这是一款基于QT开发的MD5校验工具，在这你可以学习到界面UI的设计方法，以及QT应对字符串的处理方法。以及如何去使用QT进行多线程的开发。
MD5.pro工程文件
#-------------------------------------------------
#
# Project created by QtCreator 2020-09-25T14:41:18
#
#-------------------------------------------------QT += core guigreaterThan(QT_MAJOR_VERSION, 4): QT += widgetsTARGET = MD5
TEMPLATE = appRC_ICONS = MD5.ico# The following define makes your compiler emit warnings if you use
# any feature of Qt which has 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 6.0.0CONFIG += c++11SOURCES += \main.cpp \md5test.cpp \md5thread.cppHEADERS += \md5test.h \md5thread.hFORMS +=# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += targetRESOURCES += \image.qrc
md5Test.h文件
#ifndef MD5TEST_H
#define MD5TEST_H#include <QWidget>
#include <QPushButton>
#include <qgroupbox.h>
#include <qlineedit.h>
#include <qlabel.h>
#include <qgridlayout.h>
#include <qtablewidget.h>
#include <QVBoxLayout>
#include <QFileInfo>
#include <qdebug.h>
#include <QErrorMessage>
#include <QFileDialog>
#include <qdir.h>
#include <qerrormessage.h>
#include <QDirIterator>
#include <QEvent>
#include <QPaintEvent>
#include <QHBoxLayout>
#include <QTreeWidget>
#include <QStackedWidget>
#include <QProgressBar>
#include "md5thread.h"class md5Test : public QWidget
{Q_OBJECT
signals:void md5ErrorSignal(QString);void openMd5Thread();void sendPath(QString);
private slots:void searchDir();void startTest();void checkself(QTreeWidgetItem* ,int);void threadFinished();void rcevData_1(QString ,QString);//接收文件对应MD5void recvData_5(QString,QString,QDateTime);//接收text文件中获取的MD5void recvData_3(QString,QString);//接收不匹配的MD5void recvData_4(QString,QString);//接收新的MD5void recvData_2(QString,QString);//接收匹配的MD5
public:explicit md5Test(QWidget *parent = nullptr);~md5Test();void viewFileMd5();//文件及对应MD5void viewTextMd5();//txt文件中的md5void viewMismatchMd5();//显示不匹配MD5表格void viewNewMd5();//显示新的MD5表格void viewMatchMd5();//显示匹配MD5表格void initTable();//初始化表格void clearTableRow();//删除所有行
private:QTableWidget *tablewidget;QTableWidget *tablewidget_1;//匹配的QTableWidget *tablewidget_2;//不匹配的QTableWidget *tablewidget_3;//新的QTableWidget *tablewidget_4;//抓取的QPushButton *pushbutton;QPushButton *testbtn;QGroupBox *groupbox;QLineEdit *searchPathLineedit;QLineEdit *mismatchMd5NumLineEdit;QLineEdit *matchMd5NumLineEdit;QLineEdit *newMd5NumLineEdit;QLineEdit *sumMd5NumLineEdit;QLabel *searchPathLabel;QLabel *mismatchMd5Label;QLabel *matchMd5Label;QLabel *newMd5Label;QLabel *sumMd5Label;QLabel *mainwindowtitle;QVBoxLayout *layout;QGridLayout *layout_2;QString msg;QString path;QTreeWidget *treewidget;QHBoxLayout *hlayout;QStackedWidget *stackwidget;QWidget *mainwidget;QProgressBar *progressbar;md5Thread m_thread;bool ok = false;int provalue = 0;int row,row_1,row_2,row_3,row_4;
};#endif // MD5TEST_H
md5Test.cpp
#include "md5test.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QHBoxLayout>
#include <QHeaderView>
#define WINDOWTITLE "MD5检验"
md5Test::md5Test(QWidget *parent) :QWidget(parent)
