ip反查域名工具可执行程序+源代码

#include "ip138robots.h" QString ip138Robots(QString url)//爬取页面 { QUrl URL=url; QNetworkAccessManager manager; QEventLoop Loop; QNetworkRequest request=QNetworkRequest(URL); //设置请求头,主要是user-agent字段，不然爬不到有些url,比如百度 request.setRawHeader("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:107.0) Gecko/20100101 Firefox/107.0"); request.setRawHeader("Accept","*/*"); request.setRawHeader("Accept-Language","zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2"); //这个对于浏览器提醒的那种不安全，是否继续访问的是可行的。会自动去继续浏览的，估计那个只是浏览器自己的特性，直接代码去访问的话，不涉及那个提示，因为不经过浏览器 //实验后确定FollowRedirectsAttribute可以实现当状态码为301、302时，会自动根据响应包的Location值进行跳转,可以进行多次跳转 //多次跳转测试url http://39.129.231.7:85 //测试url http://39.129.50.68:8000 ,响应包Location: /web/index.html,为相对路径，实验确认可自动跳转 //测试url http://39.129.48.54:8090 ,响应包Location: http://39.129.48.54:8090/login.php,为完整路径，实验确认可自动跳转 request.setAttribute(QNetworkRequest::FollowRedirectsAttribute,true); //这一段是兼容ssl的,这样才可以进行https请求 //....................................................................... QSslConfiguration config = request.sslConfiguration(); config.setPeerVerifyMode(QSslSocket::VerifyNone); config.setProtocol(QSsl::TlsV1SslV3); request.setSslConfiguration(config); //........................................................................ QNetworkReply *reply=manager.get(request); QObject::connect(reply,SIGNAL(finished()),&Loop,SLOT(quit())); QTimer::singleShot(10000, &Loop, &QEventLoop::quit);//30秒无响应退出消息循环机制,不然有的url直接访问不到，就会直接卡死，不继续访问后面的url Loop.exec(); QString HtmlText=reply->readAll(); return HtmlText; } QString RegularExpression(QString HTML,QString re,QString fenzu)//正则提取爬到的页面正文 { QString TextAfterRe=""; QRegularExpression Re(re,QRegularExpression::DotMatchesEverythingOption); QRegularExpressionMatchIterator Matchs=Re.globalMatch(HTML); QRegularExpressionMatch match=Matchs.next(); TextAfterRe=TextAfterRe+match.captured(fenzu);//title标签 return TextAfterRe; }