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@@ -19,9 +19,45 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.github.jfcloud.influxdb.flux.AggregationWindow;
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import com.google.common.collect.Lists;
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+import com.itextpdf.awt.DefaultFontMapper;
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+import com.itextpdf.io.image.ImageData;
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+import com.itextpdf.io.image.ImageDataFactory;
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+import com.itextpdf.kernel.colors.ColorConstants;
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+import com.itextpdf.kernel.font.PdfFont;
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+import com.itextpdf.kernel.font.PdfFontFactory;
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+import com.itextpdf.kernel.geom.PageSize;
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+import com.itextpdf.kernel.geom.Rectangle;
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+import com.itextpdf.kernel.pdf.PdfDocument;
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+import com.itextpdf.kernel.pdf.PdfWriter;
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+import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
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+import com.itextpdf.layout.Canvas;
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+import com.itextpdf.layout.Document;
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+import com.itextpdf.layout.element.*;
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+import com.itextpdf.layout.properties.HorizontalAlignment;
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+import com.itextpdf.layout.properties.TextAlignment;
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+import com.itextpdf.text.BadElementException;
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+import com.itextpdf.text.pdf.PdfContentByte;
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+import com.itextpdf.text.pdf.PdfTemplate;
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import jakarta.servlet.http.HttpServletResponse;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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+import org.jfree.chart.ChartFactory;
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+import org.jfree.chart.JFreeChart;
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+import org.jfree.chart.StandardChartTheme;
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+import org.jfree.chart.axis.CategoryAxis;
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+import org.jfree.chart.axis.CategoryLabelPositions;
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+import org.jfree.chart.axis.NumberAxis;
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+import org.jfree.chart.axis.ValueAxis;
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+import org.jfree.chart.plot.CategoryPlot;
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+import org.jfree.chart.plot.PlotOrientation;
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+import org.jfree.chart.plot.XYPlot;
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+import org.jfree.chart.renderer.category.LineAndShapeRenderer;
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+import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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+import org.jfree.data.category.CategoryDataset;
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+import org.jfree.data.category.DefaultCategoryDataset;
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+import org.jfree.data.xy.XYSeries;
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+import org.jfree.data.xy.XYDataset;
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+import org.jfree.data.xy.XYSeriesCollection;
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import org.springframework.stereotype.Service;
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import vip.xiaonuo.auth.core.util.StpLoginUserUtil;
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import vip.xiaonuo.coldchain.core.bean.influxdb.SensorData;
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@@ -39,11 +75,14 @@ import vip.xiaonuo.coldchain.modular.monitortargetregion.service.MonitorTargetRe
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import vip.xiaonuo.common.enums.CommonDeleteFlagEnum;
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import vip.xiaonuo.common.exception.CommonException;
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-import java.io.IOException;
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-import java.io.OutputStream;
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+import java.awt.*;
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+import java.awt.image.BufferedImage;
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+import java.io.*;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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+import java.text.SimpleDateFormat;
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import java.util.*;
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+import java.util.List;
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import java.util.concurrent.TimeUnit;
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import java.util.function.Consumer;
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import java.util.function.Supplier;
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@@ -502,7 +541,7 @@ public class AppDeviceService {
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return monitorTargetRegionService.updateById(monitorTargetRegion);
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}
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- public void export(HttpServletResponse response, AppTrendParam trendParam) {
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+ /*public void export(HttpServletResponse response, AppTrendParam trendParam) {
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StopWatch stopWatch = new StopWatch("传感器数据导出");
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stopWatch.start("查询设备信息");
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@@ -554,22 +593,330 @@ public class AppDeviceService {
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exportParamList.add(exportParamOut);