{int wW = 1200;int hW = 800;this->resize(wW,hW);setWindowTitle(WINDOWTITLE);setWindowIcon(QIcon(":/new/prefix1/images/mainwidget.png"));//setWindowFlag(Qt::FramelessWindowHint,true);row = 0;row_1 = 0;row_2 = 0;row_3 = 0;row_4 = 0;QFont font;font.setFamily("黑体");font.setPixelSize(16);setFont(font);stackwidget = new QStackedWidget(this);mainwidget = new QWidget(stackwidget);tablewidget = new QTableWidget(stackwidget);tablewidget_1 = new QTableWidget(stackwidget);tablewidget_2 = new QTableWidget(stackwidget);tablewidget_3 = new QTableWidget(stackwidget);tablewidget_4 = new QTableWidget(stackwidget);mainwidget->resize(stackwidget->width(),stackwidget->height());tablewidget->resize(stackwidget->width(),stackwidget->height());tablewidget_1->resize(stackwidget->width(),stackwidget->height());tablewidget_2->resize(stackwidget->width(),stackwidget->height());tablewidget_3->resize(stackwidget->width(),stackwidget->height());tablewidget_4->resize(stackwidget->width(),stackwidget->height());stackwidget->addWidget(mainwidget);//主窗口 0stackwidget->addWidget(tablewidget);//加入文件及对应MD5显示table->index = 1stackwidget->addWidget(tablewidget_1);//加入匹配 2stackwidget->addWidget(tablewidget_2);//不匹配 3stackwidget->addWidget(tablewidget_3);//新的 4stackwidget->addWidget(tablewidget_4);//抓取的 5stackwidget->setCurrentIndex(0);/*mianwindow实现*/QFont font_main;font_main.setFamily("黑体");font_main.setPixelSize(30);mainwidget->setFont(font_main);mainwindowtitle = new QLabel(tr(" 这是MD5校验工具。"),mainwidget);groupbox = new QGroupBox(tr("常规操作显示"),this);layout_2 = new QGridLayout(groupbox);//0,ysearchPathLabel = new QLabel(tr("检查路径："),groupbox);searchPathLineedit = new QLineEdit(groupbox);pushbutton = new QPushButton(tr("选择目录"),groupbox);testbtn = new QPushButton(tr("开始检验"),groupbox);//testbtn->setMinimumSize(pushbutton->width(),pushbutton->height());//testbtn->setMaximumSize(pushbutton->width(),pushbutton->height());pushbutton->setStyleSheet("QPushButton{background:rgb(54,54,54);""color:rgb(255,255,255);}""QPushButton:hover{background:rgb(238,44,44)}");testbtn->setStyleSheet("QPushButton{background:rgb(54,54,54);""color:rgb(255,255,255);}""QPushButton:hover{background:rgb(238,44,44)}");//1,ymismatchMd5Label = new QLabel(tr("不匹配的MD5："),groupbox);mismatchMd5NumLineEdit = new QLineEdit(groupbox);matchMd5Label = new QLabel(tr("匹配的MD5序列："),groupbox);matchMd5NumLineEdit = new QLineEdit(groupbox);//2,ynewMd5Label = new QLabel(tr("新的MD5序列："),groupbox);newMd5NumLineEdit = new QLineEdit(groupbox);sumMd5Label = new QLabel(tr("总的MD5序列数："),groupbox);sumMd5NumLineEdit = new QLineEdit(groupbox);//输入框禁止输入mismatchMd5NumLineEdit->setReadOnly(true);matchMd5NumLineEdit->setReadOnly(true);newMd5NumLineEdit->setReadOnly(true);sumMd5NumLineEdit->setReadOnly(true);layout_2->addWidget(searchPathLabel,0,0,1,1);layout_2->addWidget(searchPathLineedit,0,1,1,1);layout_2->addWidget(pushbutton,0,2,1,1);layout_2->addWidget(testbtn,1,2,1,1);layout_2->addWidget(mismatchMd5Label,2,0,1,1);layout_2->addWidget(mismatchMd5NumLineEdit,2,1,1,1);layout_2->addWidget(matchMd5Label,2,2,1,1);layout_2->addWidget(matchMd5NumLineEdit,2,3,1,1);layout_2->addWidget(newMd5Label,3,0,1,1);layout_2->addWidget(newMd5NumLineEdit,3,1,1,1);layout_2->addWidget(sumMd5Label,3,2,1,1);layout_2->addWidget(sumMd5NumLineEdit,3,3,1,1);groupbox->setLayout(layout_2);layout = new