Qt项目-安防监控系统(各个界面功能实现)

目录

各个界面+功能实现

点击回放模式可以查看回放视频+图片

选择日期后点击查询可查看该日期回放视频​编辑 

 对于回放的视频可以—暂停播放 倍速 导出mp4 截图

 点击图片列表可以查看回放视频中的截图图片

点击图片后可以查看详细的图片信息

18.SetWidget.h .cpp

19.Main_Widget.h .cpp

20.Main_MonitorWidget.h .cpp

21.Main_ReplayWidget.h .cpp

22.Play_Widget.h .cpp

23.Image_Widget.h .cpp

main.cpp

各个界面+功能实现

点击回放模式可以查看回放视频+图片

选择日期后点击查询可查看该日期回放视频

 对于回放的视频可以—暂停播放 倍速 导出mp4 截图

 点击图片列表可以查看回放视频中的截图图片

点击图片后可以查看详细的图片信息

本次的Qt项目-安防监控系统，由于工程量较大，分成四篇文章呈现源码。

如果想学习这个安防监控系统项目，另外三篇文章源码可自行查看

Qt项目-安防监控系统(欢迎登录注册)

Qt项目-安防监控系统(MVC设计模式)

Qt项目-安防监控系统(解码编码转码)

Sqlite数据库和FFMPEG开源库，上传至资源，可自行领取学习，对于环境的搭建，可以参考以下文章

windows中Qt+sqlite3的环境搭建 

Qt中FFMPEG环境的搭建 

对摄像头类不知如何获取的，可以参照以下这篇文章解决疑惑

Qt学习-Qt中QCameraInfo类的使用 

18.SetWidget.h .cpp

#ifndef SETWIDGET_H#define SETWIDGET_H#include//测试#include //窗口#include //文本#include //按钮#include //编辑框#include //按钮#include //下拉框#include //检测#include //嵌入图#include //消息框#include //按键事件#include //获取摄像头信息#include //文件框#include "decode.h"//解码#include "setcontrol.h"//设置控制层class SetWidget : public QWidget{Q_OBJECTpublic://explicit SetWidget(QWidget *parent = 0);SetWidget();//构造函数void init_UI();//UI窗口void init_control();//控件布局void init_connect();//按钮-信号槽机制int mark;//标志位--有无数据private:QLabel *Set_label,*VideoPath_label,*ImagePath_label,*Interval_label,*Camera_label;//标签文本QPushButton *VideoPath_btn,*ImagePath_btn,*OK_btn,*Esc_btn;//按钮控件QLineEdit *VideoPath_edit,*ImagePath_edit;//编辑框QComboBox *Interval_box,*Camera_box;//下拉框QLabel *setwidget_label,*setwidget_label1;//设置界面文本signals:void tomain();public slots:void Select_VideoPath();//视频路径选择窗口函数void Select_ImagePath();//图片路径选择窗口函数void init_data();//设置信息存储函数void getmain();//跳转到主界面函数};#endif // SETWIDGET_H

#include "setwidget.h"#include"main_widget.h"//SetWidget::SetWidget(QWidget *parent) : QWidget(parent)//{//}//构造函数SetWidget::SetWidget(){this->mark=0;//标志位init_UI();//UI窗口init_control();//控件布局设计init_connect();//按钮-信号槽机制}//UI窗口void SetWidget::init_UI(){//设置窗口标题this->setWindowTitle("安防监控系统");//设置窗口大小this->setFixedSize(800,600);setWindowFlags(Qt::FramelessWindowHint);//无边框//自己设置背景图片QPixmap pixmap(":/image/060902.jpg");QPalette palette;palette.setBrush(backgroundRole(), QBrush(pixmap));setPalette(palette);}//设置窗口控件布局函数void SetWidget::init_control(){//字体大小--ft1 标题字体大小 ft2 标签字体大小QFont ft1,ft2;ft1.setPointSize(30);ft2.setPointSize(12);//文本this->Set_label = new QLabel("设置界面",this);this->Set_label->setGeometry(300,280,260,40);this->Set_label->setFont(ft1);this->VideoPath_label = new QLabel("视频存储位置",this);this->VideoPath_label->setGeometry(190,350,120,30);this->VideoPath_label->setFont(ft2);this->ImagePath_label = new QLabel("图片存储位置",this);this->ImagePath_label->setGeometry(190,400,120,30);this->ImagePath_label->setFont(ft2);this->Interval_label = new QLabel("采集时间间隔",this);this->Interval_label->setGeometry(190,450,120,30);this->Interval_label->setFont(ft2);this->Camera_label = new QLabel("摄像头配置",this);this->Camera_label->setGeometry(190,500,120,30);this->Camera_label->setFont(ft2);this->setwidget_label = new QLabel(this);this->setwidget_label->setGeometry(0,0,400,270);this->setwidget_label->setPixmap(QPixmap(":/image/061002.jpg").scaled(setwidget_label->size()));this->setwidget_label1 = new QLabel(this);this->setwidget_label1->setGeometry(400,0,400,270);this->setwidget_label1->setPixmap(QPixmap(":/image/061001.jpg").scaled(setwidget_label1->size()));//编辑框this->VideoPath_edit = new QLineEdit(this);this->VideoPath_edit->setReadOnly(true);this->VideoPath_edit->setGeometry(320,350,200,30);this->ImagePath_edit = new QLineEdit(this);this->ImagePath_edit->setReadOnly(true);this->ImagePath_edit->setGeometry(320,400,200,30);//按钮this->VideoPath_btn = new QPushButton("...",this);this->VideoPath_btn->setGeometry(530,350,30,30);this->ImagePath_btn = new QPushButton("...",this);this->ImagePath_btn->setGeometry(530,400,30,30);this->OK_btn = new QPushButton("确定",this);this->OK_btn->setGeometry(320,550,60,30);OK_btn->setFont(ft2);this->Esc_btn = new QPushButton("取消",this);this->Esc_btn->setGeometry(440,550,60,30);Esc_btn->setFont(ft2);//录制时长下拉框控件初始化this->Interval_box = new QComboBox(this);this->Interval_box->setGeometry(320,450,200,30);this->Interval_box->addItem("1分钟");this->Interval_box->addItem("2分钟");this->Interval_box->addItem("3分钟");this->Interval_box->setFont(ft2);//摄像头下拉框控件初始化this->Camera_box = new QComboBox(this);this->Camera_box->setGeometry(320,500,200,30);this->Camera_box->setFont(ft2);//获取摄像头QList cnames= Decode::getcamera();this->Camera_box->addItems(cnames);}//按钮-信号槽机制void SetWidget::init_connect(){//选择视频路径connect(this->VideoPath_btn,SIGNAL(clicked()),this,SLOT(Select_VideoPath()));//选择图片路径connect(this->ImagePath_btn,SIGNAL(clicked()),this,SLOT(Select_ImagePath()));//确定--设置信息存储connect(this->OK_btn,SIGNAL(clicked()),this,SLOT(init_data()));//确定--跳转到主界面connect(this->OK_btn,SIGNAL(clicked()),this,SLOT(getmain()));//关闭按钮关闭窗口connect(this->Esc_btn,SIGNAL(clicked(bool)),this,SLOT(close()));}//设置信息存储函数void SetWidget::init_data(){//framecount时长换算，60分钟=1000毫秒int framecount = 0;if(Interval_box->currentIndex() == 0){framecount =1500;}if(Interval_box->currentIndex() == 1){framecount =3000;}if(Interval_box->currentIndex() == 2){framecount =4500;}//如果路径不为空if(VideoPath_edit->text().trimmed() != tr("") && ImagePath_edit->text().trimmed() != tr("")){//先判断数据库里面是否有设置信息 mark 0为没有数据，1为有数据this->mark=SetControl::getInstance()->getSetting();int res;//如果没有设置信息，就存入数据库设置信息if(mark==0){res=SetControl::getInstance()->doSet(this->VideoPath_edit->text().trimmed(),this->ImagePath_edit->text().trimmed(), framecount,Camera_box->currentText());}//如果有设置信息，就更新数据库设置信息else{res=SetControl::getInstance()->updateSetting(this->VideoPath_edit->text().trimmed(),this->ImagePath_edit->text().trimmed(), framecount,Camera_box->currentText());}//存入数据库信息 0表示成功，1表示失败if(res==0){QMessageBox:: information(this,"提示","设置成功","确定");emit tomain();}else{QMessageBox:: information(this,"提示","设置失败","确定");}}//路径为空就提示else{QMessageBox:: information(this,"提示","路径不能为空","确定");}}//跳转到主界面函数void SetWidget::getmain(){//如果mark标志位为0为有数据,就不用设置就可以跳转到主界面if(mark==0){this->close();Main_Widget *mainwidget = new Main_Widget();mainwidget->show();}else{this->close();Main_Widget *mainwidget = new Main_Widget();mainwidget->show();}}//视频路径选择窗口函数void SetWidget::Select_VideoPath(){QString Video_path=QFileDialog::getExistingDirectory(this,"选择视频存储路径","../");if(Video_path != nullptr){//显示到编辑框上this->VideoPath_edit->setText(Video_path);}}//图片路径选择窗口函数void SetWidget::Select_ImagePath(){QString Image_path=QFileDialog::getExistingDirectory(this,"选择视频存储路径","../");if(Image_path != nullptr){//显示到编辑框上this->ImagePath_edit->setText(Image_path);}}

