drug_sensitivity_reaction/printpage.cpp

#include "printpage.h"
#include "ui_printpage.h"

printpage::printpage(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::printpage)
{
    ui->setupUi(this);
}

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

void printpage::on_pushButton_clicked()
{
    QPrinter printer(QPrinter::HighResolution);
    QPrintDialog dialog(&printer, this);

    if (dialog.exec() == QDialog::Accepted) {
        printWidget(&printer); // 打印页面内容
    }
}

// 打印文本
void printpage::printWidget(QPrinter *printer) {

    QPainter painter(printer);

    // 1. 获取打印机的实际可打印区域（去除边距）
    QRectF pageRect = printer->pageRect(QPrinter::DevicePixel);

    // 2. 加载要打印的内容（例如：QPixmap或绘制内容）
    QPixmap content =  ui->frame->grab(); // 如果是整个窗口

    // 3. 缩放内容以适应页面
    painter.drawPixmap(pageRect, content, content.rect());

    painter.end();
    this->close();
}
// void printpage::loadCsvToTableWidget(const QString& filePath, QTableWidget* tableWidget)
// {
//     QFile file(filePath);
//     if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
//         QTextStream in(&file);
//         QString line = in.readLine();
//         QStringList headers = line.split(",");
//         tableWidget->setColumnCount(headers.size());
//         tableWidget->setHorizontalHeaderLabels(headers);
//         int row = 0;
//         while (!in.atEnd()) {
//             line = in.readLine();
//             QStringList fields = line.split(",");
//             tableWidget->insertRow(row);
//             for (int col = 0; col < fields.size(); ++col) {
//                 QTableWidgetItem* item = new QTableWidgetItem(fields[col]);
//                 tableWidget->setItem(row, col, item);
//             }
//             row++;
//         }
//         file.close();
//     } else {
//         // 文件打开失败的处理
//         qDebug() << "Error opening file: "<< file.errorString();
//     }


//     for (int i=0;i<=ui->tableWidget->rowCount() ;i++ ) {
//         ui->tableWidget->setRowHeight(i,31);}
//     for (int i=0;i<=ui->tableWidget->columnCount() ;i++ ) {
//         ui->tableWidget->setColumnWidth(i,119);}

// }
void printpage::loadCsvToTableWidget(const QString& filePath, QTableWidget* tableWidget)
{
    QFile file(filePath);
    if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
        QTextStream in(&file);

        // 读取标题行
        QString line = in.readLine();
        QStringList headers = line.split(",");

        // 自定义标题
        QStringList customHeaders;
        customHeaders << "序号" << "抗菌药物" <<"MIC值（μg/mL）"<< "结果" << "ECV" << "S" << "I" << "SDD" << "R";

        // 设置列数（使用自定义标题的数量）
        tableWidget->setColumnCount(customHeaders.size());
        tableWidget->setHorizontalHeaderLabels(customHeaders);

        int row = 0;
        while (!in.atEnd()) {
            line = in.readLine();
            QStringList fields = line.split(",");
            tableWidget->insertRow(row);

            for (int col = 0; col < customHeaders.size(); ++col) {

                if (col == 2) {
                    QString value = (fields.size() > 9) ? fields[9] : "";
                    QTableWidgetItem* item = new QTableWidgetItem(value);
                    item->setTextAlignment(Qt::AlignCenter);
                    tableWidget->setItem(row, 3, item);
                }
                else if (col == 3) {
                    QString value = (fields.size() > 3) ? fields[3] : "";
                    QTableWidgetItem* item = new QTableWidgetItem(value);
                    item->setTextAlignment(Qt::AlignCenter);
                    tableWidget->setItem(row, 2, item);
                }
                else if (col == 9) {
                    QString value = (fields.size() > 2) ? fields[2] : "";
                    QTableWidgetItem* item = new QTableWidgetItem(value);
                    item->setTextAlignment(Qt::AlignCenter);
                    tableWidget->setItem(row, col, item);
                }
                // 其他列正常显示
                else {
                    QString value = (col < fields.size()) ? fields[col] : "";
                    QTableWidgetItem* item = new QTableWidgetItem(value);
                    item->setTextAlignment(Qt::AlignCenter);
                    tableWidget->setItem(row, col, item);
                }
            }
            row++;
        }
        file.close();
        tableWidget->setColumnHidden(9, true); // 如果需要完全隐藏列
        // 设置行高和列宽
        for (int i = 0; i < tableWidget->rowCount(); i++) {
            tableWidget->setRowHeight(i, 30);
        }
        for (int i = 0; i < tableWidget->columnCount(); i++) {
            tableWidget->setColumnWidth(i, 132);
        }

    } else {
        qDebug() << "Error opening file: " << file.errorString();
    }
}
void printpage::getprint(QString s)
{

    ui->tableWidget->clear();
    loadCsvToTableWidget(s, ui->tableWidget);

    qDebug()<<"查到了";

}