Qt生成PDF报告

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一、示意图

二、实现部分代码

//! 生成测试报告
void MainWindow::createPdf(QString filename, _pdf_msg_& msg, const QMap<QString, int>& ok, const QMap<QString, int>& err)
{//QDir dir;if(!dir.exists("PdfFiles")) qDebug()<<dir.mkdir("PdfFiles");//创建PDF文件QString file_path = filename;QFile pdfFile(file_path);bool isOpen = pdfFile.open(QIODevice::WriteOnly);if(!isOpen){QMessageBox::warning(this,"error", pdfFile.errorString());return;}QPdfWriter *pWriter = new QPdfWriter(&pdfFile);pWriter->setPageSize(QPagedPaintDevice::A4);pWriter->setResolution(300);pWriter->setPageMargins(QMarginsF(30, 30, 30, 30));QPainter *pPainter = new QPainter(pWriter);QFont font[5] = {QFont("宋体", 26, 60), QFont("宋体", 26, 61), QFont("宋体", 26, QFont::Normal), QFont("宋体", 26, QFont::Normal), QFont("宋体", 26, QFont::Normal)};font[0].setPixelSize(86);font[1].setPixelSize(61);font[2].setPixelSize(61);font[3].setPixelSize(42);font[4].setPixelSize(54);//qDebug()<<pPainter->viewport().width()<<" "<<pPainter->viewport().height();int nPDFWidth = pPainter->viewport().width();int nPDFHeight = pPainter->viewport().height();//标题int y = 10;pPainter->setFont(font[0]);pPainter->drawText(QRect(0, y, nPDFWidth, 100), Qt::AlignCenter, msg.title);//画两条横线y += 140;pPainter->setPen(QPen(QBrush(QColor(0, 0, 0)), 5));pPainter->drawLine(0, y, nPDFWidth, y);pPainter->drawLine(0, y + 18, nPDFWidth, y + 18);//y += 60;pPainter->setFont(font[2]);pPainter->drawText(QRect(100, y, nPDFWidth/2, 70), Qt::AlignVCenter | Qt::AlignLeft, QString("产品名称: %1").arg(msg.product_name));pPainter->drawText(QRect(nPDFWidth/2 + 100 , y, nPDFWidth/2 - 100, 70), Qt::AlignVCenter | Qt::AlignLeft, QString("产品ID: %1").arg(msg.product_id));y += 90;pPainter->drawText(QRect(100, y, nPDFWidth/2, 70), Qt::AlignVCenter | Qt::AlignLeft, QString("产品型号: %1").arg(msg.product_type));pPainter->drawText(QRect(nPDFWidth/2 + 100 , y, nPDFWidth/2 - 100, 70), Qt::AlignVCenter | Qt::AlignLeft, QString("测试时间: %1").arg(msg.test_time));//小标题y += 90;pPainter->setFont(font[1]);pPainter->drawText(QRect(0, y, nPDFWidth, 80), Qt::AlignVCenter | Qt::AlignLeft, "触点比较结果");//画表格y += 110;QStringList list;list<<"序号"<<"输出点位名称"<<"结果"<<"序号"<<"输出点位名称"<<"结果";//int idx = 1;int row  = 0;int column = 0;if(caseType == CASETYPE::L3U){foreach(QString s, g_RelayContact_3U){if(s == "预留") list<<QString::number(idx)<<s<<"";else if(err.contains(s)) list<<QString::number(idx)<<s<<"不合格";else if(ok.contains(s)) list<<QString::number(idx)<<s<<"合格";else list<<QString::number(idx)<<s<<"未检测";++idx;}row = g_RelayContact_3U.length()/2+1;column = 6;}else{foreach(QString s, g_RelayContact_6U){if(s == "预留") list<<QString::number(idx)<<s<<"";else if(err.contains(s)) list<<QString::number(idx)<<s<<"不合格";else if(ok.contains(s)) list<<QString::number(idx)<<s<<"合格";else list<<QString::number(idx)<<s<<"未检测";++idx;}row = g_RelayContact_6U.length()/2+1;column = 6;}pdfDrawForm(pWriter, pPainter, y, 0, row, column, 80, font[3], list);//!//小标题y += 90;pPainter->setFont(font[1]);pPainter->drawText(QRect(0, y, nPDFWidth, 80), Qt::AlignVCenter | Qt::AlignLeft, "不合格点位");////画表格y += 110;list.clear();list<<"序号"<<"输出点位名称"<<"结果"<<"序号"<<"输出点位名称"<<"结果";//idx = 1;row  = 0;column = 0;if(caseType == CASETYPE::L3U){for(auto  it = err.begin(); it != err.end(); ++it){list<<QString::number(it.value())<<it.key()<<"不合格";}row = err.size()/2+1;column = 6;}else{for(auto it = err.begin(); it != err.end(); ++it){list<<QString::number(it.value())<<it.key()<<"不合格";}row =err.size()/2+1;column = 6;}pdfDrawForm(pWriter, pPainter, y, 0, row, column, 80, font[3], list);//pPainter->setFont(font[4]);pPainter->drawText(QRect(50, nPDFHeight, nPDFWidth/3, 80), Qt::AlignVCenter | Qt::AlignLeft, QString( "试验员: %1").arg(msg.tester_name));pPainter->drawText(QRect(nPDFWidth/3+50, nPDFHeight, nPDFWidth/3, 80), Qt::AlignVCenter | Qt::AlignLeft, QString( "检查员签字: "));pPainter->drawText(QRect(nPDFWidth/3*2, nPDFHeight, nPDFWidth/3, 80), Qt::AlignVCenter | Qt::AlignLeft, QString( "签字日期: "));//绘制完毕delete pPainter;delete pWriter;pdfFile.close();//通过其他PDF阅读器来打开PDFQDesktopServices::openUrl(QUrl::fromLocalFile(file_path));
}

void MainWindow::pdfDrawForm(QPdfWriter *pWriter, QPainter *paint, int& y, int horzBorder, int row, int column, int unitHeight, QFont &font, QStringList &list)
{paint->setFont(font);paint->setPen(QPen(QBrush(QColor(0, 0, 0)), 2));int Width = paint->viewport().width() - horzBorder * 2;int unitWidth = Width / column;for(int i=0;i<row;i++) {int x = horzBorder;for(int j=0;j<column;j++) {paint->drawText(QRect(x, y, unitWidth, unitHeight), Qt::AlignCenter, list[i*column + j]);paint->drawRect(QRect(x, y, unitWidth, unitHeight));x += unitWidth;}y += unitHeight;if(y > paint->viewport().height()){pWriter->newPage();y = 10;}}
}

总结

记录下用到的不常用知识点