操作系统课程设计，磁盘调度算法QT版本.zip

/** * @brief 操作系统课程设计_磁盘调度算法 * @details 要求： * 设计主界面以灵活选择某算法，且以下算法都要实现 * 1、先来先服务算法（FCFS） * 2、最短寻道时间优先算法（SSTF） * 3、扫描算法（SCAN） * 4、循环扫描算法（CSCAN） * 并求出每种算法的平均寻道长度。 * @author 3115005124_张逸扬 * @date 2018年1月7日18:35:28 */ #include "mainwindow.h" #include <QGridLayout> #include <QLayout> #include <QGroupBox> #include <QRadioButton> #include <QPushButton> #include <QLabel> #include <QLineEdit> #include <QTableWidget> #include <QMessageBox> #include <QHeaderView> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { setWindowTitle(tr("3115005124_张逸扬_操作系统课程设计_磁盘调度算法")); //设置标题 createDiskPage(); setCentralWidget(diskPage); } MainWindow::~MainWindow(){ } //页面布局 实现 void MainWindow::createDiskPage(){ diskPage = new QWidget; //tableGroupBox初始化及布局 tableGroupBox = new QGroupBox(tr("表格")); diskTable = new QTableWidget(9, 2); QLayout *tableLayout = new QVBoxLayout; tableLayout->addWidget(diskTable); tableGroupBox->setLayout(tableLayout); QStringList tableLabels; tableLabels << "被访问的\n下一个磁道号" << "移动距离\n（磁道数）"; diskTable->setHorizontalHeaderLabels(tableLabels); diskTable->verticalHeader()->hide(); //隐藏垂直标题 diskTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch); diskTable->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch); //algorithmGroupBox初始化及布局 algorithmGroupBox = new QGroupBox(tr("算法")); FCFSrbutton = new QRadioButton(tr("先来先服务算法（FCFS）")); //先来先服务算法 SSTFrbutton = new QRadioButton(tr("最短寻道时间优先算法（SSTF）")); //最短寻道时间优先算法 SCANrbutton = new QRadioButton(tr("扫描算法（SCAN）")); //扫描算法 CSCANrbutton = new QRadioButton(tr("循环扫描算法（CSCAN）")); //循环扫描算法 connect(FCFSrbutton, SIGNAL(clicked(bool)), this, SLOT(setorder_off())); connect(SSTFrbutton, SIGNAL(clicked(bool)), this, SLOT(setorder_off())); connect(SCANrbutton, SIGNAL(clicked(bool)), this, SLOT(setorder_on())); connect(CSCANrbutton, SIGNAL(clicked(bool)), this, SLOT(setorder_on())); orderGroupBox = new QGroupBox(tr("请选择磁头移动方向")); increaserbutton = new QRadioButton(tr("向磁道号增加方向访问")); decreaserbutton = new QRadioButton(tr("向磁道号减少方向访问")); increaserbutton->setChecked(true); QVBoxLayout *orderLayout = new QVBoxLayout; orderLayout->addWidget(increaserbutton); orderLayout->addWidget(decreaserbutton); orderGroupBox->setLayout(orderLayout); orderGroupBox->setEnabled(false); QVBoxLayout *suanfaLayout = new QVBoxLayout; suanfaLayout->addWidget(FCFSrbutton); suanfaLayout->addWidget(SSTFrbutton); suanfaLayout->addWidget(SCANrbutton); suanfaLayout->addWidget(CSCANrbutton); suanfaLayout->addWidget(orderGroupBox); algorithmGroupBox->setLayout(suanfaLayout); //operationGroupBox初始化及布局 operationGroupBox = new QGroupBox(tr("操作")); disknumLabel = new QLabel(tr("当前磁道号：")); numberEdit = new QLineEdit; //当前磁道号 runButton = new QPushButton(tr("运行")); //运行按钮 runButton->setEnabled(false); connect(runButton, SIGNAL(clicked(bool)), this, SLOT(Runclick())); InitButton = new QPushButton(tr("初始化"));; //初始化按钮 connect(InitButton, SIGNAL(clicked(bool)), this, SLOT(Initclick())); QGridLayout *caozuoLayout = new QGridLayout; caozuoLayout->setColumnStretch(0, 1); caozuoLayout->setColumnStretch(1, 1); caozuoLayout->addWidget(disknumLabel, 0, 0); caozuoLayout->addWidget(numberEdit, 