#include "mywidget.h"

 #include "ui_mywidget.h"

 #include <QUrl>

 #include <QDebug>

 #include <QByteArray>

 #include <QSslConfiguration>

 #include <QJsonDocument>

 #include <QJsonParseError>

 #include <QJsonObject>

 #include <QJsonValue>

 MyWidget::MyWidget(QWidget *parent) :

     QWidget(parent),

     ui(new Ui::MyWidget)

 {

     ui->setupUi(this);

     QUrl url;

     m_AccessManager = new QNetworkAccessManager(this);

     url.setUrl("http://ip.taobao.com/service/getIpInfo2.php");

     QSslConfiguration config;

     config.setPeerVerifyMode(QSslSocket::VerifyNone);

     config.setProtocol(QSsl::TlsV1SslV3);

     m_Request.setSslConfiguration(config);

     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");

     m_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");

     m_Request.setRawHeader("Referer","http://ip.taobao.com/ipSearch.html");

     m_Reply = m_AccessManager->post(m_Request,sendData);

     connect(m_AccessManager,&QNetworkAccessManager::finished,this,&MyWidget::ReplyReadFunc);

 }

 MyWidget::~MyWidget()

 {

     delete ui;

 }

 void MyWidget::ReplyReadFunc(QNetworkReply* Reply)

 {

     int NetworkErrors = -;

     NetworkErrors = Reply->error();

     QString ip;

     QString country;

     QString region;

     QString isp;

     if(NetworkErrors ==QNetworkReply::NoError)

     {

         QByteArray databuff = Reply->readAll();

         QString result = QString::fromStdString(databuff.toStdString()).toUtf8();

         QJsonDocument document;

         QJsonParseError ParseError;

         document =QJsonDocument::fromJson(result.toUtf8(),&ParseError);

         if(!document.isNull() && ParseError.error == QJsonParseError::NoError)

         {

             if(document.isObject())

             {

                 QJsonObject Object = document.object(); //获取文档对象

                 if(!Object.isEmpty())

                 {

                     if(Object.contains("data")) //先判断有没有

                     {

                         QJsonValue dataObj = Object.value("data");

                         if(dataObj.isObject())  //判断是否是对象

                         {

                             QJsonObject ObjectData = dataObj.toObject();

                             if(ObjectData.contains("ip"))

                             {

                                 QJsonValue ipVal = ObjectData.value("ip");

                                 if(ipVal.isString())

                                 {

                                     ip = ipVal.toString();

                                 }

                             }

                             if(ObjectData.contains("region"))

                             {

                                 QJsonValue regionVal = ObjectData.value("region");

                                 if(regionVal.isString())

                                 {

                                     region = regionVal.toString();

                                 }

                             }

                             if(ObjectData.contains("isp"))

                             {

                                 QJsonValue ispVal = ObjectData.value("isp");

                                 if(ispVal.isString())

                                 {

                                     isp = ispVal.toString();

                                 }

                             }

                         }

                     }

                 }

             }

             country+="您的ip:"+ip;

             country+="所在城市:"+region;

             country+="运营商:"+isp;

             qDebug()<<country.toStdString().c_str();

         }

     }

 }