{"id":164772,"date":"2024-05-08T15:01:49","date_gmt":"2024-05-08T07:01:49","guid":{"rendered":""},"modified":"2024-05-08T15:01:54","modified_gmt":"2024-05-08T07:01:54","slug":"pyv8%e6%98%af%e5%90%a6%e6%94%af%e6%8c%81javascript%e7%9a%84%e7%9a%84dom%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/164772.html","title":{"rendered":"PyV8\u662f\u5426\u652f\u6301Javascript\u7684\u7684DOM\u8bed\u6cd5"},"content":{"rendered":"

\"PyV8\u662f\u5426\u652f\u6301Javascript\u7684\u7684DOM\u8bed\u6cd5\"<\/p>\n

PyV8\u662f\u4e00\u4e2a\u5c06V8\u5f15\u64ce\u5d4c\u5165Python\u4e2d\u7684\u5c01\u88c5\uff0c\u4f7f\u5f97Python\u7a0b\u5e8f\u80fd\u591f\u6267\u884cJavaScript\u4ee3\u7801\u3002\u6838\u5fc3\u89c2\u70b9\uff1aPyV8\u81ea\u8eab\u4e0d\u76f4\u63a5\u652f\u6301Javascript\u7684DOM\u8bed\u6cd5\u3001\u9700\u8981\u4f9d\u8d56\u989d\u5916\u7684\u6a21\u62df\u73af\u5883\u6216\u63a5\u6865\u6280\u672f\u624d\u80fd\u5b9e\u73b0DOM\u64cd\u4f5c\u3002<\/strong> \u5176\u4e2d\uff0c\u9700\u8981\u4f9d\u8d56\u989d\u5916\u7684\u6a21\u62df\u73af\u5883\u6216\u63a5\u6865\u6280\u672f\u624d\u80fd\u5b9e\u73b0DOM\u64cd\u4f5c\u90e8\u5206\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002\u8fd9\u662f\u56e0\u4e3aDOM\u64cd\u4f5c\u4e3b\u8981\u662f\u5728\u6d4f\u89c8\u5668\u73af\u5883\u4e0b\u4e0e\u7f51\u9875\u5143\u7d20\u8fdb\u884c\u4e92\u52a8\u7684\u65b9\u5f0f\uff0c\u800cPyV8\u4ec5\u4ec5\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7eaf\u7cb9\u7684JavaScript\u6267\u884c\u73af\u5883\uff0c\u6ca1\u6709\u5185\u7f6e\u7684\u6d4f\u89c8\u5668DOM\u6a21\u578b\u3002\u56e0\u6b64\uff0c\u5982\u679c\u9700\u8981\u5728PyV8\u4e2d\u5904\u7406DOM\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u5de5\u5177\u6216\u5e93\uff0c\u6bd4\u5982Node.js\u73af\u5883\u4e0b\u7684jsdom\u7b49\uff0c\u6765\u6a21\u62df\u4e00\u4e2a\u53ef\u64cd\u4f5c\u7684DOM\u73af\u5883\u3002<\/p>\n<\/p>\n

\u4e00\u3001 PYV8\u4e0eJAVASCRIPT DOM\u64cd\u4f5c<\/h3>\n<\/p>\n

JavaScript\u7684DOM\u64cd\u4f5c\u662f\u4e00\u79cd\u5728\u6d4f\u89c8\u5668\u73af\u5883\u4e0b\u5bf9HTML\u6587\u6863\u7ed3\u6784\u8fdb\u884c\u8bfb\u53d6\u3001\u4fee\u6539\u7684\u65b9\u6cd5\u3002\u8fd0\u7528\u8fd9\u7c7b\u64cd\u4f5c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u52a8\u6001\u5730\u66f4\u6539\u6587\u6863\u5185\u5bb9\u3001\u7ed3\u6784\u4ee5\u53ca\u5916\u89c2\u3002\u7136\u800c\uff0c\u7531\u4e8ePyV8\u7f3a\u5c11\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684DOM\u6811\u7ed3\u6784\u548c\u76f8\u5173API\uff0c\u76f4\u63a5\u5728PyV8\u4e2d\u4f7f\u7528\u5982document.getElementById<\/code>\u6216\u662fwindow.alert()<\/code>\u8fd9\u6837\u7684\u6807\u51c6DOM\u547d\u4ee4\u662f\u4e0d\u53ef\u884c\u7684\u3002\u8fd9\u4e2a\u9650\u5236\u662f\u7531\u4e8ePyV8\u8bbe\u8ba1\u4e4b\u521d\u7684\u76ee\u6807\u662f\u4e3a\u4e86\u63d0\u4f9b\u4e00\u4e2a\u5feb\u901f\u800c\u8f7b\u91cf\u7ea7\u7684JavaScript\u6267\u884c\u73af\u5883\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6d4f\u89c8\u5668\u6a21\u62df\u3002<\/p>\n<\/p>\n