QVBoxLayout(this);hlayout = new QHBoxLayout(this);//treewidget和stackedwidget水平布局treewidget = new QTreeWidget(this);hlayout->addWidget(treewidget,120);hlayout->setSpacing(1);hlayout->addWidget(stackwidget,width()-120);//进度框显示处理进度progressbar = new QProgressBar(this);progressbar->setMaximum(5);progressbar->setValue(provalue);//整体布局layout->addWidget(groupbox,140);layout->addWidget(progressbar);layout->addLayout(hlayout,height()-140);this->setLayout(layout);progressbar->hide();//treeWidget初始化QFont font_5;font_5.setPixelSize(14);treewidget->setFont(font_5);treewidget->setColumnCount(1);treewidget->setHeaderLabel(tr("MD5校验结果"));QTreeWidgetItem *file_md5 = new QTreeWidgetItem (treewidget);file_md5->setText(0,tr("MD5校验结果"));file_md5->setIcon(0,QIcon(":/new/prefix1/images/xinxi.png"));QTreeWidgetItem *item11=new QTreeWidgetItem(file_md5);item11->setText(0,"文件及对应MD5");item11->setIcon(0,QIcon(":/new/prefix1/images/wenjian.png"));QTreeWidgetItem *item12=new QTreeWidgetItem(file_md5);item12->setText(0,"抓取的MD5");item12->setIcon(0,QIcon(":/new/prefix1/images/wenjian.png"));QTreeWidgetItem *item13 = new QTreeWidgetItem(file_md5);item13->setText(0,"匹配的MD5");item13->setIcon(0,QIcon(":/new/prefix1/images/wenjian.png"));QTreeWidgetItem *item14 = new QTreeWidgetItem(file_md5);item14->setText(0,"不匹配的MD5");item14->setIcon(0,QIcon(":/new/prefix1/images/wenjian.png"));QTreeWidgetItem *item15 = new QTreeWidgetItem(file_md5);item15->setText(0,"新的MD5");item15->setIcon(0,QIcon(":/new/prefix1/images/wenjian.png"));//初始化表格initTable();connect(treewidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)), this,SLOT(checkself(QTreeWidgetItem* ,int)));connect(pushbutton,SIGNAL(clicked(bool)),this,SLOT(searchDir()));connect(testbtn,SIGNAL(clicked(bool)),this,SLOT(startTest()));connect(&m_thread,SIGNAL(finished()),this,SLOT(threadFinished()));connect(&m_thread,SIGNAL(sendData(QString,QString)),this,SLOT(rcevData_1(QString,QString)));connect(&m_thread,SIGNAL(sendTextData(QString,QString,QDateTime)),this,SLOT(recvData_5(QString,QString,QDateTime)));connect(&m_thread,SIGNAL(sendMismatchMd5(QString,QString)),this,SLOT(recvData_3(QString,QString)));connect(&m_thread,SIGNAL(sendNewMd5(QString,QString)),this,SLOT(recvData_4(QString,QString)));connect(&m_thread,SIGNAL(sendMatchMd5(QString,QString)),this,SLOT(recvData_2(QString,QString)));
}md5Test::~md5Test()
{delete tablewidget;delete pushbutton;delete groupbox;delete searchPathLineedit;delete mismatchMd5NumLineEdit;delete matchMd5NumLineEdit;delete newMd5NumLineEdit;delete sumMd5NumLineEdit;delete searchPathLabel;delete mismatchMd5Label;delete matchMd5Label;delete newMd5Label;delete sumMd5Label;delete layout;delete layout_2;delete treewidget;delete hlayout;delete tablewidget_1;delete tablewidget_2;delete tablewidget_3;delete tablewidget_4;delete stackwidget;delete mainwidget;delete mainwindowtitle;delete testbtn;
}void md5Test::threadFinished()
{progressbar->setValue(5);qDebug()<<"Thread end.";m_thread.quit();setCursor(Qt::OpenHandCursor);mismatchMd5NumLineEdit->setText(QString::number(tablewidget_2->rowCount(),10));matchMd5NumLineEdit->setText((QString::number(tablewidget_1->rowCount(),10)));newMd5NumLineEdit->setText(QString::number(tablewidget_3->rowCount(),10));sumMd5NumLineEdit->setText(QString::number(tablewidget->rowCount(),10));