19.Main_Widget.h .cpp

#ifndef MAIN_WIDGET_H#define MAIN_WIDGET_H#include #include //文本#include //按钮#include //编辑框#include //列表#include //列表项#include //水平#include //垂直#include //嵌入图#include //绘制#include//调试#include//链表#include//下拉框#include//图像#include//嵌入图#include//栈窗口#include//定时器#include //日期#include "main_monitorwidget.h"//监控窗口#include "main_replaywidget.h"//回放窗口#include "loginwidget.h"//登录窗口#include "setwidget.h"//设置窗口class Main_Widget : public QWidget{Q_OBJECTpublic:explicit Main_Widget(QWidget *parent = nullptr);//构造函数void init_UI();//UI窗口void init_control();//控件布局void init_connect();//按钮-信号槽机制static int status;//状态private:QWidget *topWidget;//窗口布局QStackedWidget *bottomWidget;//栈窗口QLabel *time_label,*logo_label;//文本QVBoxLayout *totalLayout;//垂直布局QHBoxLayout *topLayout;//水平布局QPushButton *play_btn,*replay_btn,*log_btn,*setting_btn;//按钮QTimer *timer;//定时器Main_MonitorWidget *monitor;//监控窗口Main_ReplayWidget *replay;//回放窗口SetWidget *setting;loginWidget *loginwidget;signals:public slots:void qtimeSlot();//获取当前时间函数void Tosetting();//跳转到设置窗口函数void Toreplay();//跳转到回放模式函数void Tomonitor();//跳转到监控模式函数void Tomain();//关闭设置窗口函数};#endif // MAIN_WIDGET_H