\u4e3a\u4e86\u5728PyV8\u73af\u5883\u4e2d\u5b9e\u73b0DOM\u64cd\u4f5c\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u8bf8\u5982jsdom\u4e4b\u7c7b\u7684\u5e93\u3002<\/strong> jsdom\u662f\u4e00\u79cd\u5728Node.js\u73af\u5883\u4e2d\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u6a21\u62df\u4e00\u4e2a\u5b8c\u6574\u7684DOM\u6811\u7ed3\u6784\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e0e\u6d4f\u89c8\u5668\u4e2d\u76f8\u540c\u7684API\u63a5\u53e3\u3002\u901a\u8fc7\u5728PyV8\u4e2d\u5d4c\u5165jsdom\u6216\u7c7b\u4f3c\u7684\u5e93\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u95f4\u63a5\u5730\u5b9e\u73b0DOM\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001 \u7ed3\u5408PYV8\u5b9e\u73b0DOM\u64cd\u4f5c\u7684\u6280\u672f\u65b9\u6848<\/h3>\n<\/p>\n

\u867d\u7136PyV8\u672c\u8eab\u4e0d\u76f4\u63a5\u652f\u6301DOM\u64cd\u4f5c\uff0c\u4f46\u901a\u8fc7\u4e00\u4e9b\u6280\u672f\u65b9\u6848\u8fd8\u662f\u53ef\u4ee5\u7ed5\u8fc7\u8fd9\u4e00\u9650\u5236\uff0c\u5b9e\u73b0\u5bf9DOM\u7684\u64cd\u4f5c\u3002\u5176\u4e2d\u4e00\u4e2a\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u5c06PyV8\u548cNode.js\u7ed3\u5408\u4f7f\u7528\uff0c\u901a\u8fc7Node.js\u63d0\u4f9b\u7684jsdom\u5e93\u6765\u6a21\u62dfDOM\u73af\u5883\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    \u96c6\u6210jsdom\u5e93\uff1a<\/strong> \u901a\u8fc7\u5728Node.js\u73af\u5883\u4e2d\u5b89\u88c5jsdom\u5e93\uff0c\u53ef\u4ee5\u5728\u540e\u7aefJavaScript\u4ee3\u7801\u4e2d\u6a21\u62df\u51fa\u4e00\u4e2a\u8fd1\u4f3c\u6d4f\u89c8\u5668\u7684\u73af\u5883\u3002\u8fd9\u4f7f\u5f97\u539f\u672c\u4ec5\u9650\u4e8e\u5ba2\u6237\u7aef\u7684DOM\u64cd\u4f5c\u4ee3\u7801\u80fd\u591f\u5728\u670d\u52a1\u5668\u7aef\u6267\u884c\u3002\u4ece\u800c\uff0c\u4f7f\u7528PyV8\u6267\u884c\u8fd9\u4e9b\u901a\u8fc7jsdom\u5904\u7406\u8fc7\u7684\u811a\u672c\uff0c\u53ef\u4ee5\u5b9e\u73b0DOM\u7684\u8bfb\u53d6\u548c\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n

  2. \n

    \u5229\u7528\u6865\u63a5\u6280\u672f\uff1a<\/strong> \u53e6\u4e00\u79cd\u65b9\u6848\u662f\u5229\u7528\u67d0\u79cd\u6865\u63a5\u6280\u672f\uff0c\u5c06Python\u7684PyV8\u73af\u5883\u4e0e\u5b9e\u73b0\u4e86DOM\u64cd\u4f5c\u7684JavaScript\u73af\u5883\u8fde\u63a5\u8d77\u6765\u3002\u8fd9\u79cd\u6280\u672f\u901a\u5e38\u6d89\u53ca\u5230\u5728Python\u548cJavaScript\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u548c\u547d\u4ee4\u7684\u4f20\u9012\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7websocket\u5b9e\u73b0Python\u811a\u672c\u548c\u4e00\u4e2a\u8fd0\u884c\u5728\u6d4f\u89c8\u5668\u73af\u5883\u4e2d\u7684JavaScript\u811a\u672c\u7684\u5b9e\u65f6\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

