ufe0f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829184215-6a9328079506e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>7\u3001\u4ee3\u7801\u5c55\u793a<\/h2>\n<p>1.\u6d77\u9c9c\u5546\u54c1\u6570\u636e\u91c7\u96c6\u529f\u80fd\u3010\u4ee3\u7801\u5982\u4e0b&#xff08;\u793a\u4f8b&#xff09;&#xff1a;\u3011<\/p>\n<p><span class=\"token function\">import<\/span> csv<br \/>\n<span class=\"token function\">import<\/span> os<br \/>\n<span class=\"token function\">import<\/span> <span class=\"token function\">time<\/span><br \/>\n<span class=\"token function\">import<\/span> logging<br \/>\nfrom selenium <span class=\"token function\">import<\/span> webdriver<br \/>\nfrom selenium.webdriver.common.by <span class=\"token function\">import<\/span> By<br \/>\nfrom selenium.webdriver.chrome.options <span class=\"token function\">import<\/span> Options<br \/>\nfrom selenium.webdriver.support.ui <span class=\"token function\">import<\/span> WebDriverWait<br \/>\nfrom selenium.webdriver.support <span class=\"token function\">import<\/span> expected_conditions as EC<\/p>\n<p>logging.basicConfig<span class=\"token punctuation\">(<\/span>level<span class=\"token operator\">&#061;<\/span>logging.INFO, <span class=\"token assign-left variable\">format<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;%(asctime)s &#8211; %(message)s&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>KEYWORDS <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u6d77\u9c9c&#034;<\/span>, <span class=\"token string\">&#034;\u51b7\u51bb\u6d77\u9c9c&#034;<\/span>, <span class=\"token string\">&#034;\u5373\u98df\u6d77\u9c9c&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\nOUTPUT_FILE <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;data\/seafood_products.csv&#034;<\/span><\/p>\n<p>def create_driver<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>:<br \/>\n    options <span class=\"token operator\">&#061;<\/span> Options<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    options.add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;start-maximized&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    options.add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;disable-blink-features&#061;AutomationControlled&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    options.add_experimental_option<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;excludeSwitches&#034;<\/span>, <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;enable-automation&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token builtin class-name\">return<\/span> webdriver.Chrome<span class=\"token punctuation\">(<\/span>options<span class=\"token operator\">&#061;<\/span>options<span class=\"token punctuation\">)<\/span><\/p>\n<p>def get_crawled_count<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>:<br \/>\n    <span class=\"token keyword\">if<\/span> not os.path.exists<span class=\"token punctuation\">(<\/span>OUTPUT_FILE<span class=\"token punctuation\">)<\/span>:<br \/>\n        <span class=\"token builtin class-name\">return<\/span> <span class=\"token number\">0<\/span><br \/>\n    with open<span class=\"token punctuation\">(<\/span>OUTPUT_FILE, <span class=\"token string\">&#034;r&#034;<\/span>, <span class=\"token assign-left variable\">encoding<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;utf-8-sig&#034;<\/span><span class=\"token punctuation\">)<\/span> as file:<br \/>\n        <span class=\"token builtin class-name\">return<\/span> max<span class=\"token punctuation\">(<\/span>sum<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">_<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token function\">file<\/span><span class=\"token punctuation\">)<\/span> &#8211; <span class=\"token number\">1<\/span>, <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>def save_product<span class=\"token punctuation\">(<\/span>product<span class=\"token punctuation\">)<\/span>:<br \/>\n    file_exists <span class=\"token operator\">&#061;<\/span> os.path.exists<span class=\"token punctuation\">(<\/span>OUTPUT_FILE<span class=\"token punctuation\">)<\/span><br \/>\n    columns <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token string\">&#034;title&#034;<\/span>, <span class=\"token string\">&#034;price&#034;<\/span>, <span class=\"token string\">&#034;sales&#034;<\/span>, <span class=\"token string\">&#034;shop_name&#034;<\/span>, <span class=\"token string\">&#034;shop_type&#034;<\/span>,<br \/>\n        <span class=\"token string\">&#034;service_tags&#034;<\/span>, <span class=\"token string\">&#034;shop_tags&#034;<\/span>, <span class=\"token string\">&#034;ship_from&#034;<\/span>, <span class=\"token string\">&#034;image_url&#034;<\/span>, <span class=\"token string\">&#034;keyword&#034;<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n    with open<span class=\"token punctuation\">(<\/span>OUTPUT_FILE, <span class=\"token string\">&#034;a&#034;<\/span>, <span class=\"token assign-left variable\">newline<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;&#034;<\/span>, <span class=\"token assign-left variable\">encoding<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;utf-8-sig&#034;<\/span><span