drug_sensitivity_reaction/setupuers.cpp

#include "setupuers.h"
#include "ui_setupuers.h"
#include<QMessageBox>
#include<QFileDialog>
setupuers::setupuers(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::setupuers)
{
    ui->setupUi(this);
    addtable();




  m_addusers=new addusers();
connect(m_addusers, &addusers::xinzeng, this, &setupuers::getxinzeng);

  ui->comboBox->setFixedSize(200,37);
ui->lineEdit_3->setFixedSize(157,25);
ui->lineEdit_4->setFixedSize(157,25);
ui->frame->setFixedSize(201,37);
ui->frame_2->setFixedSize(201,37);

  ui->pushButton->setFixedSize(77,37);

  ui->pushButton_3->setFixedSize(77,37);
  ui->pushButton_4->setFixedSize(77,37);

  ui->pushButton_6->setFixedSize(77,37);
  ui->tableView->setShowGrid(false);
  ui-> tableView->verticalHeader()->setVisible(false);
  ui->tableView->setItemDelegateForColumn(5, delegate);

  connect(delegate, &ButtonDelegate::editButtonClicked, this, &setupuers::bianji);

  connect(delegate, &ButtonDelegate::deleteButtonClicked, this, &setupuers::shanchu);
  ui->tableView->setShowGrid(false);
  ui-> tableView->verticalHeader()->setVisible(false);


  ui->tableView->setFixedWidth(1843);
  ui->tableView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  ui->tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  CenteredItemDelegate5* delegate = new CenteredItemDelegate5();
  ui->tableView->setItemDelegate(delegate);
  ui->tableView->horizontalHeader()->setFixedHeight(40);
  ui->tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  for (int i=1;i<=5 ;i++ ) {
      ui->tableView->setColumnWidth(i,448);

  }
  ui->tableView->setColumnWidth(0,50);
  getshui();
  m_date=new date;
  connect(m_date,SIGNAL(kaishi(QString)), this,  SLOT(getkaishi(QString)));
  m_datee=new datee;
  connect(m_datee,SIGNAL(kaishi(QString)), this,  SLOT(getkaishii(QString)));

}

setupuers::~setupuers()
{
    delete ui;
}


void setupuers::getkaishi(QString str)
{

    ui->lineEdit_4->setText(str);

}
void setupuers::getkaishii(QString str)
{

    ui->lineEdit_3->setText(str);

}
void setupuers::bianji(const QModelIndex& index)
{
       ui->tableView->setEditTriggers(QAbstractItemView::AllEditTriggers);
    qDebug() << "编辑按钮被点击，行: " << index.row() << " 列: " << index.column();
}

void setupuers::shanchu(const QModelIndex& index)
{
    int result = QMessageBox::information(NULL, "提示", "确定要删除本行内容吗", QMessageBox::Ok | QMessageBox::Cancel);
    if (result == QMessageBox::Ok) {
        qDebug() << "删除按钮被点击，行: " << index.row() << " 列: " << index.column();
        if (model->removeRow(index.row())) {
            if (model->submitAll()) {
              addtable();  // 重置视图，强制刷新界面显示

            } else {

            }
        } else {

        }
    }
}
void setupuers::addtable()
{
    model = new QSqlTableModel(this);
    model->setTable("users");//打开数据库中名为“”的表
    ui->tableView->setModel(model);
    model->select();
    ui->tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    ui->tableView->setSelectionBehavior(QAbstractItemView::SelectItems);
    ui->tableView->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableView->setAlternatingRowColors(true);
    model->setHeaderData(0,Qt::Horizontal,"序号");
    model->setHeaderData(1,Qt::Horizontal,"用户名");
    model->setHeaderData(2,Qt::Horizontal,"密码");
    model->setHeaderData(3,Qt::Horizontal,"权限");
    model->setHeaderData(4,Qt::Horizontal,"创建时间");
    model->setHeaderData(5,Qt::Horizontal,"操作");

    ui->tableView->show();
    for (int i=0;i<=model->rowCount() ;i++ ) {
        ui->tableView->setRowHeight(i,40);

    }
    for (int i=1;i<=5 ;i++ ) {
        ui->tableView->setColumnWidth(i,448);

    }

    ui->tableView->setColumnWidth(0,50);


   ui->tableView->setColumnHidden(2, true);

}


QString setupuers::gettime()
{
    QDateTime dateTime= QDateTime::currentDateTime();//获取系统当前的时间
    QString str = dateTime .toString("yyyy-MM-dd hh:mm:ss");//格式化时间

    return str;
}


//查询
void setupuers::on_pushButton_clicked()
{
    QString number1 = ui->comboBox->currentText();
    QString startTime = ui->lineEdit_4->text(); // 开始时间
    QString endTime = ui->lineEdit_3->text();   // 结束时间

    QSqlQuery query;
    QString str;

    if (ui->lineEdit_4->text() == "" || ui->lineEdit_3->text() == "") {
        // 如果时间输入框为空，执行原来的查询逻辑
        str = QString("SELECT * FROM users WHERE id LIKE '%1%'")
                  .arg(number1);
    } else {
        // 如果时间输入框不为空，增加时间段内的检索条件
        str = QString("SELECT * FROM users WHERE id LIKE '%1%' AND time BETWEEN '%2' AND '%3'")
                  .arg(number1)
                  .arg(startTime)
                  .arg(endTime);
    }

    qDebug() << str; // 输出生成的 SQL 语句，方便调试

    query.prepare(str);
    if (query.exec()) { // 确保查询执行成功
        QSqlQueryModel *model = new QSqlQueryModel;
        model->setQuery(query); // 先设置查询，这样模型就会包含查询结果
        ui->tableView->setModel(model);
        ui->tableView->show();
        model->setHeaderData(0, Qt::Horizontal, "序号");
        model->setHeaderData(1, Qt::Horizontal, "用户名");
        model->setHeaderData(2, Qt::Horizontal, "密码");
        model->setHeaderData(3, Qt::Horizontal, "权限");
        model->setHeaderData(4, Qt::Horizontal, "时间");
        model->setHeaderData(5, Qt::Horizontal, "操作");