#include "main_widget.h"int Main_Widget::status=0;//主窗口初始状态//主界面构造函数Main_Widget::Main_Widget(QWidget *parent) : QWidget(parent){init_UI();init_control();init_connect();}//主界面窗口设置void Main_Widget::init_UI(){this->setWindowTitle("陈茹涵--保安大队");this->setFixedSize(1400,900);this->totalLayout = new QVBoxLayout();//setWindowFlags(Qt::FramelessWindowHint);//无边框//setAttribute(Qt::WA_TranslucentBackground);//背景透明}//主界面控件布局设计void Main_Widget::init_control(){//上布局this->topLayout = new QHBoxLayout();this->topWidget = new QWidget(this);this->topWidget->setStyleSheet("background-color: rgb(252,157,154)");//下布局this->bottomWidget = new QStackedWidget(this);this->bottomWidget->setStyleSheet("background:white");//按钮this->play_btn = new QPushButton("监控模式",this);this->play_btn->setFixedSize(100,60);this->replay_btn = new QPushButton("回放模式",this);this->replay_btn->setFixedSize(100,60);this->log_btn = new QPushButton("日志查询",this);this->log_btn->setFixedSize(100,60);this->setting_btn = new QPushButton("系统设置",this);this->setting_btn->setFixedSize(100,60);//定时器--刷新时间this->time_label =new QLabel(this);this->timer = new QTimer(this);timer->start(500);//new一个监控模式布局this->monitor = new Main_MonitorWidget();//开始解码显示监控画面monitor->startdecode();//将监控模式布局放到堆栈布局里面this->bottomWidget->addWidget(monitor);//new一个回放模式布局this->replay = new Main_ReplayWidget();//将回放模式布局放到堆栈布局里面this->bottomWidget->addWidget(replay);//设置当前布局为监控模式this->bottomWidget->setCurrentWidget(monitor);//顶部导航栏布局this->topLayout->addStretch(0);//弹簧this->topLayout->setSpacing(18);//各个控件之间上下间距this->topLayout->addWidget(this->play_btn);this->topLayout->addWidget(this->replay_btn);this->topLayout->addWidget(this->log_btn);this->topLayout->addWidget(this->setting_btn);this->topLayout->addWidget(this->time_label);this->topWidget->setLayout(topLayout);//顶部布局设置this->totalLayout->addWidget(topWidget,1);//比例设计this->totalLayout->addWidget(bottomWidget,9);//比例设计this->setLayout(totalLayout);}//连接函数--按钮信号槽函数void Main_Widget::init_connect(){//获取当前时间connect(timer, SIGNAL(timeout()), this, SLOT(qtimeSlot()));//跳转到设置窗connect(setting_btn, SIGNAL(clicked()), this, SLOT(Tosetting()));//跳转到回放窗connect(replay_btn, SIGNAL(clicked()), this, SLOT(Toreplay()));//跳转到监控窗connect(play_btn, SIGNAL(clicked()), this, SLOT(Tomonitor()));}//获取当前时间函数void Main_Widget::qtimeSlot(){QDateTime date_time =QDateTime::currentDateTime();QString current_date =date_time.toString(" yyyy.MM.dd \nhh:mm:ss ddd");this->time_label->setText (current_date);}//跳转到设置窗口函数void Main_Widget::Tosetting(){//如果没有登录过就显示登录窗口-登录成功栈窗到相应界面if(this->status==0){//登录成功状态为1this->loginwidget = new loginWidget;this->loginwidget->show();}else{this->setting = new SetWidget();this->setting->show();}}//跳转到回放模式函数void Main_Widget::Toreplay(){//如果没有登录过显示登录窗口if(this->status==0){//登录成功状态为1this->loginwidget = new loginWidget;this->loginwidget->show();}else{this->replay->videolist();this->replay->init_connect();this->bottomWidget->setCurrentWidget(replay);}}//跳转到监控模式函数void Main_Widget::Tomonitor(){//如果没有登录过显示登录窗口if(this->status==0){//登录成功状态为1this->loginwidget = new loginWidget;this->loginwidget->show();}else{this->bottomWidget->setCurrentWidget(monitor);}}//关闭设置窗口函数void Main_Widget::Tomain(){this->setting->close();}

20.Main_MonitorWidget.h .cpp

#ifndef MAIN_MONITORWIDGET_H#define MAIN_MONITORWIDGET_H#include #include //标签#include //按钮#include //水平布局#include //垂直布局#include//网格布局-实现监控器田字布局#include //重绘事件#include//链表#include//图像#include//嵌入图#include "decode.h"//解码#include//窗口图元项class Main_MonitorWidget : public QWidget{Q_OBJECTpublic://explicit Main_MonitorWidget(QWidget *parent = 0);explicit Main_MonitorWidget(QWidget *parent = nullptr);void init_control();//控件布局设置1void init_control2();//控件布局设置2void init_connect();//按钮-信号槽机制void startdecode();//解码操作Decode *decodeThread;//声明解码线程private:QWidget *rightWidget,*leftWidget,*rightBottomWidget,*righttopWidget;//窗口布局设计QVBoxLayout *leftLayout,*rightLayout;//垂直布局设计QHBoxLayout *rightBottomLayout,*totalLayout;//水平布局设计QGridLayout *righttopLayout;//布局比例设计QPushButton *single_screen_btn,*multi_screen_btn;//按钮QLabel *video1_label,*video2_label,*video3_label,*video4_label;//标签文本QList  camera;//摄像头QImage image;//图片protected:void paintEvent(QPaintEvent *);//重绘事件-接收图片监控显示signals:public slots:void receiveImg(QImage img);//接收图片函数void ToSingle();//切换单画面模式void ToFour();//切换多画面模式};#endif // MAIN_MONITORWIDGET_H

