C++课设：基于qt的简单联系人系统.zip

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); setWindowTitle("通讯录管理系统"); setWindowFlags(Qt::Window); contactDialog = new ContactDialog(this); contactList = new QList<Contact*>(); QTableWidget *tableWidget = ui->centralwidget->findChild<QTableWidget*>("tableWidget"); tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch); connect(ui->actionadd, &QAction::triggered, this, [=]() { qDebug() << "add"; contactDialog->setWindowTitle(QString("添加联系人")); int status = contactDialog->exec(); if (status == QDialog::Accepted) { Contact *contact = getDialogContact(); contact->setSeq(contactList->size()); contactList->insert(contactList->size(), contact); } contactDialog->clear(); refreshTable(); }); connect(ui->actionedit, &QAction::triggered, this, [=]() { qDebug() << "edit"; Contact *contact = contactList->at(tableWidget->currentRow()); contactDialog->setName(contact->getName()); contactDialog->setUnit(contact->getUnit()); contactDialog->setPhone(contact->getPhone()); contactDialog->setEmail(contact->getEmail()); contactDialog->initEditReadOnly(true); contactDialog->setWindowTitle(QString("修改联系人")); int status = contactDialog->exec(); if (status == QDialog::Accepted) { Contact *item = getDialogContact(); contactList->replace(contact->getSeq(), item); } contactDialog->clear(); refreshTable(); }); connect(ui->actiondelete, &QAction::triggered, this, [=]() { qDebug() << "deleted"; qDebug() << "size: " + QString(tableWidget->currentRow()); contactList->removeAt(tableWidget->currentRow()); refreshTable(); }); connect(ui->centralwidget->findChild<QPushButton*>("resetBtn"), &QPushButton::clicked, this, [=]() { QLineEdit *nameSearch = ui->centralwidget->findChild<QLineEdit*>("nameSearch"); QLineEdit *phoneSearch = ui->centralwidget->findChild<QLineEdit*>("phoneSearch"); qDebug() << "clear"; nameSearch->clear(); phoneSearch->clear(); }); connect(ui->centralwidget->findChild<QPushButton*>("searchBtn"), &QPushButton::clicked, this, [=]() { qDebug() << "search"; refreshTable(); }); tableWidget->horizontalHeader()->setStretchLastSection(true); // 设置充满表宽度 tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers); tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows); tableWidget->setSelectionMode(QAbstractItemView::SingleSelection); tableWidget->setColumnCount(4); readContact(); refreshTable(); } MainWindow::~MainWindow() { delete ui; } void MainWindow::refreshTable() { QTableWidget *tableWidget = ui->centralwidget->findChild<QTableWidget*>("tableWidget"); QLineEdit *nameSearch = ui->centralwidget->findChild<QLineEdit*>("nameSearch"); QLineEdit *phoneSearch = ui->centralwidget->findChild<QLineEdit*>("phoneSearch"); QList<Contact*> *filterContactList = new QList<Contact*>(); for (int i = 0; i < contactList->size(); i ++) { Contact *contact = contactList->at(i); if (!nameSearch->text().trimmed().isEmpty()) { qDebug() << "name search:" << nameSearch->text().trimmed(); if (contact->getName().isEmpty() | !contact->getName().contains(nameSearch->text().trimmed(), Qt::CaseSensitive)) { continue; } qDebug() << "add name"; } if (!phoneSearch->text().trimmed().isEmpty()) { qDebug() << "phone search:" << phoneSearch->text().trimmed(); if (contact->getPhone().isEmpty() | !contact->getPhone().contains(phoneSearch->text().trimmed(), Qt::CaseSensitive)) { continue; } qDebug() << "add phone"; } filterContactList->insert(filterContactList->size(), contact); qDebug() << "show data:" << contact->getName() << ":" << contact->getUnit() << ":" << contact->getPhone() << ":" << contact->getEmail(); } tableWidget->setRowCount(filterContactList->size()); for (int i = 0; i < filterContactList->size(); i ++) { Contact *contact = filterContactList->at(i); tableWidget->setItem(i, 0, new QTableWidgetItem(contact->getName())); tableWidget->setItem(i, 1, new QTableWidgetItem(contact->getUnit())); tableWidget->setItem(i, 2, new QTableWidgetItem(contact->getPhone())); tableWidget->setItem(i, 3, new QTableWidgetItem(contact->getEmail())); qDebug() << "data:" << contact->getName() << ":" << contact->getUnit() << ":" << contact->getPhone() << ":" << contact->getEmail(); } writeContact(); } Contact* MainWindow::getDialogContact() { QString name = contactDialog->getName(); QString unit = contactDialog->getUnit(); QString phone = contactDialog->getPhone(); QString email = contactDialog->getEmail(); Contact *contact = new Contact(name, unit, phone, email); return contact; } void MainWindow::readContact() { QFile file("contact.txt"); if (!file.open(QIODevice::ReadOnly)) return; contactList->clear(); int i = 0; while (!file.atEnd()) { QByteArray line = file.readLine(); QList<QByteArray> contactByteList = line.replace("\n", "").split(','); qDebug() << "read: " << QString(line) << ":" << contactByteList.size(); Contact *contact = new Contact(QString(contactByteList.at(0)), QString(contactByteList.at(1)), QString(contactByteList.at(2)), QString(contactByteList.at(3))); contact->setSeq(i); i ++; contactList->insert(i, contact); } qDebug() << "read complete contact size: " << contactList->size(); } void MainWindow::writeContact() { QFile file("contact.txt"); if (!file.open(QIODevice::WriteOnly)) return; QTextStream out(&file); qDebug() << "contact size: " << contactList->size(); for (int i = 0; i < contactList->size(); i ++) { Contact *contact = contactList->at(i); QString *contactString = new QString; contactString->append(contact->getName()).append(","); contactString->append(contact->getUnit()).append(","); contactString->append(contact->getPhone()).append(","); contactString->append(contact->getEmail()).append("\n"); qDebug() << contactString->toUtf8(); out << contactString->toUtf8(); } }