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怎样解决动态网页内容抓取不完整的问题?

2025-08-27 2.1 K

动态内容抓取方案

针对客户端渲染的动态网页:

  • Technical Principles:GPT-Crawler内置无头浏览器(如Puppeteer),可完整执行JavaScript并获取最终渲染内容
  • concrete operation::
    1. 在config.ts中确保未禁用useHeadlessBrowserparameters
    2. 设置合理的waitForSelectorTimeout等待动态加载完成(默认30秒)
    3. 使用Chrome调试模式验证选择器准确性
  • Optimization Recommendations::
    • 对复杂SPA应用增加waitForNetworkIdleconfigure
    • pass (a bill or inspection etc)device参数模拟移动端渲染
    • increase--no-sandbox参数解决Docker环境权限问题
  • Validation Methods:检查output.json中是否包含应有内容,或使用debug:true参数输出日志

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