#include "main_monitorwidget.h"//构造Main_MonitorWidget::Main_MonitorWidget(QWidget *parent) : QWidget(parent){setWindowFlags(Qt::FramelessWindowHint); //无边框setAttribute(Qt::WA_TranslucentBackground);//背景透明init_control();//控件布局init_connect();//按钮-信号槽机制}//监控界面控件布局void Main_MonitorWidget::init_control(){this->totalLayout = new QHBoxLayout();//水平this->leftLayout = new QVBoxLayout();//垂直this->rightLayout = new QVBoxLayout();//垂直this->leftWidget =new QWidget();this->rightWidget =new QWidget();this->rightBottomWidget =new QWidget();this->righttopWidget =new QWidget();this->rightBottomLayout=new QHBoxLayout();//水平this->righttopLayout = new QGridLayout();//网格this->leftWidget->setStyleSheet("background-color: rgb(252,157,154)");//背景颜色QListWidget *playList = new QListWidget;//视频列表//设置QListWidget的显示模式playList->setViewMode (QListView::IconMode) ;//设置QListWidget中单元项的间距playList->setSpacing(0) ;//设置自动适应布局调整(Adjust适应 Fixed不适应)--默认不适应设置playList->setResizeMode (QListWidget::Adjust);//设置不能移动playList->setMovement (QListWidget::Static);playList->setStyleSheet("border:none;font-size:15px");//边框尺寸15号字体//默认无背景--直到摄像头加入camera = Decode::getcamera();for(int i = 0;isetTextColor("white");playItem->setText(camera.at(i));//重新设置单元项图片的宽度和高度playItem->setSizeHint(QSize(200,50));//将单元项添加到QListWidget中playList->addItem(playItem);this->leftLayout->addWidget(playList);}this->leftWidget->setLayout(leftLayout);//左边布局设计//右上布局设计this->video1_label = new QLabel(this);//不适应设置--开启摄像头后适应窗口this->video1_label->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);this->video1_label->setMinimumSize(100,30);//设置最大和最小窗口//label显示画面控件初始化--默认其他窗口的没有摄像头情况不显示监控this->video2_label = new QLabel(this);this->video2_label->setStyleSheet("background-color: rgb(252,157,154)");this->video3_label = new QLabel(this);this->video3_label->setStyleSheet("background-color: rgb(252,157,154)");this->video4_label = new QLabel(this);this->video4_label->setStyleSheet("background-color: rgb(252,157,154)");//添加到布局，田字格布局--网格布局设计this->righttopLayout->addWidget(video1_label,0,0);this->righttopLayout->addWidget(video2_label,0,1);this->righttopLayout->addWidget(video3_label,1,0);this->righttopLayout->addWidget(video4_label,1,1);//弹簧设计this->righttopLayout->setRowStretch(0,1);this->righttopLayout->setRowStretch(1,1);this->righttopLayout->setColumnStretch(0,1);this->righttopLayout->setColumnStretch(1,1);this->righttopWidget->setLayout(righttopLayout);//设置右上田字监控布局//右下按钮控件的布局设计this->single_screen_btn = new QPushButton("单",this);this->multi_screen_btn = new QPushButton("双",this);this->rightBottomLayout->addWidget(single_screen_btn);this->rightBottomLayout->addWidget(multi_screen_btn);this->rightBottomLayout->addStretch(0);//弹簧设计this->rightBottomWidget->setLayout(rightBottomLayout);//设置右下按钮控件布局//右边布局-比例设计this->rightLayout->addWidget(righttopWidget,95);//右上窗口比例this->rightLayout->addWidget(rightBottomWidget,5);//右下控件窗口比例this->rightWidget->setLayout(rightLayout);//设置布局//整体布局-比例设计this->totalLayout ->setSpacing(0);//表示各个控件之间的上下间距this->totalLayout->setMargin(0);//表示控件与窗体的左右边距this->totalLayout->addWidget(leftWidget,17);//左右窗口比例设计this->totalLayout->addWidget(rightWidget,83);//左右窗口比例设计this->setLayout(totalLayout);//设置布局}//连接函数-按钮信号槽机制void Main_MonitorWidget::init_connect(){connect(this->single_screen_btn,SIGNAL(clicked()),this,SLOT(ToSingle()));//单通道按钮connect(this->multi_screen_btn,SIGNAL(clicked()),this,SLOT(ToFour()));//多通道按钮}//实时显示监控画面解码函数void Main_MonitorWidget::startdecode(){this->decodeThread =new Decode();decodeThread->start();//启动解码线程connect(decodeThread,SIGNAL(sendImg(QImage)),this,SLOT(receiveImg(QImage)));//发送接收图片信号}//接收图片函数void Main_MonitorWidget::receiveImg(QImage img){this->image =img;this->update();}//监控界面label控件接收图片事件--重绘事件实现开启摄像头窗口自适应显示画面void Main_MonitorWidget::paintEvent(QPaintEvent *){//如果这个图片不为空if(!this->image.isNull()){//画面图片显示在label载体上QPixmap *image = new QPixmap(QPixmap::fromImage(this->image));image->scaled(video1_label->size(),Qt::KeepAspectRatio);video1_label->setPixmap(QPixmap::fromImage(this->image));video1_label->setScaledContents(true);}}//切换单画面模式void Main_MonitorWidget::ToSingle(){//关闭其他监控窗口this->righttopLayout->removeWidget(video2_label);this->righttopLayout->removeWidget(video3_label);this->righttopLayout->removeWidget(video4_label);this->video2_label->setVisible(false);//数据模型构造完毕this->video3_label->setVisible(false);//数据模型构造完毕this->video4_label->setVisible(false);//数据模型构造完毕this->video1_label->setMinimumSize(1109,703);//监控摄像头最大最小窗口设计之单画面}//切换多画面模式--网格布局void Main_MonitorWidget::ToFour(){this->video1_label->setMinimumSize(100,30);//监控摄像头最大最小窗口设计之多画面this->righttopLayout->addWidget(video2_label);this->righttopLayout->addWidget(video3_label);this->righttopLayout->addWidget(video4_label);this->video2_label->setVisible(true);//数据模型构造完毕this->video3_label->setVisible(true);//数据模型构造完毕this->video4_label->setVisible(true);//数据模型构造完毕//网格布局-田字this->righttopLayout->addWidget(video1_label,0,0);this->righttopLayout->addWidget(video2_label,0,1);this->righttopLayout->addWidget(video3_label,1,0);this->righttopLayout->addWidget(video4_label,1,1);//弹簧设计this->righttopLayout->setRowStretch(0,1);this->righttopLayout->setRowStretch(1,1);this->righttopLayout->setColumnStretch(0,1);this->righttopLayout->setColumnStretch(1,1);}

21.Main_ReplayWidget.h .cpp

#ifndef MAIN_REPLAYWIDGET_H#define MAIN_REPLAYWIDGET_H#include #include //标签文本#include //按钮#include //水平#include //垂直#include//网格#include //绘图事件#include//链表#include//图像#include//嵌入图#include//栈窗口#include//窗口列表#include//调试#include //日历窗口#include //编辑日期#include //文件操作#include "videocontrol.h"//视频控制层#include "imagecontrol.h"//图像控制层#include "videomodel.h"//视频模型层#include "imagemodel.h"//图像模型层#include "play_widget.h"//视频播放窗#include "image_widget.h"//图像显示窗//#include"decode_replay.h"//回放解码class Main_ReplayWidget : public QWidget{Q_OBJECTpublic://explicit Main_ReplayWidget(QWidget *parent = 0);explicit Main_ReplayWidget(QWidget *parent = nullptr);//构造void init_UI();//UI窗口void init_connect();//控件布局void videolist();//更新视频列表函数void imagelist();//更新图片列表函数void lastvideo_play();//回放最后一个视频函数private:QWidget *leftWidget,*rightWidget,*rightWidget2,*midWidget,*rightBottomWidget,*righttopWidget;//窗口布局QVBoxLayout *leftLayout,*rightLayout,*righttopLayout,*midLayout;//垂直布局QStackedWidget *StackedWidget;//栈窗口QHBoxLayout *rightBottomLayout,*totalLayout,*rightLayout2;//水平布局QPushButton *Inquire_btn,*Next_btn,*Previous_btn,*video_btn,*image_btn;//按钮QLabel *video_label,*video_label2;//标签文本QImage image;//图像QListWidget *playList,*image_List;//列表窗口Play_Widget *replayWidget;//播放窗口Image_Widget *ImageWidget;//图像窗口QWidget *leftWidget1,*bottomWidget,*rightWidget3,*rightWidget4,*topWidget;//窗口布局QVBoxLayout *leftLayout1,*rightLayout3;//垂直布局QHBoxLayout *rightLayout4,*bottomLayout;//水平布局QGridLayout *topLayout;//网格布局QLabel *name_label,*size_label,*resolution_label;//文本Decode_Replay *decodeThread;//回放解码线程int page;//页数QDateEdit *date;//日期编辑框QString *date_time;//日期QImage Image;//图像QImage image_size;//图像protected:void paintEvent(QPaintEvent *);//重绘事件--视频回放界面label控件接收图片事件signals:public slots:void click_video(QListWidgetItem *item);//点击视频列表播放视频void tovideo();//切换视频列表函数void toimage();//切换图片列表函数void next();//图片列表下一页函数void previous();//图片列表上一页函数void calendar_query();//日历查询函数void receiveimg(QImage img);//视频回放界面接收图片函数void click_image(QListWidgetItem *item);//点击图片槽函数};#endif // MAIN_REPLAYWIDGET_H

