{"id":204054,"date":"2025-05-29T11:05:37","date_gmt":"2025-05-29T03:05:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204054\/"},"modified":"2025-05-29T11:05:37","modified_gmt":"2025-05-29T03:05:37","slug":"%e4%bd%bf%e7%94%a8-selenium-%e9%81%8d%e5%8e%86%e5%a4%9a%e4%b8%aa%e5%85%83%e7%b4%a0%e6%97%b6%e9%81%87%e5%88%b0%e6%97%a0%e6%b3%95%e8%a7%a3%e5%8c%85%e4%b8%8d%e5%8f%af%e8%bf%ad%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204054\/","title":{"rendered":"## \u4f7f\u7528 Selenium \u904d\u5386\u591a\u4e2a\u5143\u7d20\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u89e3\u5305\u4e0d\u53ef\u8fed\u4ee3\u7684 WebElement \u5bf9\u8c61\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>## \u4f7f\u7528 Selenium \u904d\u5386\u591a\u4e2a\u5143\u7d20\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u89e3\u5305\u4e0d\u53ef\u8fed\u4ee3\u7684 WebElement \u5bf9\u8c61\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a## \u4f7f\u7528 Selenium \u904d\u5386\u591a\u4e2a\u5143\u7d20\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u89e3\u5305\u4e0d\u53ef\u8fed\u4ee3\u7684 WebElement \u5bf9\u8c61\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729910006671c54f6a368d.jpg\" class=\"aligncenter\"><\/p>\n<p>\u5728\u4f7f\u7528 selenium \u5e93\u7684 find_elements_by_css_selector \u65b9\u6cd5\u83b7\u53d6\u591a\u4e2a\u5143\u7d20\u5e76\u8fdb\u884c\u904d\u5386\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>cannot unpack non-iterable webelement object<\/pre>\n<p><strong>\u539f\u56e0<\/strong><\/p>\n<p>\u6b64\u9519\u8bef\u901a\u5e38\u662f\u7531\u4e8e\u5c1d\u8bd5\u5bf9\u5355\u4e2a webelement \u5bf9\u8c61\u8fdb\u884c\u8fed\u4ee3\u9020\u6210\u7684\u3002find_elements_by_css_selector \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a webelement \u5217\u8868\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u9875\u9762\u4e0a\u7684 html \u5143\u7d20\u3002\u5982\u679c\u53ea\u6709\u5355\u4e2a\u5143\u7d20\u4e0e css \u9009\u62e9\u5668\u5339\u914d\uff0c\u8be5\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u957f\u5ea6\u4e3a 1 \u7684\u5217\u8868\uff0c\u5176\u4e2d\u53ea\u5305\u542b\u8be5\u5143\u7d20\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u60a8\u9700\u8981\u5bf9 webelement \u5217\u8868\u8fdb\u884c\u8fed\u4ee3\uff0c\u800c\u4e0d\u662f\u5bf9\u5355\u4e2a\u5143\u7d20\u8fdb\u884c\u8fed\u4ee3\u3002\u60a8\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528 for \u5faa\u73af\uff1a<\/p>\n<pre>for i, v in enumerate(slider_images):\n    # \u5bf9 `v` \u4e2d\u7684\u6bcf\u4e2a WebElement \u8fdb\u884c\u64cd\u4f5c<\/pre>\n<p>\u6b64\u4ee3\u7801\u4f1a\u6b63\u786e\u5730\u904d\u5386 slider_images \u5217\u8868\u4e2d\u7684\u6240\u6709 webelement\u3002\u60a8\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u5bf9\u8fd9\u4e9b\u5143\u7d20\u6267\u884c\u6240\u9700\u7684\u4efb\u4f55\u64cd\u4f5c\uff0c\u4f8b\u5982\u63d0\u53d6\u6587\u672c\u6216\u5c5e\u6027\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>## \u4f7f\u7528 Selenium \u904d&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204054","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204054"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204054\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}