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}
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}
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- String fileName = "传感器数据";
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- String sheetName = "传感器数据";
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- response.setContentType("application/vnd.ms-excel");
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+
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+ String fileName = "传感器数据.pdf";
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+ response.setContentType("application/pdf");
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response.setCharacterEncoding("utf-8");
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+ response.setHeader("Content-disposition", "attachment;filename*=utf-8''" +
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+ URLEncoder.encode(fileName, StandardCharsets.UTF_8));
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- response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + URLEncoder.encode(fileName, StandardCharsets.UTF_8) + ".xls");
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try (OutputStream outputStream = response.getOutputStream()) {
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- EasyExcel.write(outputStream, ExportParam.class)
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- .excelType(ExcelTypeEnum.XLS)
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- .sheet(sheetName)
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- .doWrite(exportParamList);
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+ // 1. 初始化PDF文档
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+ PdfWriter writer = new PdfWriter(outputStream);
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+ PdfDocument pdfDoc = new PdfDocument(writer);
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+ Document document = new Document(pdfDoc, PageSize.A4.rotate());
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+
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+ // 2. 创建表格（根据字段数量设置列数）
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+ Table table = new Table(ExportParam.class.getDeclaredFields ().length); // 时间、区域、设备编码、传感器路数、数据类型、数据值
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+ table.useAllAvailableWidth();
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+
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+ // 3. 添加表格标题
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+ Paragraph title = new Paragraph("传感器数据报表")
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+ .setTextAlignment(TextAlignment.CENTER)
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+ .setFontSize(16);
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+ document.add(title);
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+
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+ // 4. 添加表头
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+ String[] headers = {"时间", "区域名称", "设备编码", "传感器路数", "数据类型", "数据值"};
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+ for (String header : headers) {
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+ table.addHeaderCell(new Cell().add(new Paragraph(header))
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+ .setFont(PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H"))
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+ .setBackgroundColor(ColorConstants.LIGHT_GRAY)
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+ .setTextAlignment(TextAlignment.CENTER));
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+ }
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+
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+ // 5. 填充表格数据
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+ for (ExportParam param : exportParamList) {
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+ addPdfTableRow(table, param.getTime());
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+ addPdfTableRow(table, param.getRegionName());
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+ addPdfTableRow(table, param.getDeviceCode());
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+ addPdfTableRow(table, String.valueOf(param.getSensorRoad()));
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+ addPdfTableRow(table, param.getDataType());
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+ addPdfTableRow(table, String.valueOf(param.getData()));
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+ }
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+
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+ // 6. 将表格加入文档
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+ document.add(table);
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+
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+ // 7. 关闭资源
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+ document.close();
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+ log.info("PDF生成完成");
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+
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} catch (IOException e) {
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- throw new RuntimeException(e);
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+ throw new RuntimeException("PDF生成失败", e);
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+ } finally {
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+ stopWatch.stop();
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+ log.info("PDF导出耗时：{}", stopWatch.prettyPrint(TimeUnit.MILLISECONDS));
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+ }
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+ }
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+
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+ // 辅助方法：添加表格单元格
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+ private void addPdfTableRow(Table table, String content) throws IOException {
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+ table.addCell(new Cell().add(new Paragraph(content))
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+ .setFont(PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H"))
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+ .setTextAlignment(TextAlignment.CENTER));
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+ }*/
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+ public void export(HttpServletResponse response, AppTrendParam trendParam) {