}//1
void md5Test::rcevData_1(QString filepath,QString md5)
{progressbar->setValue(1);row++;tablewidget->setRowCount(row);//将读取的数据显示在表格tablewidget->setItem(row-1,0,new QTableWidgetItem(filepath));tablewidget->setItem(row-1,1,new QTableWidgetItem(md5));
}//文件中的2
void md5Test::recvData_5(QString filepath,QString md5,QDateTime time)
{progressbar->setValue(1);row_4++;tablewidget_4->setRowCount(row_4);//将读取的数据显示在表格tablewidget_4->setItem(row_4-1,0,new QTableWidgetItem(filepath));tablewidget_4->setItem(row_4-1,1,new QTableWidgetItem(md5));tablewidget_4->setItem(row_4-1,2,new QTableWidgetItem(time.toString()));
}//接受不匹配的MD5 3
void md5Test::recvData_3(QString filepath,QString md5)
{progressbar->setValue(2);row_2++;tablewidget_2->setRowCount(row_2);//将数据显示在表格、tablewidget_2->setItem(row_2-1,0,new QTableWidgetItem(filepath));tablewidget_2->setItem(row_2-1,1,new QTableWidgetItem(md5));
}//接受新的MD5 5
void md5Test::recvData_4(QString filepath,QString md5)
{progressbar->setValue(4);row_3++;tablewidget_3->setRowCount(row_3);tablewidget_3->setItem(row_3-1,0,new QTableWidgetItem(filepath));tablewidget_3->setItem(row_3-1,1,new QTableWidgetItem(md5));
}//接收匹配MD5 4
void md5Test::recvData_2(QString filepath,QString md5)
{progressbar->setValue(3);row_1++;tablewidget_1->setRowCount(row_1);tablewidget_1->setItem(row_1-1,0,new QTableWidgetItem(filepath));tablewidget_1->setItem(row_1-1,1,new QTableWidgetItem(md5));
}void md5Test::searchDir()
{//选择目录//打开文件系统QString dir = QFileDialog::getExistingDirectory(this,tr("选择路径"),"/home");searchPathLineedit->setText(dir);setWindowTitle(dir);QFile file("mydir.gaoke");if(file.open(QIODevice::WriteOnly)){QTextStream in(&file);in<<dir;}file.close();
}void md5Test::startTest()
{row = 0;row_1 = 0;row_2 = 0;row_3 = 0;row_4 = 0;QFileInfo file_info(searchPathLineedit->text());if(file_info.exists()){clearTableRow();initTable();m_thread.start();setCursor(Qt::WaitCursor);progressbar->show();}else {//检查目录不存在QErrorMessage mes(this);mes.setWindowTitle(tr("错误信息"));mes.showMessage(tr("请输入正确的检查目录！！"));mes.exec();}
}//treewidget 点击事件slot
void md5Test::checkself(QTreeWidgetItem *item,int flag)
{//qDebug()<<"treewidget item = "<<flag<<item->text(flag);QString item_data = item->text(flag);if(item_data == "文件及对应MD5"){stackwidget->setCurrentIndex(1);}if(item_data == "抓取的MD5"){stackwidget->setCurrentIndex(5);}if(item_data == "匹配的MD5"){stackwidget->setCurrentIndex(2);}if(item_data == "不匹配的MD5"){stackwidget->setCurrentIndex(3);}if(item_data == "新的MD5"){stackwidget->setCurrentIndex(4);}
}//文件及对应md5
void md5Test::viewFileMd5()
{QFont font;font.setBold(true);font.setPixelSize(14);tablewidget->setFont(font);//设置tablewidget风格tablewidget->setColumnCount(2);//设置列数QStringList listName;listName<<"文件及路径"<<"MD5序列号";tablewidget->setHorizontalHeaderLabels(listName);tablewidget->horizontalHeader()->setStretchLastSection(true);tablewidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止编辑tablewidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//平均分配列宽tablewidget->setStyleSheet("selection-background-color:rgb(0,0,255);");//单元格背景色