class=\"token punctuation\">)<\/span> as file:<br \/>\n        writer <span class=\"token operator\">&#061;<\/span> csv.DictWriter<span class=\"token punctuation\">(<\/span>file, <span class=\"token assign-left variable\">fieldnames<\/span><span class=\"token operator\">&#061;<\/span>columns<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> not file_exists:<br \/>\n            writer.writeheader<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        writer.writerow<span class=\"token punctuation\">(<\/span>product<span class=\"token punctuation\">)<\/span><\/p>\n<p>driver <span class=\"token operator\">&#061;<\/span> create_driver<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">wait<\/span> <span class=\"token operator\">&#061;<\/span> WebDriverWait<span class=\"token punctuation\">(<\/span>driver, <span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><br \/>\nskip_count <span class=\"token operator\">&#061;<\/span> get_crawled_count<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nlogging.info<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5df2\u5b58\u5728\u6570\u636e%s\u6761&#xff0c;\u542f\u52a8\u65ad\u70b9\u7eed\u4f20\u91c7\u96c6\u3002&#034;<\/span>, skip_count<span class=\"token punctuation\">)<\/span><\/p>\n<p>try:<br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">keyword<\/span> <span class=\"token keyword\">in<\/span> KEYWORDS:<br \/>\n        driver.get<span class=\"token punctuation\">(<\/span>f<span class=\"token string\">&#034;https:\/\/s.taobao.com\/search?q&#061;{keyword}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        time.sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cards <span class=\"token operator\">&#061;<\/span> wait.until<span class=\"token punctuation\">(<\/span><br \/>\n            EC.presence_of_all_elements_located<span class=\"token variable\"><span class=\"token punctuation\">((<\/span>By.CSS_SELECTOR<span class=\"token punctuation\">,<\/span> &#034;.Card<span class=\"token operator\">&#8212;<\/span>doubleCardWrapper<span class=\"token operator\">&#8212;<\/span>KRfYB0p&#034;<span class=\"token punctuation\">))<\/span><\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> index, card <span class=\"token keyword\">in<\/span> enumerate<span class=\"token punctuation\">(<\/span>cards<span class=\"token punctuation\">)<\/span>:<br \/>\n            <span class=\"token keyword\">if<\/span> index <span class=\"token operator\">&lt;<\/span> skip_count:<br \/>\n                <span class=\"token builtin class-name\">continue<\/span><br \/>\n            try:<br \/>\n                product <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token string\">&#034;title&#034;<\/span><span class=\"token builtin class-name\">:<\/span> card.find_element<span class=\"token punctuation\">(<\/span>By.CSS_SELECTOR, <span class=\"token string\">&#034;.Title&#8211;title&#8211;jCOPvpf&#034;<\/span><span class=\"token punctuation\">)<\/span>.text,<br \/>\n                    <span class=\"token string\">&#034;price&#034;<\/span><span class=\"token builtin class-name\">:<\/span> card.find_element<span class=\"token punctuation\">(<\/span>By.CSS_SELECTOR, <span class=\"token string\">&#034;.Price&#8211;priceInt&#8211;ZlsSi_M&#034;<\/span><span class=\"token punctuation\">)<\/span>.text,<br \/>\n                    <span class=\"token string\">&#034;sales&#034;<\/span><span class=\"token builtin class-name\">:<\/span> card.find_element<span class=\"token punctuation\">(<\/span>By.CSS_SELECTOR, <span class=\"token string\">&#034;.Price&#8211;realSales&#8211;FhTZc7U&#034;<\/span><span class=\"token punctuation\">)<\/span>.text,<br \/>\n                    <span class=\"token string\">&#034;shop_name&#034;<\/span><span class=\"token builtin class-name\">:<\/span> card.find_element<span class=\"token punctuation\">(<\/span>By.CSS_SELECTOR, <span class=\"token string\">&#034;.ShopInfo&#8211;shopName&#8211;rg6mGmy&#034;<\/span><span class=\"token punctuation\">)<\/span>.text,<br \/>\n                    <span class=\"token string\">&#034;shop_type&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span>,<br \/>\n                    <span class=\"token string\">&#034;service_tags&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span>,<br \/>\n                    <span class=\"token string\">&#034;shop_tags&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span>,<br \/>\n                    <span class=\"token string\">&#034;ship_from&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span>,<br \/>\n                    <span class=\"token string\">&#034;image_url&#034;<\/span><span class=\"token builtin class-name\">:<\/span> card.find_element<span class=\"token punctuation\">(<\/span>By.TAG_NAME, <span class=\"token string\">&#034;img&#034;<\/span><span class=\"token punctuation\">)<\/span>.get_attribute<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;src&#034;<\/span><span class=\"token punctuation\">)<\/span>,<br \/>\n                    <span class=\"token string\">&#034;keyword&#034;<\/span><span class=\"token builtin class-name\">:<\/span> keyword<br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                save_product<span class=\"token punctuation\">(<\/span>product<span class=\"token punctuation\">)<\/span><br \/>\n                logging.info<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u91c7\u96c6\u6210\u529f&#xff1a;%s&#034;<\/span>, product<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            except Exception as error:<br \/>\n                logging.warning<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7b2c%s\u4e2a\u5546\u54c1\u89e3\u6790\u5931\u8d25&#xff1a;%s&#034;<\/span>, index &#043; <span class=\"token number\">1<\/span>, error<span class=\"token punctuation\">)<\/span><br \/>\nfinally:<br \/>\n    driver.quit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>2.