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+ StopWatch stopWatch = new StopWatch("传感器数据导出");
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+
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+ stopWatch.start("查询设备信息");
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+ MonitorTargetRegion monitorTargetRegion = monitorTargetRegionService.findOneByDeviceCodeAndSensorNo(trendParam.getSensorCode(), trendParam.getRoads());
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+ stopWatch.stop();
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+ if (Objects.isNull(monitorTargetRegion)) {
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+ throw new CommonException("未找到设备编号 [{}] 和传感器编号 [{}] 对应的监控目标区域。", trendParam.getSensorCode(), trendParam.getRoads());
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+ }
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+
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+ stopWatch.start("查询传感器数据");
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+ AppDeviceQueryParams appDeviceQueryParams = BeanUtil.copyProperties(trendParam, AppDeviceQueryParams.class);
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+ appDeviceQueryParams.setSensorRoute(trendParam.getRoads());
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+ SensorEchartDataResult sensorEchartDataResult = queryDataByDeviceIdAndRoads(appDeviceQueryParams);
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+ stopWatch.stop();
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+
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+ // 计算统计信息
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+ stopWatch.start("计算统计信息");
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+ List<Float> temperatureData = sensorEchartDataResult.getTemperature().getY();
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+ float maxTemp = Collections.max(temperatureData);
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+ float minTemp = Collections.min(temperatureData);
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+ float avgTemp = (float) temperatureData.stream().mapToDouble(f -> f).average().orElse(0.0);
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+ stopWatch.stop();
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+
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+ stopWatch.start("导出数据");
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+ List<ExportParam> exportParamList = new ArrayList<>();
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+ ExportParam exportParam = new ExportParam();
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+ exportParam.setRegionName(monitorTargetRegion.getName());
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+ exportParam.setDeviceCode(trendParam.getSensorCode());
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+ exportParam.setSensorRoad(trendParam.getRoads());
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+ String sensorType = monitorTargetRegion.getSensorType().toUpperCase();
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+
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+ // 仅处理温度数据（'W'类型）
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+ if (sensorType.contains("W")) {
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+ exportParam.setDataType("温度");
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+ LinkedHashSet<String> x = sensorEchartDataResult.getTemperature().getX();
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+ List<Float> y = sensorEchartDataResult.getTemperature().getY();
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+ int i = 0;
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+ for (String time : x) {
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+ ExportParam exportParamOut = BeanUtil.copyProperties(exportParam, ExportParam.class);
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+ exportParamOut.setTime(time);
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+ exportParamOut.setData(y.get(i));
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+ exportParamList.add(exportParamOut);
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+ i++;
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+ }
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+ }
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+
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+ String fileName = "传感器数据报告.pdf";
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+ response.setContentType("application/pdf");
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+ response.setCharacterEncoding("utf-8");
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+ response.setHeader("Content-disposition", "attachment;filename*=utf-8''" +
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+ URLEncoder.encode(fileName, StandardCharsets.UTF_8));
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+
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+ try (OutputStream outputStream = response.getOutputStream()) {
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+ PdfFont chineseFont = PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H");
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+ PdfWriter writer = new PdfWriter(outputStream);
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+ PdfDocument pdfDoc = new PdfDocument(writer);
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+ Document document = new Document(pdfDoc, PageSize.A4);
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+ document.setMargins(15, 20, 10, 20);
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+
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+ // 报告标题
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+ Paragraph title = new Paragraph("传感器数据报告")
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+ .setFont(chineseFont)
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+ .setTextAlignment(TextAlignment.CENTER)
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+ .setFontSize(20)
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+ .setBold()
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+ .setMarginBottom(10);
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+ document.add(title);
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+
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+ // 报告下载时间
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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+ Paragraph downloadTime = new Paragraph("报告下载时间: " + sdf.format(new Date()))