}//显示text中抓取的MD5表格设置
void md5Test::viewTextMd5()
{QFont font;font.setBold(true);font.setPixelSize(14);tablewidget_4->setFont(font);//设置tablewidget风格tablewidget_4->setColumnCount(3);//设置列数QStringList listName;listName<<"文件及路径"<<"MD5序列号"<<"文件创建时间";tablewidget_4->setHorizontalHeaderLabels(listName);tablewidget_4->horizontalHeader()->setStretchLastSection(true);tablewidget_4->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止编辑tablewidget_4->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//平均分配列宽tablewidget_4->setStyleSheet("selection-background-color:rgb(0,0,255);");//单元格背景色
}//显示不匹配MD5表格
void md5Test::viewMismatchMd5()
{QFont font;font.setBold(true);font.setPixelSize(14);tablewidget_2->setFont(font);//设置tablewidget风格tablewidget_2->setColumnCount(2);//设置列数QStringList listName;listName<<"文件及路径"<<"不匹配的MD5序列号";tablewidget_2->setHorizontalHeaderLabels(listName);tablewidget_2->horizontalHeader()->setStretchLastSection(true);tablewidget_2->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止编辑tablewidget_2->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//平均分配列宽tablewidget_2->setStyleSheet("selection-background-color:rgb(0,0,255);");//单元格背景色
}//显示新的MD5表格
void md5Test::viewNewMd5()
{QFont font;font.setBold(true);font.setPixelSize(14);tablewidget_3->setFont(font);//设置tablewidget风格tablewidget_3->setColumnCount(2);//设置列数QStringList listName;listName<<"文件及路径"<<"计算文件在TXT中没有的MD5序列号";tablewidget_3->setHorizontalHeaderLabels(listName);tablewidget_3->horizontalHeader()->setStretchLastSection(true);tablewidget_3->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止编辑tablewidget_3->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//平均分配列宽tablewidget_3->setStyleSheet("selection-background-color:rgb(0,0,255);");//单元格背景色
}//显示匹配MD5表格
void md5Test::viewMatchMd5()
{QFont font;font.setBold(true);font.setPixelSize(14);tablewidget_1->setFont(font);//设置tablewidget风格tablewidget_1->setColumnCount(2);//设置列数QStringList listName;listName<<"文件及路径"<<"匹配的MD5序列号";tablewidget_1->setHorizontalHeaderLabels(listName);tablewidget_1->horizontalHeader()->setStretchLastSection(true);tablewidget_1->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止编辑tablewidget_1->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//平均分配列宽tablewidget_1->setStyleSheet("selection-background-color:rgb(0,0,255);");//单元格背景色
}//初始化表格
void md5Test::initTable()
{viewFileMd5();//文件及对应md5viewTextMd5();//显示text中抓取的MD5表格设置viewMismatchMd5();//显示不匹配的MD5序列viewNewMd5();//显示新的MD5viewMatchMd5();//显示匹配MD5
}void md5Test::clearTableRow()
{for(int i = 0; i < tablewidget->rowCount();i++){tablewidget->removeRow(i);}for(int i = 0; i < tablewidget_1->rowCount();i++){tablewidget_1->removeRow(i);}for(int i = 0; i < tablewidget_2->rowCount();i++){tablewidget_2->removeRow(i);}for(int i = 0; i < tablewidget_3->rowCount();i++){tablewidget_3->removeRow(i);}for(int i = 0; i < tablewidget_4->rowCount();i++){tablewidget_4->removeRow(i);}tablewidget->clear();tablewidget_1->clear();tablewidget_2->clear();tablewidget_3->clear();tablewidget_4->clear();
}
接下来是在该进程下开的一个新线程，用于实现业务方面的处理。
md5Thread.h
#ifndef MD5THREAD_H
#define MD5THREAD_H#include <QObject>