\u6d77\u9c9c\u5546\u54c1\u9500\u91cf\u9884\u6d4b\u529f\u80fd\u3010\u4ee3\u7801\u5982\u4e0b&#xff08; \u793a\u4f8b&#xff09;&#xff1a;\u3011<\/p>\n<p><span class=\"token function\">import<\/span> pandas as pd<br \/>\n<span class=\"token function\">import<\/span> numpy as np<br \/>\nfrom sklearn.model_selection <span class=\"token function\">import<\/span> train_test_split<br \/>\nfrom sklearn.preprocessing <span class=\"token function\">import<\/span> OneHotEncoder<br \/>\nfrom sklearn.compose <span class=\"token function\">import<\/span> ColumnTransformer<br \/>\nfrom sklearn.pipeline <span class=\"token function\">import<\/span> Pipeline<br \/>\nfrom sklearn.linear_model <span class=\"token function\">import<\/span> LinearRegression<br \/>\nfrom sklearn.metrics <span class=\"token function\">import<\/span> mean_absolute_error, mean_squared_error, r2_score<br \/>\n<span class=\"token function\">import<\/span> joblib<\/p>\n<p>DATA_FILE <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;data\/seafood_processed.csv&#034;<\/span><br \/>\nMODEL_FILE <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;model\/seafood_sales_linear_model.pkl&#034;<\/span><\/p>\n<p><span class=\"token function\">df<\/span> <span class=\"token operator\">&#061;<\/span> pd.read_csv<span class=\"token punctuation\">(<\/span>DATA_FILE, <span class=\"token assign-left variable\">encoding<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;utf-8&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;price&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> pd.to_numeric<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;price&#034;<\/span><span class=\"token punctuation\">]<\/span>, <span class=\"token assign-left variable\">errors<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;coerce&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;sales&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> pd.to_numeric<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;sales&#034;<\/span><span class=\"token punctuation\">]<\/span>, <span class=\"token assign-left variable\">errors<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;coerce&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;repeat_customer_count&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> pd.to_numeric<span class=\"token punctuation\">(<\/span><br \/>\n    df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;repeat_customer_count&#034;<\/span><span class=\"token punctuation\">]<\/span>, <span class=\"token assign-left variable\">errors<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;coerce&#034;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span>.fillna<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;is_promotion&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;is_promotion&#034;<\/span><span class=\"token punctuation\">]<\/span>.fillna<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>.astype<span class=\"token punctuation\">(<\/span>int<span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;shop_type&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;shop_type&#034;<\/span><span class=\"token punctuation\">]<\/span>.fillna<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5176\u4ed6\u5e97\u94fa&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;product_form&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;product_form&#034;<\/span><span class=\"token punctuation\">]<\/span>.fillna<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5176\u4ed6\u5f62\u6001&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;province&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;province&#034;<\/span><span class=\"token punctuation\">]<\/span>.fillna<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u672a\u77e5\u5730\u533a&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token function\">df<\/span> <span class=\"token operator\">&#061;<\/span> df.dropna<span class=\"token punctuation\">(<\/span>subset<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;price&#034;<\/span>, <span class=\"token string\">&#034;sales&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">df<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;price&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;sales&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>feature_columns <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#034;price&#034;<\/span>, <span class=\"token string\">&#034;repeat_customer_count&#034;<\/span>, <span