        // 设置行高
        for (int i = 0; i < model->rowCount(); i++) {
            ui->tableView->setRowHeight(i, 50);
        }

        // 设置列宽
        for (int i = 1; i < model->columnCount(); i++) {
            ui->tableView->setColumnWidth(i, 448);
        }
        ui->tableView->setColumnWidth(0, 50); // 设置第一列宽度为 50

        // 隐藏密码列
        ui->tableView->setColumnHidden(2, true);

    } else {
        qDebug() << "Query failed:" << query.lastError().text();
    }
}


//重置
void setupuers::on_pushButton_6_clicked()
{

    model->submitAll();
    addtable();

}


//新增
void setupuers::on_pushButton_3_clicked()
{
   m_addusers->setWindowModality(Qt::ApplicationModal);


   mask_window.setWindowOpacity(0.2);

   //设置窗体的背景色,这里的百分比就是透明度
   mask_window.setStyleSheet("background-color: black;");
   mask_window.setGeometry(0, 0, 1920,1080); //获取父窗体的几何形状设置当前窗口
   mask_window.setWindowFlags(Qt::FramelessWindowHint); // 隐藏标题栏
   //对话框
   mask_window.show();
    m_addusers->show();
   //关闭窗口
   //mask_window.close();
}
void setupuers::getxinzeng()
{
    qDebug()<<"xinzeng";

    addtable();
mask_window.close();
}
//导出
void setupuers::on_pushButton_4_clicked()
{
    // QAbstractItemModel *model = ui->tableView->model();
    // if (!model) {
    //     qDebug() << "No model set on the table view.";
    //     return;
    // }
    // QString filePath = QFileDialog::getSaveFileName(this, "Export to CSV", "", "CSV Files (*.csv)");

    //     QFile file(filePath);
    //     if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
    //         qDebug() << "Could not open file for writing:" << file.errorString();
    //         return;
    //     }

    //     QTextStream out(&file);

    // // 写入表头（可选）
    // int columnCount = model->columnCount();
    // for (int col = 0; col < columnCount; ++col) {
    //     out << model->headerData(col, Qt::Horizontal, Qt::DisplayRole).toString();
    //     if (col < columnCount - 1) {
    //         out << ",";
    //     }
    // }
    // out << "\n";

    // // 写入数据行
    // int rowCount = model->rowCount();
    // for (int row = 0; row < rowCount; ++row) {
    //     for (int col = 0; col < columnCount; ++col) {
    //         QVariant data = model->data(model->index(row, col), Qt::DisplayRole);
    //         out << data.toString().replace(",", ";"); // 替换逗号以避免CSV格式问题
    //         if (col < columnCount - 1) {
    //             out << ",";
    //         }
    //     }
    //     out << "\n";
    // }

    // file.close();
    // qDebug() << "Data exported to CSV successfully.";
    QAbstractItemModel *model = ui->tableView->model();
    if (!model) {
        qDebug() << "No model set on the table view.";
        return;
    }
    QString filePath = QFileDialog::getSaveFileName(this, "Export to CSV", "", "CSV Files (*.csv)");
    if (filePath.isEmpty()) {
        return;
    }

    QFile file(filePath);
    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
        qDebug() << "Could not open file for writing:" << file.errorString();
        return;
    }

    QTextStream out(&file);

    // 写入表头（可选）
    int columnCount = model->columnCount();
    for (int col = 0; col < columnCount; ++col) {
        // 跳过第三列（索引为2）和第六列（索引为5）
        if (col == 2 || col == 5) {
            continue;
        }
        out << model->headerData(col, Qt::Horizontal, Qt::DisplayRole).toString();
        if (col < columnCount - 1 && (col!= 2 && col!= 5)) {
            out << ",";
        }
    }
    out << "\n";

    // 写入数据行
    int rowCount = model->rowCount();
    for (int row = 0; row < rowCount; ++row) {
        for (int col = 0; col < columnCount; ++col) {
            // 跳过第三列（索引为2）和第六列（索引为5）
            if (col == 2 || col == 5) {
                continue;
            }
            QVariant data = model->data(model->index(row, col), Qt::DisplayRole);
            out << data.toString().replace(",", ";"); // 替换逗号以避免CSV格式问题
            if (col < columnCount - 1 && (col!= 2 && col!= 5)) {
                out << ",";
            }
        }
        out << "\n";
    }

    file.close();
    qDebug() << "Data exported to CSV successfully.";
}
//返回

void setupuers::getshui()
{
    ui->comboBox->clear();

    QString queryString = QString("SELECT id FROM users");
    QSqlQuery mquery;
    if (!mquery.exec(queryString)) {


    }
    while (mquery.next()) {
        QVariant value = mquery.value(0); // 假设要获取的列是查询结果的第一列
        ui->comboBox->addItem(value.toString());

    }
}

void setupuers::on_pushButton_5_clicked()
{
    m_date->move(380,150);
    m_date->exec();
}


void setupuers::on_pushButton_7_clicked()
{
    m_datee->move(600,150);
    m_datee->exec();
}