使用Qt发送HTTPS请求
示例代码:
#include "mainwindow.h" #include "ui_mainwindow.h" #include <QNetworkAccessManager> #include <QNetworkReply> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow), manager(new QNetworkAccessManager(this)) { ui->setupUi(this); connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(httpFinished(QNetworkReply *))); } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_toolButton_clicked() { QString url("https://api.eyekey.com/face/Check/checking?app_id=f89ae61fd63d4a63842277e9144a6bd2&app_key=af1cd33549c54b27ae24aeb041865da2&url=https://ss1.baidu.com/6ONXsjip0QIZ8tyhnq/it/u=1306951891,1887123927"); QNetworkRequest request(url); manager->get(request); } void MainWindow::httpFinished(QNetworkReply *reply) { qDebug() << QString(reply->readAll()); }
Application Output窗口输出结果为:
由于Qt原生的网络模块中不包含OpenSSL,所以无法直接访问https链接。
在Windows平台上,为节省时间,可直接使用已构建的OpenSSL,参考链接http://slproweb.com/products/Win32OpenSSL.html,
我下载的OpenSSL版本为Win32 OpenSSL v1.0.2p Light,安装完毕后,将libeay32.dll和ssleay32.dll复制到目标可执行文件所在目录,即可正常输出