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+ .setFont(chineseFont)
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+ .setFontSize(10)
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+ .setTextAlignment(TextAlignment.LEFT);
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+ document.add(downloadTime);
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+
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+ Paragraph deviceInfo = new Paragraph("设备信息")
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+ .setFont(chineseFont)
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+ .setTextAlignment(TextAlignment.CENTER)
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+ .setFontSize(15)
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+ .setBold()
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+ .setMarginBottom(2);
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+ document.add(deviceInfo);
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+
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+ // 设备信息表格
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+ Table deviceTable = new Table(new float[]{2, 3, 2, 3}).useAllAvailableWidth();
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+ addDeviceTableRow(deviceTable, "设备名称:", monitorTargetRegion.getName().split("-")[0], "温度上限:", monitorTargetRegion.getTemperatureUp() + "°C");
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+ addDeviceTableRow(deviceTable, "点位名称:", monitorTargetRegion.getName(), "温度下限:", monitorTargetRegion.getTemperatureDown() + "");
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+ addDeviceTableRow(deviceTable, "冷链设备编号:", trendParam.getSensorCode(), "传感器路数:", trendParam.getRoads() + "路");
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+ deviceTable.setMarginBottom(10);
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+ document.add(deviceTable);
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+
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+ Paragraph data = new Paragraph("记录信息")
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+ .setFont(chineseFont)
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+ .setTextAlignment(TextAlignment.CENTER)
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+ .setFontSize(15)
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+ .setBold()
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+ .setMarginBottom(2);
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+ document.add(data);
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+
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+ // 记录信息表格
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+ Table recordTable = new Table(new float[]{2, 3, 2, 3}).useAllAvailableWidth();
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+ addRecordTableRow(recordTable, "开始时间:", trendParam.getStartTime(), "最高温度:", String.format("%.1f°C", maxTemp));
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+ addRecordTableRow(recordTable, "结束时间:", trendParam.getEndTime(), "最低温度:", String.format("%.1f°C", minTemp));
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+ addRecordTableRow(recordTable, "", "", "平均温度:", String.format("%.1f°C", avgTemp));
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+ recordTable.setMarginBottom(10);
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+ document.add(recordTable);
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+
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+ Paragraph curve = new Paragraph("温度曲线")
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+ .setFont(chineseFont)
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+ .setTextAlignment(TextAlignment.CENTER)
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+ .setFontSize(15)
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+ .setBold();
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+ document.add(curve);
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+
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+ try {
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+ // 1. 创建适用于String类型X轴的数据集)
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+ DefaultCategoryDataset dataset = new DefaultCategoryDataset();
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+ List<Float> yValues = sensorEchartDataResult.getTemperature().getY();
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+ List<String> xLabels = new ArrayList<>(sensorEchartDataResult.getTemperature().getX());
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+
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+ // 填充分类数据集（行键，数值，列键）
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+ for (int i = 0; i < xLabels.size(); i++) {
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+ dataset.addValue(yValues.get(i), "温度", xLabels.get(i)); // 列键使用时间字符串
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+ }
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+
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+ // 2. 创建分类折线图（替换核心方法）[1,3](@ref)
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+ JFreeChart chart = ChartFactory.createLineChart(
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+ null, // 隐藏标题
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+ "时间", // X轴标签（原"时间序列"改为更直观的"时间"）
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+ "温度(℃)",
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+ dataset,
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+ PlotOrientation.VERTICAL,
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+ false, // 不显示图例
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+ false,
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+ false
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+ );
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+
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+ // 3. 样式优化（需调整为CategoryPlot）[5,7](@ref)
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+ CategoryPlot plot = chart.getCategoryPlot();
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+ plot.setBackgroundPaint(Color.WHITE);
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+
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+ // 设置X/Y轴字体（解决中文显示问题）[3,8](@ref)
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+ Font songFont = new Font("宋体", Font.PLAIN, 11);
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+ CategoryAxis domainAxis = plot.getDomainAxis();
