《QT实用小工具·十七》密钥生成工具-编程知识

《QT实用小工具·十七》密钥生成工具

1、概述
源码放在文章末尾

该项目主要用于生成密钥，下面是demo演示：
在这里插入图片描述

项目部分代码如下：

#pragma execution_character_set("utf-8")#include "frmmain.h"
#include "ui_frmmain.h"
#include "qmessagebox.h"
#include "qfile.h"
#include "qprocess.h"
#include "qdebug.h"frmMain::frmMain(QWidget *parent) : QWidget(parent), ui(new Ui::frmMain)
{ui->setupUi(this);this->initForm();qDebug() << this->getCpuName() << this->getCpuId() << this->getDiskNum();
}frmMain::~frmMain()
{delete ui;
}void frmMain::initForm()
{QStringList min;min << "1" << "5" << "10" << "20" << "30";for (int i = 1; i <= 24; i++) {min << QString::number(i * 60);}ui->cboxMin->addItems(min);ui->cboxMin->setCurrentIndex(1);ui->dateEdit->setDate(QDate::currentDate());for (int i = 5; i <= 150; i = i + 5) {ui->cboxCount->addItem(QString("%1").arg(i));}
}QString frmMain::getWMIC(const QString &cmd)
{//获取cpu名称：wmic cpu get Name//获取cpu核心数：wmic cpu get NumberOfCores//获取cpu线程数：wmic cpu get NumberOfLogicalProcessors//查询cpu序列号：wmic cpu get processorid//查询主板序列号：wmic baseboard get serialnumber//查询BIOS序列号：wmic bios get serialnumber//查看硬盘：wmic diskdrive get serialnumberQProcess p;p.start(cmd);p.waitForFinished();QString result = QString::fromLocal8Bit(p.readAllStandardOutput());QStringList list = cmd.split(" ");result = result.remove(list.last(), Qt::CaseInsensitive);result = result.replace("\r", "");result = result.replace("\n", "");result = result.simplified();return result;
}QString frmMain::getCpuName()
{return getWMIC("wmic cpu get name");
}QString frmMain::getCpuId()
{return getWMIC("wmic cpu get processorid");
}QString frmMain::getDiskNum()
{return getWMIC("wmic diskdrive where index=0 get serialnumber");
}QString frmMain::getXorEncryptDecrypt(const QString &data, char key)
{//采用异或加密,也可以自行更改算法QByteArray buffer = data.toLatin1();int size = buffer.size();for (int i = 0; i < size; i++) {buffer[i] = buffer.at(i) ^ key;}return QLatin1String(buffer);
}void frmMain::on_btnOk_clicked()
{bool useDate = ui->ckDate->isChecked();bool useRun = ui->ckRun->isChecked();bool useCount = ui->ckCount->isChecked();if (!useDate && !useRun && !useCount) {if (QMessageBox::question(this, "询问", "确定要生成没有任何限制的密钥吗?") != QMessageBox::Yes) {return;}}QString strDate = ui->dateEdit->date().toString("yyyy-MM-dd");QString strRun = ui->cboxMin->currentText();QString strCount = ui->cboxCount->currentText();QString key = QString("%1|%2|%3|%4|%5|%6").arg(useDate).arg(strDate).arg(useRun).arg(strRun).arg(useCount).arg(strCount);QFile file(QApplication::applicationDirPath() + "/key.db");file.open(QFile::WriteOnly | QIODevice::Text);file.write(getXorEncryptDecrypt(key, 110).toLatin1());file.close();QMessageBox::information(this, "提示", "生成密钥成功,将 key.db 文件拷贝到对应目录即可!");
}void frmMain::on_btnClose_clicked()
{this->close();
}