    \u4e09\u3001 PYV8\u4e0e\u5176\u4ed6\u6280\u672f\u7684\u6bd4\u8f83<\/h3>\n<\/p>\n

    \u5c3d\u7ba1PyV8\u4e3aPython\u63d0\u4f9b\u4e86\u6267\u884cJavaScript\u4ee3\u7801\u7684\u80fd\u529b\uff0c\u4f46\u5728\u9700\u8981\u8fdb\u884cDOM\u64cd\u4f5c\u65f6\uff0c\u5176\u5c40\u9650\u6027\u4e5f\u53d8\u5f97\u660e\u663e\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5176\u4ed6\u6280\u672f\u5982Selenium\u6216Puppeteer\u63d0\u4f9b\u4e86\u66f4\u4e3a\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8ba9\u5f00\u53d1\u8005\u80fd\u591f\u5728\u5b8c\u5168\u6a21\u62df\u7684\u6d4f\u89c8\u5668\u73af\u5883\u4e2d\u6267\u884cJavaScript\u4ee3\u7801\uff0c\u5e76\u8fdb\u884c\u590d\u6742\u7684DOM\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

      \n
    1. \n

      Selenium\uff1a<\/strong> Selenium\u662f\u4e00\u4e2a\u7528\u4e8e\u81ea\u52a8\u5316Web\u6d4f\u89c8\u5668\u64cd\u4f5c\u7684\u5de5\u5177\uff0c\u5b83\u901a\u8fc7\u9a71\u52a8\u6d4f\u89c8\u5668\u6267\u884c\u771f\u5b9e\u7684\u6d4f\u89c8\u5668\u64cd\u4f5c\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8eDOM\u64cd\u4f5c\u3001\u9875\u9762\u8df3\u8f6c\u7b49\u3002Selenium\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5305\u62ecPython\uff0c\u4f7f\u5176\u6210\u4e3a\u8fdb\u884cWeb\u6d4b\u8bd5\u548c\u722c\u866b\u5f00\u53d1\u7684\u70ed\u95e8\u9009\u62e9\u3002<\/p>\n<\/p>\n<\/li>\n

    2. \n

      Puppeteer\uff1a<\/strong> Puppeteer\u662f\u4e00\u4e2aNode\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u9ad8\u7ea7API\u6765\u63a7\u5236Chrome\u6216Chromium\u3002Puppeteer\u9ed8\u8ba4\u65e0\u5934\u6a21\u5f0f\u8fd0\u884c\uff0c\u9002\u5408\u81ea\u52a8\u5316\u6d4b\u8bd5\u3001\u622a\u5c4f\u548c\u9875\u9762\u81ea\u52a8\u751f\u6210PDF\u7b49\u573a\u666f\u3002\u4e0ePyV8\u76f8\u6bd4\uff0cPuppeteer\u63d0\u4f9b\u4e86\u66f4\u4e3a\u5f3a\u5927\u7684\u6d4f\u89c8\u5668\u63a7\u5236\u80fd\u529b\u548cDOM\u64cd\u4f5c\u80fd\u529b\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