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+ domainAxis.setLabelFont(songFont);
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+ domainAxis.setTickLabelFont(songFont);
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+ domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 标签倾斜45度防重叠
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+
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+ ValueAxis rangeAxis = plot.getRangeAxis();
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+ rangeAxis.setLabelFont(songFont);
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+ double minValue;
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+ double maxValue;
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+ if (Collections.min(yValues) > 0) {
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+ minValue = Collections.min(yValues) * 0.95; // 下边界留5%余量
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+ } else {
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+ minValue = Collections.min(yValues) * 1.05;
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+ }
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+ if (Collections.max(yValues) < 0) {
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+ maxValue = Collections.max(yValues) * 0.95; // 下边界留5%余量
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+ } else {
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+ maxValue = Collections.max(yValues) * 1.05; // 上边界留5%余量
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+ }
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+ rangeAxis.setRange(minValue, maxValue);
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+
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+ // 设置刻度密度（根据数据范围动态调整）
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+ if ((maxValue - minValue) < 50) { // 温差较小时缩小刻度间隔
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+ rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
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+ }
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+
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+ // 4. 自定义折线样式（使用CategoryItemRenderer）[5](@ref)
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+ LineAndShapeRenderer renderer = new LineAndShapeRenderer();
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+ renderer.setSeriesPaint(0, new Color(79, 129, 189));
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+ renderer.setSeriesStroke(0, new BasicStroke(1.8f));
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+ renderer.setSeriesShapesVisible(0, true); // 显示数据点
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+ plot.setRenderer(renderer);
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+
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+
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+ // 5. 处理时间标签过长问题（动态调整间隔）[6,7](@ref)
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+ if(xLabels.size() > 20) { // 当数据点超过20个时启用标签间隔
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+ domainAxis.setTickLabelsVisible(true);
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+ domainAxis.setTickMarksVisible(true);
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+// domainAxis.setMaximumCategoryLabelLines(3); // 允许换行显示
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+ domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90); // 垂直显示
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+ }
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+
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|
|
+ // 6. 生成图像并插入PDF（保持原有逻辑）
|
|
|
+ BufferedImage chartImage = chart.createBufferedImage(600, 450); // 加宽画布
|
|
|
+ ImageData imageData = ImageDataFactory.create(chartImage, null);
|
|
|
+ com.itextpdf.layout.element.Image pdfImage = new com.itextpdf.layout.element.Image(imageData)
|
|
|
+ .setHorizontalAlignment(HorizontalAlignment.CENTER);
|
|
|
+ document.add(pdfImage);
|
|
|
+
|
|
|
+ } catch (Exception e) {
|
|
|
+ log.error("折线图生成失败: {}", e.getMessage());
|
|
|
+ throw new RuntimeException("图表生成异常", e);
|
|
|
+ }
|
|
|
+
|
|
|
+ document.add(new AreaBreak());
|
|
|
+
|
|
|
+ // 温度数据表格
|
|
|
+ Paragraph dataTitle = new Paragraph("温度数据")
|
|
|
+ .setFont(chineseFont)
|
|
|
+ .setTextAlignment(TextAlignment.CENTER)
|
|
|
+ .setFontSize(15)
|
|
|
+ .setBold()
|
|
|
+ .setMarginBottom(2);
|
|
|
+ document.add(dataTitle);
|
|
|
+
|
|
|
+ Table dataTable = new Table(2).useAllAvailableWidth();
|
|
|
+ dataTable.addHeaderCell(createCell("时间", true));
|
|
|
+ dataTable.addHeaderCell(createCell("°C", true));
|
|
|
+
|
|
|
+ exportParamList.forEach(param -> {
|
|
|
+ dataTable.addCell(createCell(param.getTime(), false));
|
|
|
+ dataTable.addCell(createCell(String.format("%.1f", param.getData()), false));
|
|
|
+ });
|
|
|
+ document.add(dataTable);
|
|
|
+
|
|
|
+ document.close();
|
|
|
+ } catch (Exception e) {
|
|
|
+ throw new RuntimeException("PDF生成失败", e);
|
|
|
} finally {
|
|
|
stopWatch.stop();
|
|
|
- log.info("Excel导出耗时：{}", stopWatch.prettyPrint(TimeUnit.MILLISECONDS));
|
|
|
+ log.info("PDF导出耗时：{}", stopWatch.prettyPrint(TimeUnit.MILLISECONDS));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // 辅助方法：添加设备信息行
|
|
|
+ private void addDeviceTableRow(Table table, String label1, String value1, String label2, String value2) {
|
|
|
+ table.addCell(createCell(label1, true));
|
|
|
+ table.addCell(createCell(value1, false));
|
|
|
+ table.addCell(createCell(label2, true));
|
|
|
+ table.addCell(createCell(value2, false));
|
|
|
+ }
|
|
|
+
|
|
|
+ // 辅助方法：添加记录信息行
|
|
|
+ private void addRecordTableRow(Table table, String label1, String value1, String label2, String value2) {
|
|
|
+ table.addCell(createCell(label1, true));
|
|
|
+ table.addCell(createCell(value1, false));
|
|
|
+ table.addCell(createCell(label2, true));
|
|
|
+ table.addCell(createCell(value2, false));
|
|
|
+ }
|
|
|
+
|
|
|
+ // 辅助方法：创建带样式的单元格
|
|
|
+ private Cell createCell(String content, boolean isHeader) {
|
|
|
+ Cell cell = null;
|
|
|
+ try {
|
|
|
+ cell = new Cell().add(new Paragraph(content))
|
|
|
+ .setFont(PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H"))
|
|
|
+ .setPadding(5);
|
|
|
+ } catch (IOException e) {
|
|
|
+ throw new RuntimeException(e);
|
|
|
+ }
|
|
|
+ if (isHeader) {
|
|
|
+ cell.setBackgroundColor(ColorConstants.LIGHT_GRAY)
|
|
|
+ .setTextAlignment(TextAlignment.CENTER);
|
|
|
+ } else {
|
|
|
+ cell.setTextAlignment(TextAlignment.LEFT);
|
|
|
}
|
|
|
+ return cell;
|
|
|
}
|
|
|
}
|
黄渊昊