QT5 WebCapture 页面定时截图工具

QT5 WebCapture 网页定时截图工具

1.设置启动时间，程序会到启动时间后开始对网页依次进行截图

2.根据所需截图的页面加载速度，设置页面等待时间，尽量达到等页面加载完成后，再执行截图

3.根据需求，设置截图周期

4.程序会使用默认浏览器打开页面进行截图，每轮截图完成后，便会根据默认浏览器进程名称关闭浏览器(防止留存大量页面导致系统卡顿)

运行情况

项目结构

源代码

WebCapture.pro

cpp 复制代码

#-------------------------------------------------
#
# Project created by QtCreator 2023-08-22T16:47:49
#
#-------------------------------------------------

QT += core gui
QT +=testlib


greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = WebCapture
TEMPLATE = app

# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0


SOURCES += \
        main.cpp \
        mainwindow.cpp

HEADERS += \
        mainwindow.h

FORMS += \
        mainwindow.ui

RESOURCES += \
    icon.qrc

mainwindow.h

cpp 复制代码

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QDesktopServices>
#include <QUrl>
#include <QTest>
#include <QApplication>
#include <QScreen>
#include <QPixmap>
#include <QIcon>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
#include <QRegularExpressionMatchIterator>
#include <QDateTime>
#include <QTimer>
#include <QElapsedTimer>

#include<QProcess>

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    void GetScreen(int count);//截取整个屏幕并保存
    void _CloseBrowser();
    void _EachTurn(QString urls);//执行每一轮截图
    float _WebWaitTime=20;//截图等待时间，单位为秒
    float _Interval=30;//截图周期，单位为分钟
    QString _Browser="";//默认浏览器的名称.exe
    QDateTime datetimeValue;//首次开始截图的时间
    QString log="";
    qint64 timestamp;
    ~MainWindow();

private slots:
    void on_pushButton_Start_clicked();

private:
    Ui::MainWindow *ui;
};

#endif // MAINWINDOW_H

main.cpp

cpp 复制代码

#include "mainwindow.h"
#include <QApplication>
#include <QScreen>
#include <QGuiApplication>
#include <QPixmap>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();


    return a.exec();
}

mainwindow.cpp

cpp 复制代码

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    QDateTime currentDateTime = QDateTime::currentDateTime();
    ui->dateTimeEdit_StartTime->setDisplayFormat("yyyy/MM/dd HH:mm:ss");
    ui->dateTimeEdit_StartTime->setDateTime(currentDateTime);
    //固定窗体大小,
        this->setMaximumSize(this->width(),this->height());
        this->setMinimumSize(this->width(),this->height());
        //隐藏最大化按钮
        this->setWindowFlag(Qt::WindowMaximizeButtonHint,0);
        this->setWindowTitle("定时截图工具-半个橘子");
        this->setWindowIcon(QIcon(":/myicon/bgjzicon.png"));

}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::on_pushButton_Start_clicked()
{
     //这一段是用来匹配出每一个url,可以增加一些对输入格式的兼容性...........................................................
        QString urls=ui->plainTextEdit_urls->toPlainText();
        //qDebug()<<"原始字符串:"<<urls<<endl;
        //排除url重定向的链接打乱顺序 如 http://xx.xxx.xx.x/login.php?redirect=http://xxx.xx.xx/
        urls.replace("=http","1");
        //去除\r\n\t
        urls.remove("\n"); urls.remove("\r"); urls.remove("\t");urls.remove(" ");
        //这样可以使用fengefu有效分割出每个url,适应不同的输入格式
        urls.replace("http://","fengefuhttp://");
        urls.replace("https://","fengefuhttps://");
        //在末尾加上分隔符这样可以兼容最后一个url,使得最后一个url得到匹配
        urls=urls+"fengefu";
        //qDebug()<<"处理后的字符串"<<urls;

