基于百度AI的图像识别

#include "mainwindow.h" #include "ui_mainwindow.h" const QString baiduTokenUrl = "https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=%1&client_secret=%2&"; const char *client_id = "kbXbxvfZ0Bx9c9c0EbWba55D"; const char *secret_id = "f22pDA2SO2uoWvYeshECSGutqg6WdGGK"; const QString baiduImageUrl = "https://aip.baidubce.com/rest/2.0/image-classify/v1/animal?access_token=%1"; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); connect(ui->action, &QAction::triggered, this, &MainWindow::openImageSlot); } MainWindow::~MainWindow() { delete ui; } void MainWindow::openImageSlot() { imgPath = QFileDialog::getOpenFileName(this, "选择图片", QCoreApplication::applicationFilePath()); if (imgPath.isEmpty()) { QMessageBox::warning(this, "提示", "选择一张图片"); } QPixmap pix(imgPath); ui->label->setPixmap(pix); } void MainWindow::on_pushButton_clicked() { QByteArray img = Image::imageToBase64(imgPath); //image=xxxxxxx QByteArray imgData = "image=" + img; //body //获取access_token QByteArray replyData; //保存回复信息 QString url = QString(baiduTokenUrl).arg(client_id).arg(secret_id); QMap<QString, QString> header; //封装头部信息 header.insert(QString("Content-Type"), QString("application/x-www-form-urlencoded")); QString accessToken; bool result = Http::post_sync(url, header, imgData, replyData); if (result) { QJsonObject obj = QJsonDocument::fromJson(replyData).object(); accessToken = obj.value("access_token").toString(); } replyData.clear(); QString imgUrl = baiduImageUrl.arg(accessToken); result = Http::post_sync(imgUrl, header, imgData, replyData); if (result) { QJsonObject obj = QJsonDocument::fromJson(replyData).object(); QJsonValue val = obj.value("result"); if (val.isArray()) { QJsonValue first = val.toArray().at(0); if (first.isObject()) { QString name = first.toObject().value("name").toString(); ui->lineEdit->setText(name); return; } } } ui->lineEdit->setText("unkown"); }