0, 1); caozuoLayout->addWidget(runButton, 1, 0); caozuoLayout->addWidget(InitButton, 1, 1); operationGroupBox->setLayout(caozuoLayout); //resultGroupBox初始化及布局 resultGroupBox = new QGroupBox(tr("结果")); moveLabel = new QLabel(tr("移动磁道数：")); //移动磁道数 move_averageLabel = new QLabel(tr("平均寻道长度：")); //平均寻道长度 QVBoxLayout *resultLayout = new QVBoxLayout; resultLayout->addWidget(moveLabel); resultLayout->addWidget(move_averageLabel); resultGroupBox->setLayout(resultLayout); //页面布局 QGridLayout *pageLayout = new QGridLayout; pageLayout->setMargin(0); pageLayout->setRowStretch(0, 2); pageLayout->setRowStretch(1, 1); pageLayout->setRowStretch(2, 1); pageLayout->addWidget(tableGroupBox, 0, 0, 3, 1); pageLayout->addWidget(algorithmGroupBox, 0, 1, 1, 1); pageLayout->addWidget(operationGroupBox, 1, 1, 1, 1); pageLayout->addWidget(resultGroupBox, 2, 1, 1, 1); diskPage->setLayout(pageLayout); } //初始化 按钮响应 void MainWindow::Initclick(){ InitButton->setEnabled(false); runButton->setEnabled(true); moveLabel->setText(tr("移动磁道数：")); move_averageLabel->setText(tr("平均寻道长度：")); disk.clear(); //预输入数据1 diskTable->clearContents(); diskTable->setItem(0, 0, new QTableWidgetItem(QString::number(55))); diskTable->setItem(1, 0, new QTableWidgetItem(QString::number(58))); diskTable->setItem(2, 0, new QTableWidgetItem(QString::number(39))); diskTable->setItem(3, 0, new QTableWidgetItem(QString::number(18))); diskTable->setItem(4, 0, new QTableWidgetItem(QString::number(90))); diskTable->setItem(5, 0, new QTableWidgetItem(QString::number(160))); diskTable->setItem(6, 0, new QTableWidgetItem(QString::number(150))); diskTable->setItem(7, 0, new QTableWidgetItem(QString::number(38))); diskTable->setItem(8, 0, new QTableWidgetItem(QString::number(184))); numberEdit->setText(QString::number(100)); //预输入数据2 // diskTable->clearContents(); // diskTable->setItem(0, 0, new QTableWidgetItem(QString::number(86))); // diskTable->setItem(1, 0, new QTableWidgetItem(QString::number(147))); // diskTable->setItem(2, 0, new QTableWidgetItem(QString::number(91))); // diskTable->setItem(3, 0, new QTableWidgetItem(QString::number(177))); // diskTable->setItem(4, 0, new QTableWidgetItem(QString::number(94))); // diskTable->setItem(5, 0, new QTableWidgetItem(QString::number(150))); // diskTable->setItem(6, 0, new QTableWidgetItem(QString::number(102))); // diskTable->setItem(7, 0, new QTableWidgetItem(QString::number(175))); // diskTable->setItem(8, 0, new QTableWidgetItem(QString::number(130))); // numberEdit->setText(QString::number(143)); } //运行按钮响应 void MainWindow::Runclick(){ if(FCFSrbutton->isChecked()){ //取界面信息 runButton->setEnabled(false); getdiskTable(); Now_number = numberEdit->text().toInt(); //获取当前磁头位置 //调用算法 FCFS(); //界面显示结果 setResult(); setdiskTable(); InitButton->setEnabled(true); }else if(SSTFrbutton->isChecked()){ //取界面信息 runButton->setEnabled(false); getdiskTable(); Now_number = numberEdit->text().toInt(); //获取当前磁头位置 //调用算法 SSTF(); //界面显示结果 setResult(); setdiskTable(); InitButton->setEnabled(true); }else if(SCANrbutton->isChecked()){ //取界面信息 runButton->setEnabled(false); getdiskTable(); Now_number = numberEdit->text().toInt(); //获取当前磁头位置 //调用算