        //设置为禁用
        ui->pushButton_Start->setDisabled(true);
        ui->plainTextEdit_urls->setDisabled(true);
        ui->dateTimeEdit_StartTime->setDisabled(true);
        ui->lineEdit_interval->setDisabled(true);
        ui->lineEdit_WebWaitTime->setDisabled(true);
        ui->lineEdit_browser->setDisabled(true);

        ui->pushButton_Start->setText("进行中...");
        this->log="";
        //获取单个页面等待时间,默认占位填写的是10秒
        this->_WebWaitTime=ui->lineEdit_WebWaitTime->text().toFloat();
        //获取截图周期,默认占位写的是30分钟
        this->_Interval=ui->lineEdit_interval->text().toFloat();
        qDebug()<<"截图周期"<<this->_Interval<<"分钟"<<endl;
        //获取浏览器进程名称
        this->_Browser=ui->lineEdit_browser->text();

        //获取首次开始时间
        this->datetimeValue=ui->dateTimeEdit_StartTime->dateTime();
        //转换为时间戳
        this->timestamp = datetimeValue.toMSecsSinceEpoch();
        this->log=this->log+"本轮截图将于"+datetimeValue.toString("yyyy-MM-dd HH:mm:ss")+"开始,图片将保存至ScreenPicture文件夹内\n";
        ui->plainTextEdit_log->setPlainText(this->log);

       //时间到的时候，自动进行一轮截图
       QTimer *timer = new QTimer(this);
       connect(timer, &QTimer::timeout, this, [=]()
       {
           QDateTime currentTime = QDateTime::currentDateTime();
           if(currentTime.toMSecsSinceEpoch() >= this->timestamp)
           {
               _EachTurn(urls); // 执行一轮截图

               // 计算下次开始时间
               this->datetimeValue = this->datetimeValue.addSecs(this->_Interval*60);
               this->timestamp = this->datetimeValue.toMSecsSinceEpoch(); // 下次执行时间的时间戳
               this->log = this->log + "本轮截图将于" + datetimeValue.toString("yyyy-MM-dd HH:mm:ss") + "开始,图片将保存至ScreenPicture文件夹内\n";
               ui->plainTextEdit_log->setPlainText(this->log);
           }
       });
       timer->start(1000); // 每1000毫秒（1秒）触发一次


}


 void MainWindow::_EachTurn(QString urls)//执行每一轮截图
 {
     //提取urls

        QRegularExpression Re("(?<url>http[s]{0,1}.*?://.*?)fengefu");

        QRegularExpressionMatchIterator Matchs=Re.globalMatch(urls);
        QRegularExpressionMatch match=Matchs.next();
        QString oneUrl=match.captured("url");//提取每一个url
        qDebug()<<"提取到"<<oneUrl<<endl;
        QDesktopServices::openUrl(QUrl(oneUrl));
        QTest::qSleep(this->_WebWaitTime*1500);//等到完全加载好,乘1500是多加载一会，因为对于第一个页面正则和打开浏览器都消耗了时间

        int count=1;
        this->GetScreen(count);//截图保存

        while(Matchs.hasNext()==true)
       {
           QTest::qSleep(2000);//等一会再打开下一个网页，不然会截错
           match=Matchs.next();
           oneUrl=match.captured("url");
           qDebug()<<"提取到"<<oneUrl<<endl;
           // 打开一个网页
           QDesktopServices::openUrl(QUrl(oneUrl));
           QTest::qSleep(this->_WebWaitTime*1000);//等到一会，到页面完全加载好
           count++;
           this->GetScreen(count);//截图保存
       }

         this->_CloseBrowser();//完成本轮截图，关闭打开的默认浏览器
         this->log=this->log+"---------截图完成---------\n\n";

 }


void MainWindow::GetScreen(int count)//截取整个屏幕并保存
{
    //截取整个屏幕并保存
    QScreen *screen = QApplication::primaryScreen();
    QPixmap originalPixmap = screen->grabWindow(0);
    // 将时间格式化为字符串并输出
    QString timeString = this->datetimeValue.toString("yyyy年MM月dd日-HH时mm分");
    QString picname="ScreenPicture/"+timeString+"-"+QString::number(count)+".png";
    originalPixmap.save(picname);
}


void MainWindow::_CloseBrowser()//关闭默认浏览器
{
    //执行cmd命令
    QProcess p(0);
    QString command="taskkill /im "+this->_Browser+" /f";
    p.start("cmd", QStringList()<<"/c"<<command);
    p.waitForFinished();
    QString strTemp=QString::fromLocal8Bit(p.readAllStandardOutput());
    qDebug()<<strTemp;
}