#include "main_replaywidget.h"//构造Main_ReplayWidget::Main_ReplayWidget(QWidget *parent) : QWidget(parent){this->page=1;//页数初始化init_UI();//UI窗口}//界面布局void Main_ReplayWidget::init_UI(){//视频回放布局初始化this->totalLayout = new QHBoxLayout();//水平this->leftLayout = new QVBoxLayout();//垂直this->leftWidget = new QWidget();this->rightLayout = new QVBoxLayout();//垂直this->rightWidget = new QWidget();this->rightLayout2 = new QHBoxLayout();//水平this->rightWidget2 = new QWidget();this->midLayout = new QVBoxLayout();//垂直this->midWidget = new QWidget();this->rightBottomWidget =new QWidget();this->rightBottomLayout = new QHBoxLayout();//水平this->righttopWidget =new QWidget();this->righttopLayout= new QVBoxLayout();//垂直this->StackedWidget =new QStackedWidget();//栈窗口this->video_btn = new QPushButton("视频回放",this);//视频控件this->image_btn = new QPushButton("图片列表",this);//图像控件//视频回放---设置左边和右边背景颜色this->leftWidget->setStyleSheet("background-color: rgb(252,157,154)");this->righttopWidget->setStyleSheet("background-color: rgb(252,157,154)");//视频回放---右边视频回放、图片回放按钮布局this->leftLayout->addWidget(video_btn);this->leftLayout->addWidget(image_btn);//视频回放---设置弹簧，使两个按钮放到顶部this->leftLayout->addStretch(0);this->leftWidget->setLayout(leftLayout);//视频回放---中间布局this->video_label = new QLabel();this->video_label2 = new QLabel();this->midLayout->addWidget(video_label,7);//比例设计this->midLayout->addWidget(video_label2,3);//比例设计this->video_label->setMinimumSize(750,420);//最大最小尺寸this->midWidget->setLayout(midLayout);//放置中间布局//视频回放---右边视频列表布局this->playList = new QListWidget;//设置QListWidget中单元项的间距playList->setSpacing(0);//各个控件间的上下间距//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应playList->setResizeMode(QListWidget::Adjust);//设置不能移动playList->setMovement(QListWidget::Static);playList->setStyleSheet("border:none;font-size:15px");playList->setIconSize(QSize(120,130));QList titleList;QList coverList;//从数据库获取视频信息,返回qreschar **qres;qres=VideoControl::getInstance()->getVideoPath();//用List存视频路径，跳过表头，自增2存一次for(int i=VideoModel::col;i<(VideoModel::row+1)*VideoModel::col;i+=2){titleList<<qres[i];}//用List存封面路径，跳过表头，自增2存一次for(int i=VideoModel::col+1;i<(VideoModel::row+1)*VideoModel::col;i+=2){coverList<<qres[i];}//将得到的list添加到QListWidgetItem单元项里面for (int i=0;isetIcon(QIcon(coverList[i]));playItem->setTextColor("white");playItem->setText(titleList.at(i));//重新设置单元项图片的宽度和高度playItem->setSizeHint(QSize(150,170));//将单元项添加到QListWidget中playList->addItem(playItem);}//将视频列表添加到布局里this->righttopLayout->addWidget(playList) ;this->righttopWidget->setLayout(righttopLayout);//视频回放---右边日历查询布局this->Inquire_btn = new QPushButton("查询",this);//日历控件初始化this->date = new QDateEdit();this->date->setCalendarPopup(true);this->date->setDate(QDate::currentDate());this->date->setFixedSize(160,40);//查询和日历控件添加到布局里this->rightBottomLayout->addWidget(date);this->rightBottomLayout->addWidget(Inquire_btn);this->rightBottomWidget->setLayout(rightBottomLayout);//日历查询布局和视频列表布局比例为1:9this->rightLayout->addWidget(rightBottomWidget,1);this->rightLayout->addWidget(righttopWidget,9);this->rightWidget->setLayout(rightLayout);//视频播放布局和视频列表布局比例为7：3this->rightLayout2->addWidget(midWidget,7);this->rightLayout2->addWidget(rightWidget,3);this->rightWidget2->setLayout(rightLayout2);//将视频回放布局添加到堆栈布局里this->StackedWidget->addWidget(rightWidget2);//图片回放布局初始化this->leftWidget1=new QWidget();this->bottomWidget=new QWidget();this->rightWidget3=new QWidget();this->rightWidget4=new QWidget();this->topWidget=new QWidget();this->leftLayout1=new QVBoxLayout();//垂直this->bottomLayout=new QHBoxLayout();//水平this->rightLayout3=new QVBoxLayout();//垂直this->rightLayout4=new QHBoxLayout();//水平this->topLayout=new QGridLayout();//网格//图片回放控件初始化this->name_label=new QLabel("照片名称：",this);this->size_label=new QLabel("照片大小：",this);this->resolution_label=new QLabel("照片尺寸：",this);this->Next_btn = new QPushButton("下一页",this);this->Previous_btn = new QPushButton("上一页",this);//图片回放---中间图片列表布局this->image_List = new QListWidget;//设置QListWidget的显示模式image_List->setViewMode (QListView::IconMode);//设置QListWidget中单元项的间距image_List->setSpacing(4);//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应image_List->setResizeMode (QListWidget::Adjust) ;//设置不能移动image_List->setMovement (QListWidget::Static);image_List->setStyleSheet("border:none;font-size:15px");image_List->setIconSize(QSize(230,230));QList ImageList;QList nameList;//从数据库获取图片信息,返回qreschar **qres2;qres2=ImageControl::getInstance()->getImagePath(page);//用List存视频路径，跳过表头，自增2存一次for(int i=ImageModel::col;i<(ImageModel::row+1)*ImageModel::col;i+=2){ImageList<<qres2[i];}//用List存视频名称，跳过表头，自增2存一次for(int i=ImageModel::col+1;i<(ImageModel::row+1)*ImageModel::col;i+=2){nameList<<qres2[i];}//将得到的list添加到QListWidgetItem单元项里面for (int i=0;isetIcon(QIcon(ImageList[i]));imageItem->setText(nameList.at(i));//重新设置单元项图片的宽度和高度imageItem->setSizeHint(QSize(220,220));//将单元项添加到QListWidget中image_List->addItem(imageItem);}//将图片列表添加到布局里this->topLayout->addWidget(image_List);this->topWidget->setLayout(topLayout);//图片回放---中间下边翻页布局this->bottomLayout->addWidget(Previous_btn);//上一页this->bottomLayout->addWidget(Next_btn);//下一页this->bottomWidget->setLayout(bottomLayout);//控件窗口布局//图片回放---中间图片列表布局和下边翻页布局比例为95:5this->leftLayout1->addWidget(topWidget,95);this->leftLayout1->addWidget(bottomWidget,5);this->leftWidget1->setLayout(leftLayout1);//图片回放---右边图片信息布局this->rightLayout3->addWidget(name_label);this->rightLayout3->addWidget(size_label);this->rightLayout3->addWidget(resolution_label);//图片回放---用弹簧把label设置到布局顶部this->rightLayout3->addStretch(0);//弹簧this->rightWidget3->setLayout(rightLayout3);//图片列表布局和图片信息布局比例为8:2this->rightLayout4->addWidget(leftWidget1,8);this->rightLayout4->addWidget(rightWidget3,2);this->rightWidget4->setLayout(rightLayout4);//堆栈窗口this->StackedWidget->addWidget(rightWidget4);this->StackedWidget->setCurrentWidget(rightWidget2);//总布局this->totalLayout ->setSpacing(0);//表示各个控件之间的上下间距this->totalLayout->setMargin(0);//表示控件与窗体的左右边距this->totalLayout->addWidget(leftWidget,15);//比例this->totalLayout->addWidget(StackedWidget,85);//比例this->setLayout(totalLayout);}//连接函数-按钮信号槽机制void Main_ReplayWidget::init_connect(){//点击视频列表播放视频connect(playList,SIGNAL(itemClicked(QListWidgetItem *)),this,SLOT(click_video(QListWidgetItem *)));//切换视频列表connect(video_btn,SIGNAL(clicked()),this,SLOT(tovideo()));//切换图片列表connect(image_btn,SIGNAL(clicked()),this,SLOT(toimage()));//图片列表上一页connect(Previous_btn,SIGNAL(clicked()),this,SLOT(previous()));//图片列表下一页connect(Next_btn,SIGNAL(clicked()),this,SLOT(next()));//日历查询connect(Inquire_btn,SIGNAL(clicked()),this,SLOT(calendar_query()));//视频回放界面接收图片connect(decodeThread, SIGNAL(sendImg2(QImage)), this, SLOT(receiveimg(QImage)));//点击图片connect(image_List, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(click_image(QListWidgetItem *)));}//更新视频列表函数void Main_ReplayWidget::videolist(){//更新视频列表 删去所有itemthis->playList->deleteLater();this->playList =new QListWidget();this->righttopLayout->deleteLater();this->righttopLayout= new QVBoxLayout();this->righttopWidget->deleteLater();this->righttopWidget=new QWidget();//设置QListWidget的显示模式playList-> setSpacing(0) ;//设置QListWidget中单元项的间距//设置自动适应布局调整(Adjust适应,Fixed不适应)--默认不适应playList-> setResizeMode (QListWidget::Adjust) ;//设置不能移动playList-> setMovement (QListWidget::Static) ;playList->setStyleSheet("border:none;font-size:15px");playList->setIconSize(QSize(120,130));char **qres;qres=VideoControl::getInstance()->getVideoPath();QList titleList;QList coverList;for(int i=VideoModel::col;i<(VideoModel::row+1)*VideoModel::col;i+=2){titleList<<qres[i];}for(int i=VideoModel::col+1;i<(VideoModel::row+1)*VideoModel::col;i+=2){coverList<<qres[i];}for (int i=0;isetIcon(QIcon(coverList[i]));playItem->setText(titleList.at(i));//重新设置单元项图片的宽度和高度playItem->setSizeHint(QSize(150,170));//将单元项添加到QListWidget中playList->addItem(playItem);}this->righttopLayout->addWidget(playList);this->righttopWidget->setLayout(righttopLayout);this->righttopWidget->setStyleSheet("background-color: rgb(252,157,154)");this->rightLayout->addWidget(righttopWidget,9);connect(playList,SIGNAL(itemClicked(QListWidgetItem *)),this,SLOT(click_video(QListWidgetItem *)));}//更新图片列表函数void Main_ReplayWidget::imagelist(){//更新视频列表 删去所有itemthis->image_List->deleteLater();this->image_List =new QListWidget();this->topLayout->deleteLater();this->topLayout= new QGridLayout();this->topWidget->deleteLater();this->topWidget=new QWidget();//设置QListWidget的显示模式image_List-> setViewMode (QListView::IconMode);//设置QListWidget中单元项的间距image_List-> setSpacing(4);//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应image_List-> setResizeMode (QListWidget::Adjust) ;//设置不能移动image_List-> setMovement (QListWidget::Static) ;image_List->setStyleSheet("border:none;font-size:15px");image_List->setIconSize(QSize(230,230));QList ImageList;QList nameList;char **qres2;qres2=ImageControl::getInstance()->getImagePath(this->page);for(int i=ImageModel::col;i<(ImageModel::row+1)*ImageModel::col;i+=2){ImageList<<qres2[i];}for(int i=ImageModel::col+1;i<(ImageModel::row+1)*ImageModel::col;i+=2){nameList<<qres2[i];}for (int i=0;isetIcon(QIcon(ImageList[i]));imageItem->setText(nameList.at(i));//重新设置单元项图片的宽度和高度imageItem->setSizeHint(QSize(220,220));//将单元项添加到QListWidget中image_List->addItem(imageItem);}//重新添加到布局里面this->topLayout->addWidget(image_List);this->topWidget->setLayout(topLayout);this->leftLayout1->addWidget(topWidget,95);this->leftLayout1->addWidget(bottomWidget,5);connect(image_List, SIGNAL(itemClicked(QListWidgetItem *)), this, SLOT(click_image(QListWidgetItem *)));}//回放最后一个视频函数void Main_ReplayWidget::lastvideo_play(){//从数据库获取最后一个视频路径char**res;res=VideoModel::getInstance()->getLastvideo();QString lastvdieo =res[1];//如果没有就返回if(lastvdieo.length()==0){QMessageBox::warning(this, tr("提示！"),tr("暂无视频可播放！"),QMessageBox::Yes);return;}//找到就传路径给解码线程并且打开this->decodeThread=new Decode_Replay(lastvdieo);this->decodeThread->start();}//槽函数--点击视频列表播放视频void Main_ReplayWidget::click_video(QListWidgetItem *item){//通过点击item获取对应的text,也就是视频名称,再传给control层去查询数据库char **qres=VideoControl::getInstance()->getVideo(item->text());replayWidget =new Play_Widget(qres[1]);replayWidget->show();}//点击图片槽函数void Main_ReplayWidget::click_image(QListWidgetItem *item){//获取该item的text，即图片名字，然后到数据库查询图片路径int size;char **qres=ImageControl::getInstance()->getimage(item->text());QFile myfile(qres[1]);//获取图片大小if(myfile.open(QIODevice::ReadOnly)){size = myfile.size();myfile.close();}//获取图片宽高this->image_size.load(qres[1]);this->name_label->setText("图片名称："+item->text());this->size_label->setText("图片大小："+QString::number(size/1024)+" KB");this->resolution_label->setText("照片尺寸："+QString::number(image_size.height())+" X "+QString::number(image_size.width()));//获得图片路径，加载出图片放大窗口this->ImageWidget=new Image_Widget(qres[1]);this->ImageWidget->show();}//切换视频列表函数void Main_ReplayWidget::tovideo(){//用堆栈布局显示视频列表布局this->StackedWidget->setCurrentWidget(rightWidget2);}//切换图片列表函数void Main_ReplayWidget::toimage(){//用堆栈布局显示图片列表布局this->StackedWidget->setCurrentWidget(rightWidget4);imagelist();}//图片列表下一页函数void Main_ReplayWidget::next(){ //先判断数据库下一个区间是否还有图片this->page++;char **qres3;QList ImageList;qres3=ImageControl::getInstance()->getImagePath(this->page);for(int i=ImageModel::col;i<(ImageModel::row+1)*ImageModel::col;i+=1){ImageList<page--;}//否则加加载图片else{imagelist();}}//图片列表上一页函数void Main_ReplayWidget::previous(){//如果页数不是第一页就继续加载图片if(this->page>1){this->page--;imagelist();}//如果页数是第一页就提示else{QMessageBox::warning(this, tr("提示！"),tr("已经是第一页！"),QMessageBox::Yes);}}//日历查询函数void Main_ReplayWidget::calendar_query(){//获取日历控件的参数，并修改格式yyyyMMddQString time = date->dateTime().toString("yyyyMMdd");//control层传参查询数据库是否有该日期视频char **qres;qres=VideoControl::getInstance()->calendar_query(time);QList titleList;QList coverList;for(int i=VideoModel::col;i<(VideoModel::row+1)*VideoModel::col;i+=2){titleList<playList->deleteLater();this->playList =new QListWidget();this->righttopLayout->deleteLater();this->righttopLayout= new QVBoxLayout();this->righttopWidget->deleteLater();this->righttopWidget=new QWidget();playList->setSpacing(0);//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应playList->setResizeMode (QListWidget::Adjust);//设置不能移动playList->setMovement (QListWidget::Static);playList->setStyleSheet("border:none;font-size:15px");playList->setIconSize(QSize(110,120));for(int i=VideoModel::col+1;i<(VideoModel::row+1)*VideoModel::col;i+=2){coverList<<qres[i];}for (int i=0;isetIcon(QIcon(coverList[i]));playItem->setText(titleList.at(i));//重新设置单元项图片的宽度和高度playItem->setSizeHint(QSize(150,250));//将单元项添加到QListWidget中playList->addItem(playItem);}this->righttopLayout->addWidget(playList);this->righttopWidget->setLayout(righttopLayout);this->righttopWidget->setStyleSheet("background-color: rgb(252,157,154)");this->rightLayout->addWidget(righttopWidget,9);connect(playList,SIGNAL(itemClicked(QListWidgetItem *)),this,SLOT(click_video(QListWidgetItem *)));}//视频回放界面接收图片函数void Main_ReplayWidget::receiveimg(QImage img){this->Image =img;this->update();}//视频回放界面label控件接收图片事件void Main_ReplayWidget::paintEvent(QPaintEvent *){if(!this->Image.isNull()){QPixmap *image = new QPixmap(QPixmap::fromImage(this->Image));image->scaled(video_label->size(),Qt::KeepAspectRatio);//控件接收图片video_label->setPixmap(QPixmap::fromImage(this->Image));video_label->setScaledContents(true);}}