#include <QWidget>
#include <QThread>
#include <qfileinfo.h>
#include <QDirIterator>
#include <QDateTime>
class md5Thread : public QThread
{Q_OBJECT
private slots:
signals:void sendMes(QString);void sendData(QString,QString);void sendTextData(QString,QString,QDateTime);void sendMismatchMd5(QString,QString);void sendNewMd5(QString,QString);void sendMatchMd5(QString,QString);
public:md5Thread();void run();
private:QString dir;QStringList filemd5list,md5list;bool mismatch;};#endif // MD5THREAD_H
md5Thread.cpp
#include "md5thread.h"
#include <qdebug.h>
#include <QFileDialog>
#include <QCryptographicHash>
md5Thread::md5Thread()
{mismatch = true;
}void md5Thread::run()
{qDebug()<<"MD5线程开启。";QFile file("mydir.gaoke");if(file.open(QIODevice::ReadOnly)){QTextStream get(&file);dir = get.readAll();}file.close();//定义迭代器并设置过滤器QDirIterator dir_iterator(dir,QDir::Files | QDir::NoSymLinks,QDirIterator::Subdirectories);while(dir_iterator.hasNext()){dir_iterator.next();QFileInfo file_info = dir_iterator.fileInfo();QString filepath = file_info.filePath();QDateTime filetime = file_info.birthTime();//文件创建时间//计算文件对应md5if(filepath.endsWith(".txt",Qt::CaseInsensitive) != true){QFile file(filepath);//打开用户选择的文件//读取文件计算文件md5if(file.open(QIODevice::ReadOnly))//以只读的方式打开文件并判断文件是否被成功打开{QByteArray array = file.readAll();//读取文件的所有内容//计算md5值，传入需要被计算的数据，传入计算的类型QByteArray md5 = QCryptographicHash::hash(array,QCryptographicHash::Md5);//sendMes(filepath);//将文件对应的MD5存在list中QString value = filepath +"&"+QString(md5.toHex().toUpper());filemd5list.append(value);emit sendData(filepath,QString(md5.toHex()).toUpper());//}}//抓取text文件中的md5if(filepath.endsWith(".txt",Qt::CaseInsensitive) == true){QFile textfile(filepath);if(textfile.open(QIODevice::ReadOnly|QIODevice::Text)){QTextStream get(&textfile);while(!get.atEnd()){QString data = get.readLine();if(data.contains("md5",Qt::CaseInsensitive)){//获取md5串;section获取以冒号分隔第二部分串;simplified去掉首尾空格；toUpper转换为大写QString getmd5 = data.section(":",1,1).simplified().toUpper();md5list.append(getmd5);if(getmd5 == nullptr){emit sendTextData(filepath,data,filetime);//}if(getmd5!=nullptr){emit sendTextData(filepath,getmd5,filetime);//}//获取不匹配的MD5QList<QString>::Iterator itbegin = filemd5list.begin(),itend = filemd5list.end();for(;itbegin!=itend;itbegin++){if(getmd5 == itbegin->section("&",1,1)){mismatch = false;//发送匹配的MD5序列emit sendMatchMd5(filepath,getmd5);//}}//mismatch = true没有对应MD5（表示不匹配）发送该Infoif(mismatch == true && getmd5.isEmpty() == false){emit sendMismatchMd5(filepath,getmd5);//}}mismatch = true;}}}}//获取计算文件的MD5在txt中没有匹配项（新的）QList<QString>::Iterator itb = md5list.begin(),ite = md5list.end();QList<QString>::Iterator itb_1 = filemd5list.begin(),ite_1 = filemd5list.end();bool exist = false;for(;itb_1!=ite_1;itb_1++){for(;itb!=ite;itb++){if(itb_1->section("&",1,1) == *itb){exist = true;}}if(exist == false)emit sendNewMd5(itb_1->section("&",0,0),itb_1->section("&",1,1));exist = false;}filemd5list.clear();md5list.clear();
}
入口函数main.cpp的实现：
#include "md5test.h"
#include <QApplication>int main(int argc, char *argv[])
{QApplication a(argc, argv);md5Test w;w.show();return a.exec();
}
此外在线程间的通信方式通过信号槽进行实现。