      \u56db\u3001 \u7ed3\u8bba\u53ca\u5efa\u8bae<\/h3>\n<\/p>\n

      \u867d\u7136PyV8\u81ea\u8eab\u4e0d\u76f4\u63a5\u652f\u6301JavaScript\u7684DOM\u64cd\u4f5c<\/strong>\uff0c\u4f46\u901a\u8fc7\u7ed3\u5408\u989d\u5916\u7684\u6a21\u62df\u73af\u5883\u6216\u6865\u63a5\u6280\u672f\uff0c\u4ecd\u7136\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u5bf9\u4e8e\u9700\u8981\u5728Python\u73af\u5883\u4e0b\u8fd0\u884cJavaScript\u4ee3\u7801\u5e76\u8fdb\u884cDOM\u64cd\u4f5c\u7684\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u4e86\u89e3\u548c\u638c\u63e1\u8fd9\u4e9b\u8f85\u52a9\u6280\u672f\u548c\u5de5\u5177\u975e\u5e38\u91cd\u8981\u3002\u540c\u65f6\uff0c\u6839\u636e\u5177\u4f53\u7684\u9879\u76ee\u9700\u6c42\uff0c\u9009\u62e9\u9002\u5408\u7684\u6280\u672f\u65b9\u6848\u548c\u5de5\u5177\u4e5f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9879\u76ee\u91cd\u5728\u540e\u7aef\u5904\u7406\u5e76\u4e14\u5bf9\u6267\u884c\u6548\u7387\u6709\u8f83\u9ad8\u8981\u6c42\uff0c\u7ed3\u5408Node.js\u4f7f\u7528PyV8\u548cjsdom\u53ef\u80fd\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff1b\u800c\u5bf9\u4e8e\u9700\u8981\u9891\u7e41\u8fdb\u884c\u6d4f\u89c8\u5668\u64cd\u4f5c\u6216\u81ea\u52a8\u5316\u6d4b\u8bd5\u7684\u5e94\u7528\uff0c\u4f7f\u7528Selenium\u6216Puppeteer\u53ef\u80fd\u66f4\u4e3a\u5408\u9002\u3002\u603b\u4e4b\uff0c\u9009\u62e9\u6b63\u786e\u7684\u5de5\u5177\u548c\u6280\u672f\u65b9\u6848\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9879\u76ee\u66f4\u9ad8\u6548\u5730\u5b9e\u73b0\u76ee\u6807\u3002<\/p>\n<\/p>\n

      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

      PyV8\u662f\u5426\u652f\u6301\u57fa\u4e8eJavascript\u7684DOM\u64cd\u4f5c\uff1f<\/strong><\/p>\n

      \u662f\u7684\uff0cPyV8\u652f\u6301\u57fa\u4e8eJavascript\u7684DOM\u64cd\u4f5c\u3002\u901a\u8fc7PyV8\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u7eafJavascript\u4ee3\u7801\u6765\u521b\u5efa\u3001\u64cd\u4f5c\u548c\u4fee\u6539DOM\u5143\u7d20\uff0c\u4f8b\u5982\u6dfb\u52a0\u3001\u5220\u9664\u3001\u4fee\u6539\u6807\u7b7e\u5c5e\u6027\uff0c\u6539\u53d8\u6837\u5f0f\u7b49\u7b49\u3002\u8fd9\u4f7f\u5f97PyV8\u5728\u5904\u7406\u524d\u7aef\u5f00\u53d1\u548c\u81ea\u52a8\u5316\u6d4b\u8bd5\u65b9\u9762\u975e\u5e38\u6709\u7528\u3002<\/p>\n

      \u5982\u4f55\u5728PyV8\u4e2d\u4f7f\u7528DOM\u64cd\u4f5c\uff1f<\/strong><\/p>\n

      \u8981\u5728PyV8\u4e2d\u4f7f\u7528DOM\u64cd\u4f5c\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165\u76f8\u5173\u7684\u6a21\u5757\u548c\u5e93\u3002\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528PyV8\u7684API\u6765\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u7684DOM\u73af\u5883\uff0c\u7c7b\u4f3c\u4e8e\u6d4f\u89c8\u5668\u4e2d\u7684document\u5bf9\u8c61\u3002\u901a\u8fc7\u8fd9\u4e2a\u865a\u62df\u7684DOM\u73af\u5883\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u57fa\u4e8eJavascript\u7684DOM\u64cd\u4f5c\uff0c\u4f8b\u5982\u521b\u5efa\u5143\u7d20\u3001\u4fee\u6539\u5c5e\u6027\u3001\u6dfb\u52a0\u4e8b\u4ef6\u7b49\u3002\u6700\u540e\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u8f93\u51fa\u7ed3\u679c\u6216\u5c06\u7ed3\u679c\u63d2\u5165\u5230\u771f\u5b9e\u7684HTML\u6587\u6863\u4e2d\u6765\u9a8c\u8bc1\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u3002<\/p>\n

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