22.Play_Widget.h .cpp

#ifndef PLAY_WIDGET_H#define PLAY_WIDGET_H#include #include //标签文本#include //按钮#include //水平#include //垂直#include //重绘#include//下拉框#include//图像#include//嵌入图#include "decode_replay.h"//解码回放#include "ftrancetomp4.h"//转码#include//消息框class Play_Widget : public QWidget{Q_OBJECTpublic:explicit Play_Widget(QString PATH,QWidget *parent = nullptr);//构造void init_UI();//UI窗口void init_control();//控件布局void init_connect();//按钮-信号槽机制Decode_Replay *decodeThread;//解码回放static QString path;//路径private:QVBoxLayout *totalLayout;//垂直布局QWidget *bottomWidget,*topWidget;//窗口布局QHBoxLayout *bottomLayout,*topLayout;//水平布局QLabel *video_label;//标签文本QPushButton *play_btn,*screenshots_btn,*export_btn;//按钮QComboBox *Timesthespeed_box;//下拉框QImage Image;//图片FTranceTomp4 *trance;//转码int mark;//标志位--播放暂停protected:void paintEvent(QPaintEvent *);//重绘事件--监控界面label控件接收图片事件signals:public slots:void receiveimg(QImage img);//接收图片槽函数void continue_stop();//视频暂停函数void screenshots();//截图函数void trancetomp4();//转码导出视频函数};#endif // PLAY_WIDGET_H

