QT5 Http/https Access and JSON parsing for practical

Utility QT5 Access http/and HTTPS protocol access

and call JSON parsing

1#include"mywidget.h"2#include"ui_mywidget.h"3#include <QUrl>4#include <QDebug>5#include <QByteArray>6#include <QSslConfiguration>7#include <QJsonDocument>8#include <QJsonParseError>9#include <QJsonObject>Ten#include <QJsonValue> OneMywidget::mywidget (Qwidget *parent): A Qwidget (parent), -UiNewui::mywidget) - { theUI-&GT;SETUPUI ( This); - qurl URL; -M_accessmanager =NewQnetworkaccessmanager ( This); -Url.seturl ("http://ip.taobao.com/service/getIpInfo2.php"); + qsslconfiguration config; - Config.setpeerverifymode (qsslsocket::verifynone); + Config.setprotocol (qssl::tlsv1sslv3); A m_request.setsslconfiguration (config); at m_request.seturl (URL); - Qbytearray SendData; -SendData = qstring::fromstdstring ("ip=27.106.204.0"). Tolocal8bit (); -M_request.setrawheader ("Accept","*/*"); -M_request.setrawheader ("Accept-language","zh-cn,zh;q=0.9"); -M_request.setrawheader ("Content-type","application/x-www-form-urlencoded"); inM_request.setrawheader ("user-agent","mozilla/5.0 (Windows NT 6.1; Win64; x64) applewebkit/537.36 (khtml, like Gecko) chrome/66.0.3359.181 safari/537.36"); -M_request.setrawheader ("X-requested-with:","XMLHttpRequest"); toM_request.setrawheader ("Referer","http://ip.taobao.com/ipSearch.html"); +M_reply = m_accessmanager->post (m_request,senddata); -  theConnect (m_accessmanager,&qnetworkaccessmanager::finished, This,&mywidget::replyreadfunc); *  $ }Panax Notoginseng  -mywidget::~Mywidget () the { +     DeleteUI; A } the voidMywidget::replyreadfunc (qnetworkreply*Reply) + { -     intNetworkerrors =-1; $Networkerrors = reply->error (); $ QString IP; - QString Country; - QString region; the QString ISP; - Wuyi     if(Networkerrors = =qnetworkreply::noerror) the     { -Qbytearray Databuff = reply->ReadAll (); WuQString result =qstring::fromstdstring (Databuff.tostdstring ()). ToUtf8 (); - qjsondocument document; About qjsonparseerror parseerror; $Document =qjsondocument::fromjson (Result.toutf8 (),&parseerror); -         if(!document.isnull () && Parseerror.error = =qjsonparseerror::noerror) -         { -             if(Document.isobject ()) A             { +Qjsonobject Object = document.Object();//Get Document Object the                 if(!object.isempty ()) -                 { $  the                     if(Object.contains ("Data"))//First Judge if there is the                     { theQjsonvalue dataobj = Object.value ("Data"); the                         if(Dataobj.isobject ())//determine whether an object -                         { inQjsonobject Objectdata =Dataobj.toobject (); the                             if(Objectdata.contains ("IP")) the                             { AboutQjsonvalue Ipval = Objectdata.value ("IP"); the                                 if(Ipval.isstring ()) the                                 { theIP =ipval.tostring (); +                                 } -                             } the                             if(Objectdata.contains (" Region"))Bayi                             { theQjsonvalue Regionval = Objectdata.value (" Region"); the                                 if(Regionval.isstring ()) -                                 { -Region =regionval.tostring (); the                                 } the                             } the                             if(Objectdata.contains ("ISP")) the                             { -Qjsonvalue Ispval = Objectdata.value ("ISP"); the                                 if(Ispval.isstring ()) the                                 { theISP =ispval.tostring ();94                                 } the                             } the                         } the                     }98                 } About             } -country+="Your IP:"+IP;101country+="Your city:"+Region ;102country+="Operator:"+ISP;103 104Qdebug () <<country.tostdstring (). C_STR (); the         }106     }107}

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QT5 Http/https Access and JSON parsing for practical