高级抓取工具服务-APILayer

高级抓取工具服务-APILayer

专用API
服务商 服务商: APILayer
【更新时间: 2024.06.13】 APILayer高级抓取工具可以模拟一个真实的浏览器(使用无头 Chromium 客户端),这样它就可以抓取用 Angular、React 和 Vue 构建的网页。
免费 (每月 100 次请求) 去服务商官网采购>
浏览次数
91
采购人数
4
试用次数
0
! SLA: N/A
! 响应: N/A
! 适用于个人&企业
收藏
×
完成
取消
×
书签名称
确定
<
产品介绍
>

什么是APILayer的高级抓取工具服务?

"APILayer高级抓取工具"是一个先进的网络抓取API,它具备轮换IP(来自170多个国家/地区)、浏览器渲染和JavaScript执行等功能。这个工具可以模拟真实的浏览器环境(使用无头Chromium客户端),以便能够抓取那些基于Angular、React或Vue等现代前端框架构建的网页。

什么是APILayer的高级抓取工具服务接口?

由服务使用方的应用程序发起,以Restful风格为主、通过公网HTTP协议调用APILayer的高级抓取工具服务 ,从而实现程序的自动化交互,提高服务效率。

APILayer的高级抓取工具服务有哪些核心功能?

  1. 内置轮换代理:APILayer高级抓取工具支持从170多个国家/地区的IP地址中进行选择,用于轮换代理,增加了抓取请求的匿名性和难以追踪性。

  2. JavaScript执行:能够在远程页面上执行JavaScript代码,并返回执行结果。这允许用户模拟用户的交互行为,如填写表单、点击按钮等。

  3. CSS选择器:允许用户指定CSS选择器,以便只抓取页面上的特定部分,而不是整个页面。这可以极大地减少数据传输和处理的时间。

  4. 等待导航:如果JavaScript代码触发了页面跳转或导航,该工具可以模拟这种行为,并等待结果页面加载完成后进行抓取。

  5. 自定义HTTP标头:用户可以通过设置HTTP标头来模拟不同的用户行为或绕过某些网站的限制。

  6. 图片和文本文件抓取:除了HTML页面外,该工具还可以直接抓取图片和文本文件。

  7. 浏览器渲染:支持模拟真实浏览器环境(使用无头Chromium),这对于抓取那些需要浏览器渲染才能正确显示的页面特别有用。

APILayer的高级抓取工具服务的核心优势是什么?

  1. 高度匿名性和难以追踪性:通过轮换IP和内置代理,用户的真实身份和IP地址难以被追踪。

  2. 强大的JavaScript执行能力:能够模拟用户的交互行为,使抓取过程更加灵活和强大。

  3. 高效的数据抓取:通过CSS选择器,用户可以精确地指定要抓取的数据,减少不必要的数据传输和处理。

  4. 广泛的适用性:支持从简单的静态页面到复杂的动态页面(如基于前端框架构建的页面)的抓取。

  5. 易于使用和集成:提供简单易用的API接口,用户可以轻松地将其集成到自己的应用程序或服务中。

在哪些场景会用到APILayer的高级抓取工具服务?

  1. 市场分析:抓取竞争对手的网站数据,分析市场趋势和竞争态势。

  2. 价格监控:定期抓取在线商店的产品价格,以监控价格变动和进行价格比较。

  3. 数据聚合:从多个网站抓取数据并进行聚合,以生成综合的报告或分析。

  4. 搜索引擎优化(SEO):抓取和分析网页的结构和内容,以优化网站在搜索引擎中的排名。

  5. 自动化测试:模拟用户行为,对网页进行自动化测试和性能监控。

  6. 研究和发展:对于需要分析大量网页数据的研究项目或产品开发,该工具可以提供有效的数据抓取手段。

<
产品价格
>
适用范围:
个人&企业
免费方式:
每月限免
定价方式:
FreeMarker template error (DEBUG mode; use RETHROW in production!): For "${...}" content: Expected a string or something automatically convertible to string (number, date or boolean), or "template output" , but this has evaluated to a sequence (wrapper: f.t.SimpleSequence): ==> serviceInfo.pricingWayList [in template "view/api/info/tab/package-price.ftl" at line 54, column 51] ---- FTL stack trace ("~" means nesting-related): - Failed at: ${serviceInfo.pricingWayList} [in template "view/api/info/tab/package-price.ftl" at line 54, column 49] - Reached through: #include "view/api/info/tab/package-p... [in template "view/api/info/special/index.ftl" at line 353, column 25] ---- Java stack trace (for programmers): ---- freemarker.core.NonStringOrTemplateOutputException: [... Exception message was already printed; see it above ...] at freemarker.core.EvalUtil.coerceModelToTextualCommon(EvalUtil.java:525) at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:401) at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:370) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:334) at freemarker.core.Environment.visit(Environment.java:340) at freemarker.core.Environment.include(Environment.java:2925) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:334) at freemarker.core.Environment.visit(Environment.java:340) at freemarker.core.Environment.process(Environment.java:313) at freemarker.template.Template.process(Template.java:383) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:391) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:304) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:255) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:179) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.ruoyi.common.filter.RepeatableFilter.doFilter(RepeatableFilter.java:43) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:158) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at com.ruoyi.framework.security.filter.JwtAuthenticationTokenFilter.doFilterInternal(JwtAuthenticationTokenFilter.java:42) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92) at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215) at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:888) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1597) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) 错误

404页面错误,error


请求出错,再试一次,或使用浏览器的返回按钮,导航到您之前访问的网页。

或者您可以点击下面这个小按钮:

返回首页