#include "play_widget.h"QString Play_Widget::path=nullptr;//路径初始化//播放界面构造函数Play_Widget::Play_Widget(QString PATH,QWidget *parent) : QWidget(parent){this->mark = 1;//mark为暂停标记，1表示继续播放，0 表示暂停init_UI();//UI窗口init_control();//控件布局//path为视频路径this->path=PATH;//创建一个解码线程this->decodeThread=new Decode_Replay(path);//启动线程this->decodeThread->start();init_connect();//按钮-信号槽机制}//播放界面参数设置void Play_Widget::init_UI(){this->setWindowTitle("播放界面");this->setFixedSize(900,675);this->totalLayout = new QVBoxLayout();}//播放界面控件布局void Play_Widget::init_control(){this->bottomWidget=new QWidget();this->topWidget=new QWidget();this->bottomLayout=new QHBoxLayout();this->topLayout=new QHBoxLayout();this->video_label=new QLabel();this->play_btn=new QPushButton("暂停/播放",this);this->screenshots_btn=new QPushButton("截图",this);this->export_btn=new QPushButton("导出",this);//下拉框this->Timesthespeed_box = new QComboBox(this);this->Timesthespeed_box->clear();this->Timesthespeed_box->addItem("1X");this->Timesthespeed_box->addItem("0.5X");this->Timesthespeed_box->addItem("1.5X");this->Timesthespeed_box->addItem("2X");//放置画面this->video_label->setStyleSheet("background-color: rgb(252,157,154)");//放置画面-接收画面加载this->video_label->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);//可拓展this->video_label->setMinimumSize(850,638);//最大最小尺寸this->topLayout->addWidget(video_label);this->topWidget->setLayout(topLayout);//控件设计this->bottomLayout->addWidget(play_btn);this->bottomLayout->addStretch(0);//弹簧this->bottomLayout->addWidget(Timesthespeed_box);this->bottomLayout->addWidget(screenshots_btn);this->bottomLayout->addWidget(export_btn);this->bottomWidget->setLayout(bottomLayout);//控件布局设计//整个布局比例this->totalLayout->addWidget(topWidget,9);//比例设计this->totalLayout->addWidget(bottomWidget,1);//比例设计this->setLayout(totalLayout);//整体布局}//按钮-信号槽机制void Play_Widget::init_connect(){//解码线程connect(Timesthespeed_box,SIGNAL(activated(QString)),decodeThread,SLOT(setSpeed(QString)));//视频暂停connect(play_btn, SIGNAL(clicked()), this, SLOT(continue_stop()));//接收图片connect(decodeThread, SIGNAL(sendImg2(QImage)), this, SLOT(receiveimg(QImage)));//截图connect(screenshots_btn, SIGNAL(clicked()), this, SLOT(screenshots()));//转码导出视频函数connect(export_btn, SIGNAL(clicked()), this, SLOT(trancetomp4()));}//接收图片槽函数void Play_Widget::receiveimg(QImage img){this->Image =img;this->update();}//视频暂停函数void Play_Widget::continue_stop(){//如果标记为0，视频就开始if(this->mark==0){decodeThread->status=0;this->mark=1;} //如果标记为1，视频就暂停else if(this->mark==1){decodeThread->status=1;this->mark=0;}}//截图函数void Play_Widget::screenshots(){decodeThread->screenshots_mark=1;QMessageBox::warning(this, tr("提示！"),tr("截图成功！"),QMessageBox::Yes);}//转码导出视频函数void Play_Widget::trancetomp4(){//创建一个解码对象this->trance=new FTranceTomp4();//将视频路径传到解码this->trance->openH264File(path);this->trance->coverTomp4();QMessageBox::warning(this, tr("提示！"),tr("导出成功！"),QMessageBox::Yes);}//监控界面label控件接收图片事件void Play_Widget::paintEvent(QPaintEvent *){if(!this->Image.isNull()){QPixmap *image = new QPixmap(QPixmap::fromImage(this->Image));image->scaled(video_label->size(),Qt::KeepAspectRatio);video_label->setPixmap(QPixmap::fromImage(this->Image));video_label->setScaledContents(true);}}

23.Image_Widget.h .cpp

#ifndef IMAGE_WIDGET_H#define IMAGE_WIDGET_H#include #include //标签文本#include //水平布局#include //字符串#include //图片class Image_Widget : public QWidget{Q_OBJECTpublic://explicit Image_Widget(QWidget *parent = 0);explicit Image_Widget(QString image_path,QWidget *parent = nullptr);//图片放大函数private:QLabel *image_label;//标签文本QHBoxLayout *totalLayout;//水平布局signals:public slots:};#endif // IMAGE_WIDGET_H

#include "image_widget.h"//Image_Widget::Image_Widget(QWidget *parent) : QWidget(parent)//{//}//图片放大-构造函数Image_Widget::Image_Widget(QString image_path, QWidget *parent){this->setWindowTitle("播放窗口画面");this->setFixedSize(640,481);this->totalLayout = new QHBoxLayout();//水平this->image_label = new QLabel();//放置画面QImage *image = new QImage(image_path);//获取画面this->image_label->setPixmap(QPixmap::fromImage(*image));//画面自适应载体this->image_label->setScaledContents(true);//图片自适应窗口控件大小this->totalLayout->addWidget(image_label);//播放窗口布局this->setLayout(totalLayout);//设置全局布局}

main.cpp

#include "setwidget.h"//设置界面#include"myview.h"//开始动画设置#include #include"loginwidget.h"//登录界面#include"registerwidget.h"//注册界面#include"main_monitorwidget.h"//监控界面#include"main_replaywidget.h"//回放界面#include"play_widget.h"//播放界面#include"main_widget.h"//主界面#include"image_widget.h"//图像界面#include//测试#include"sqlite3.h"//数据库//当前C++兼容C语言extern "C"{//avcodec:编解码(最重要的库)#include //avformat:封装格式处理#include //swscale:视频像素数据格式转换#include //avdevice:各种设备的输入输出#include //avutil:工具库（大部分库都需要这个库的支持）#include }int main(int argc, char *argv[]){QApplication a(argc, argv);////测试环境是否成功搭建//qDebug()<<"sqlite3版本"<<sqlite3_libversion();//qDebug("-------------------------------------------------------------------");//qDebug("%s", avcodec_configuration());//qDebug("version: %d", avcodec_version());//qDebug("-------------------------------------------------------------------");//开机动画myView kaiji;//对象创建kaiji.show();//调用方法return a.exec();}