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資源簡介

最近在研究二維碼識別,看了很多博客,學(xué)到了許多,這里就不一一發(fā)出鏈接了CSDN中一搜一堆,我第一次用手機(jī)發(fā)博,不太會用,就簡單發(fā)個近兩天研究總結(jié),雖然兩天就搞出來了,但是感覺水分很大。直接上代碼和視頻效果吧 對應(yīng)文章見此鏈接https://blog.csdn.net/qq_37603131/article/details/89199138

資源截圖

代碼片段和文件信息

#include?“camera.h“
#include?“ui_camera.h“
#include?
QTimer?*timer2;
camera::camera(QWidget?*parent)?:
????QWidget(parent)
????ui(new?Ui::camera)
{
????ui->setupUi(this);
????timer2?=?new?QTimer(this);
????connect(timer2?SIGNAL(timeout())?this?SLOT(timeSlot()));//連接時間刷新函數(shù)
????timer2->start(10);

????/*QString?m_fileName=“D:/QT/secretJL/software/SmartMemory/1111.png“;
????QImage?img;????????//加載圖像
????if(!(img.load(m_fileName)))
????{
????????QMessageBox::information(this
?????????????????????????????????tr(“打開圖像失敗“)
?????????????????????????????????tr(“打開圖像失敗!“));
????????return;
????}

????img?=?img.scaled(ui->label_image->width()ui->label_image->height()Qt::KeepAspectRatio);
????ui->label_image?->setPixmap(QPixmap::fromImage(img));
*/


????my_cam?=?new?QCamera(this);//添加顯示界面
????my_cam->setCaptureMode(QCamera::CaptureVideo);//設(shè)置攝像頭捕獲模式
????//my_cam->setViewfinder(ui->widget);//設(shè)置取景器
????my_cam->start();//啟動攝像頭
????QCameraImg?=?new?QCameraImageCapture(my_cam);//截取圖像

????Qobject::connect(QCameraImg?&QCameraImageCapture::imageCaptured?this?&camera::displayImage);//觸發(fā)的信號為


}

void?camera::displayImage(int?id?QImage?image)
{
????image?=?image.scaled(ui->label_image->width()ui->label_image->height()Qt::KeepAspectRatio);
????ui->label_image->setPixmap(QPixmap::fromImage(image));//將捕獲的圖片映射到label中

????QDateTime?qtimeObj?=?QDateTime::currentDateTime();
????QZXing?decode;
????QString?str?=?decode.decodeImage(image);
????if(str.isEmpty()==false){
????????ui->lineEdit->setText(str);
????????timer2->stop();
????????//my_cam->stop();
????}
????else
????????ui->lineEdit->setText(tr(“未識別到條形碼圖片!%1“).arg(qtimeObj.toString(“yyyyMMddhhmmsszzz“)));
}
void?camera::on_pushButton_2_clicked()
{
????/*拍照按鈕槽*/
????my_cam->start();//啟動攝像頭
????timer2->start(10);
????QCameraImg->capture();//拍照獲取一幀
}
?/*保存照片*/
/*
void?camera::on_pushButton_3_clicked()
{

???QCameraImg->capture();//拍照獲取一幀
????const?QPixmap?*pixmap?=?ui->label_image->pixmap();

????if(pixmap)

????pixmap->save(“D:\\img.png“);

????else

????qDebug()<<“qwe“;
}
*/


camera::~camera()
{
????delete?ui;
}
//時間顯示回調(diào)函數(shù)
void?camera::timeSlot()
{
????QCameraImg->capture();//拍照獲取一幀
}
void?camera::on_pushButton_clicked()
{
????QString?m_fileName;
????m_fileName?=?QFileDialog::getOpenFileName(this
?????????????????????????????????????????????????tr(“條形碼打開文件“)
?????????????????????????????????????????????????“./“
?????????????????????????????????????????????????tr(“任何文件(*.*)“
????????????????????????????????????????????????????“;;文本文件(*.png)“)
?????????????????????????????????????????????????);
????qDebug()<
???????if(m_fileName.isEmpty()?==?false)
???????{
???????????//ui->statusBar->setToolTip(m_fileName);
???????????QImage?img;????????//加載圖像
???????????if(!(img.load(m_fileName)))
???????????{
???????????????QMessageBox::information(this
???????????????????????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????646??2019-01-06?19:13??secretJL\software\SmartMemory\.qmake.stash

?????文件??????90540??2019-04-10?10:26??secretJL\software\SmartMemory\1111.png

?????文件???????3853??2019-04-10?22:59??secretJL\software\SmartMemory\camera.cpp

?????文件????????651??2019-04-10?17:03??secretJL\software\SmartMemory\camera.h

?????文件???????3983??2019-04-10?21:14??secretJL\software\SmartMemory\camera.ui

?????文件????????900??2018-06-12?11:00??secretJL\software\SmartMemory\CustomStandardItemModel.cpp

?????文件????????432??2018-06-12?11:00??secretJL\software\SmartMemory\CustomStandardItemModel.h

?????文件????8176163??2019-01-24?00:44??secretJL\software\SmartMemory\debug\SmartMemory.exe

?????文件??????20491??2019-03-13?19:47??secretJL\software\SmartMemory\example1.cpp

?????文件???????1020??2019-03-13?19:48??secretJL\software\SmartMemory\example1.h

?????文件???????6788??2019-02-18?14:30??secretJL\software\SmartMemory\example1.ui

?????文件???????1338??2019-03-04?11:06??secretJL\software\SmartMemory\form.cpp

?????文件????????432??2019-03-04?10:55??secretJL\software\SmartMemory\form.h

?????文件???????2326??2019-02-20?16:55??secretJL\software\SmartMemory\form.ui

?????文件????????194??2019-02-20?16:27??secretJL\software\SmartMemory\form1.cpp

?????文件????????288??2019-02-20?16:55??secretJL\software\SmartMemory\form1.h

?????文件??????10605??2019-02-20?16:57??secretJL\software\SmartMemory\form1.ui

?????文件???????4394??2018-06-12?11:00??secretJL\software\SmartMemory\HHeadViewClass.cpp

?????文件???????1471??2018-06-12?11:00??secretJL\software\SmartMemory\HHeadViewClass.h

?????文件???24742912??2019-03-13?19:50??secretJL\software\SmartMemory\jilu.db

?????文件????????507??2019-04-10?09:00??secretJL\software\SmartMemory\main.cpp

?????文件???????2796??2019-03-07?23:06??secretJL\software\SmartMemory\mainwindow.cpp

?????文件????????841??2019-04-10?08:59??secretJL\software\SmartMemory\mainwindow.h

?????文件???????4738??2019-03-07?21:03??secretJL\software\SmartMemory\mainwindow.ui

?????文件??????22915??2019-04-10?21:34??secretJL\software\SmartMemory\Makefile

?????文件?????568936??2019-04-10?21:34??secretJL\software\SmartMemory\Makefile.Debug

?????文件?????570208??2019-04-10?21:34??secretJL\software\SmartMemory\Makefile.Release

?????文件??????11203??2019-03-13?19:49??secretJL\software\SmartMemory\menu.cpp

?????文件????????873??2019-03-11?23:36??secretJL\software\SmartMemory\menu.h

?????文件???????4670??2019-03-07?23:18??secretJL\software\SmartMemory\menu.ui

............此處省略724個文件信息

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