基于Qt的文献管理系统.zip学习资料程序

#include "mainuiform.h" #include "ui_mainuiform.h" #include <_BK/Global/exeGlobal.h> #include <QMessageBox> #include <QFileDialog> mainUIForm::mainUIForm(QWidget *parent) : QMainWindow(parent) , ui(new Ui::mainUIForm) { ui->setupUi(this); if(PRMS::g_currentRole){ ui->statusbar->showMessage("您现在是管理员权限!"); } else{ ui->tableWidget->setEditTriggers(QTableWidget::NoEditTriggers); ui->statusbar->showMessage("您现在是普通权限!"); } this->showMaximized(); ui->tableWidget->setColumnWidth(0, 400); ui->tableWidget->setColumnWidth(1, 300); ui->tableWidget->setColumnWidth(2, 700); ui->tableWidget->setColumnWidth(3, 200); ui->tableWidget->setColumnWidth(4, 150); fillTable(); } mainUIForm::~mainUIForm() { delete ui; } void mainUIForm::fillTable() { while (ui->tableWidget->rowCount()) { ui->tableWidget->removeRow(0); } int i = 0; for(auto& _it : PRMS::g_referenceList){ ui->tableWidget->insertRow(i); ui->tableWidget->setItem(i, 0, new QTableWidgetItem(_it.getDOI())); ui->tableWidget->setItem(i, 1, new QTableWidgetItem(_it.getAuthor())); ui->tableWidget->setItem(i, 2, new QTableWidgetItem(_it.getTitle())); ui->tableWidget->setItem(i, 3, new QTableWidgetItem(_it.getJournal())); ui->tableWidget->setItem(i, 4, new QTableWidgetItem(_it.getYear())); ui->tableWidget->setItem(i, 5, new QTableWidgetItem(_it.getType())); ++i; } } void mainUIForm::TableToJson(QString _file) { /// table 传入json文件 QFile file(_file); file.open(QIODevice::ReadWrite); QByteArray data = file.readAll(); file.resize(0); QJsonArray _array; QJsonObject _root; for(int i = 0; i < ui->tableWidget->rowCount(); ++i){ QJsonObject _leaf; _leaf.insert("doi", ui->tableWidget->item(i, 0)->text()); _leaf.insert("author", ui->tableWidget->item(i, 1)->text()); _leaf.insert("title", ui->tableWidget->item(i, 2)->text()); _leaf.insert("journal", ui->tableWidget->item(i, 3)->text()); _leaf.insert("year", ui->tableWidget->item(i, 4)->text()); _leaf.insert("type", ui->tableWidget->item(i, 5)->text()); _array.append(_leaf); } _root.insert("Reference", _array); //初始化JsonDocument QJsonDocument jsonDocument; jsonDocument.setObject(_root); //JsonDocument转为ByteArray QByteArray byteArray = jsonDocument.toJson(QJsonDocument::Indented); QString _jsonStr(byteArray.data()); file.write(_jsonStr.toUtf8()); file.close(); } void mainUIForm::on_lineEdit_textChanged(const QString &arg1) { while (ui->tableWidget->rowCount()) { ui->tableWidget->removeRow(0); } for(auto & _it : PRMS::g_referenceList){ if(_it.getDOI().contains(arg1) || _it.getAuthor().contains(arg1) || _it.getTitle().contains(arg1) || _it.getJournal().contains(arg1) || _it.getYear().contains(arg1) || _it.getType().contains(arg1)){ int i = ui->tableWidget->rowCount(); ui->tableWidget->insertRow(i); ui->tableWidget->setItem(i, 0, new QTableWidgetItem(_it.getDOI())); ui->tableWidget->setItem(i, 1, new QTableWidgetItem(_it.getAuthor())); ui->tableWidget->setItem(i, 2, new QTableWidgetItem(_it.getTitle())); ui->tableWidget->setItem(i, 3, new QTableWidgetItem(_it.getJournal())); ui->tableWidget->setItem(i, 4, new QTableWidgetItem(_it.getYear())); ui->tableWidget->setItem(i, 5, new QTableWidgetItem(_it.getType())); } } } void mainUIForm::on_tableWidget_itemDoubleClicked(QTableWidgetItem *item) { if(PRMS::g_currentRole == 0){ return; } if(QMessageBox::information(this, "提 示", "请选择删除还是维护该条信息!", "维护信息", "删除") == 0){ return; } else{ QString _doi = ui->tableWidget->item(item->row(), 0)->text(); ui->tableWidget->removeRow(item->row()); for(int i = 0; i < PRMS::g_referenceList.size(); ++i){ if(PRMS::g_referenceList.at(i).getDOI().compare(_doi) == 0){ PRMS::g_referenceList.removeAt(i); } } return; } } void mainUIForm::on_action_O_triggered() { QString filePath = QFileDialog::getOpenFileName(this, tr("选择导入文件"), tr("..\\json"), QStringLiteral("*.json")); if(filePath.isEmpty()) { return; } PRMS::readReferenceFromJson(filePath); fillTable(); } void mainUIForm::on_action_N_triggered() { if(m_refadd == nullptr){ m_refadd = new ReferAdd; } m_refadd->clearThis(); m_refadd->setWindowTitle("文献添加"); if(m_refadd->exec() == QDialog::Accepted){ fillTable(); } } void mainUIForm::on_action_S_triggered() { QString filePath = QFileDialog::getSaveFileName(this, tr("选择保存路径"), tr("..\\json"), QStringLiteral("*.json")); if(filePath.isEmpty()) { return; } this->TableToJson(filePath); }