class=\"token string\">&#034;is_promotion&#034;<\/span>,<br \/>\n    <span class=\"token string\">&#034;shop_type&#034;<\/span>, <span class=\"token string\">&#034;product_form&#034;<\/span>, <span class=\"token string\">&#034;province&#034;<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><\/p>\n<p>target_column <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;sales&#034;<\/span><br \/>\nX <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span>feature_columns<span class=\"token punctuation\">]<\/span><br \/>\ny <span class=\"token operator\">&#061;<\/span> np.log1p<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span>target_column<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>numeric_features <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;price&#034;<\/span>, <span class=\"token string\">&#034;repeat_customer_count&#034;<\/span>, <span class=\"token string\">&#034;is_promotion&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\ncategory_features <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;shop_type&#034;<\/span>, <span class=\"token string\">&#034;product_form&#034;<\/span>, <span class=\"token string\">&#034;province&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>preprocessor <span class=\"token operator\">&#061;<\/span> ColumnTransformer<span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token assign-left variable\">transformers<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;numeric&#034;<\/span>, <span class=\"token string\">&#034;passthrough&#034;<\/span>, numeric_features<span class=\"token punctuation\">)<\/span>,<br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;category&#034;<\/span>, OneHotEncoder<span class=\"token punctuation\">(<\/span>handle_unknown<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;ignore&#034;<\/span><span class=\"token punctuation\">)<\/span>, category_features<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>model_pipeline <span class=\"token operator\">&#061;<\/span> Pipeline<span class=\"token punctuation\">(<\/span>steps<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;preprocessor&#034;<\/span>, preprocessor<span class=\"token punctuation\">)<\/span>,<br \/>\n    <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;regressor&#034;<\/span>, LinearRegression<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">))<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>X_train, X_test, y_train, y_test <span class=\"token operator\">&#061;<\/span> train_test_split<span class=\"token punctuation\">(<\/span><br \/>\n    X, y, <span class=\"token assign-left variable\">test_size<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.2<\/span>, <span class=\"token assign-left variable\">random_state<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>model_pipeline.fit<span class=\"token punctuation\">(<\/span>X_train, y_train<span class=\"token punctuation\">)<\/span><br \/>\nprediction_log <span class=\"token operator\">&#061;<\/span> model_pipeline.predict<span class=\"token punctuation\">(<\/span>X_test<span class=\"token punctuation\">)<\/span><br \/>\nprediction_sales <span class=\"token operator\">&#061;<\/span> np.expm1<span class=\"token punctuation\">(<\/span>prediction_log<span class=\"token punctuation\">)<\/span><br \/>\nactual_sales <span class=\"token operator\">&#061;<\/span> np.expm1<span class=\"token punctuation\">(<\/span>y_test<span class=\"token punctuation\">)<\/span><\/p>\n<p>mae <span class=\"token operator\">&#061;<\/span> mean_absolute_error<span class=\"token punctuation\">(<\/span>actual_sales, prediction_sales<span class=\"token punctuation\">)<\/span><br \/>\nrmse <span class=\"token operator\">&#061;<\/span> np.sqrt<span class=\"token punctuation\">(<\/span>mean_squared_error<span class=\"token punctuation\">(<\/span>actual_sales, prediction_sales<span class=\"token punctuation\">))<\/span><br \/>\nr2 <span class=\"token operator\">&#061;<\/span> r2_score<span class=\"token punctuation\">(<\/span>actual_sales, prediction_sales<span class=\"token punctuation\">)<\/span><\/p>\n<p>print<span class=\"token punctuation\">(<\/span>f<span class=\"token string\">&#034;\u5e73\u5747\u7edd\u5bf9\u8bef\u5dee MAE&#xff1a;{mae:.2f}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nprint<span class=\"token punctuation\">(<\/span>f<span class=\"token string\">&#034;\u5747\u65b9\u6839\u8bef\u5dee RMSE&#xff1a;{rmse:.2f}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nprint<span class=\"token punctuation\">(<\/span>f<span class=\"token string\">&#034;\u51b3\u5b9a\u7cfb\u6570 R\u00b2&#xff1a;{r2:.4f}&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>joblib.dump<span class=\"token punctuation\">(<\/span>model_pipeline, MODEL_FILE<span class=\"token punctuation\">)<\/span><\/p>\n<p>sample <span class=\"token operator\">&#061;<\/span> X_test.iloc<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nsample_prediction <span class=\"token operator\">&#061;<\/span> np.expm1<span class=\"token punctuation\">(<\/span>model_pipeline.predict<span class=\"token punctuation\">(<\/span>sample<span class=\"token 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