itextpdf导出PDF
作者：互联网
/**
* 上传word文档到OSS
* //图片生成导出WORD参照 https://blog.csdn.net/xionglangs/article/details/115750066?spm=1001.2014.3001.5501
* @param dataStatisticsTask
* @param energyManagementStatisticsVo
* @param fileName
* @return
*/
public Tuple2<String, String> exportWordPdf(DataStatisticsTask dataStatisticsTask, EnergyManagementStatisticsVo energyManagementStatisticsVo, String fileName) throws IOException, DocumentException {
Map<String, Object> params = Maps.newHashMap();
params.put(EnergyManagementStatisticsVo.DATA_DATE, DatetimeUtil.formatDate(new Date(), DatetimeUtil.TIME_FORMAT_Y_M_D));
params.put(EnergyManagementStatisticsVo.PLATE_NO, dataStatisticsTask.getPlateNo());
params.put(EnergyManagementStatisticsVo.BEGIN_DATE, DatetimeUtil.formatDate(dataStatisticsTask.getBeginDate(), DatetimeUtil.DATE_FORMAT_YMD_LONG));
params.put(EnergyManagementStatisticsVo.END_DATA, DatetimeUtil.formatDate(dataStatisticsTask.getEndDate(), DatetimeUtil.DATE_FORMAT_YMD_LONG));
params.put(EnergyManagementStatisticsVo.WHOLE_VEHICLE, energyManagementStatisticsVo.getWholeVehicleVo());
int height = getHeight(energyManagementStatisticsVo.getWholeVehicleVo().getMotorPowerDistributionList());
params.put(EnergyManagementStatisticsVo.WHOLE_MOTOR_POWER_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.WHOLE_MOTOR_POWER, generatePicture(energyManagementStatisticsVo.getWholeVehicleVo().getMotorPowerDistributionList(), EnergyManagementStatisticsVo.WHOLE_MOTOR_POWER_IMAGE, "功率/W", "次数/%", "占比", height));
height = getHeight(energyManagementStatisticsVo.getWholeVehicleVo().getAccessoryPowerDistributionList());
params.put(EnergyManagementStatisticsVo.WHOLE_ACCESSORY_POWER_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.WHOLE_ACCESSORY_POWER, generatePicture(energyManagementStatisticsVo.getWholeVehicleVo().getAccessoryPowerDistributionList(), EnergyManagementStatisticsVo.WHOLE_ACCESSORY_POWER_IMAGE, "功率/W", "次数/%", "占比", height));
params.put(EnergyManagementStatisticsVo.FUEL_CELL_SYSTEM, energyManagementStatisticsVo.getFuelCellSystemVo());
height = getHeight(energyManagementStatisticsVo.getFuelCellSystemVo().getOffTimeList());
params.put(EnergyManagementStatisticsVo.FUEL_CELL_OFF_TILE_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.FUEL_CELL_OFF_TILE, generatePicture(energyManagementStatisticsVo.getFuelCellSystemVo().getOffTimeList(), EnergyManagementStatisticsVo.FUEL_CELL_OFF_TILE_IMAGE, "时间/min", "次数/%", "占比", height));
height = getHeight(energyManagementStatisticsVo.getFuelCellSystemVo().getOperatingPointList());
params.put(EnergyManagementStatisticsVo.FUEL_CELL_OPERATING_POINT_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.FUEL_CELL_OPERATING_POINT, generatePicture(energyManagementStatisticsVo.getFuelCellSystemVo().getOperatingPointList(), EnergyManagementStatisticsVo.FUEL_CELL_OPERATING_POINT_IMAGE, "电流/A", "次数/%", "占比", height));
height = getHeight(energyManagementStatisticsVo.getFuelCellSystemVo().getGrossPowerDistributionList());
params.put(EnergyManagementStatisticsVo.FUEL_CELL_AVERAGE_GROSS_POWER_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.FUEL_CELL_AVERAGE_GROSS_POWER, generatePicture(energyManagementStatisticsVo.getFuelCellSystemVo().getGrossPowerDistributionList(), EnergyManagementStatisticsVo.FUEL_CELL_AVERAGE_GROSS_POWER_IMAGE, "功率/W", "次数/%", "占比", height));
params.put(EnergyManagementStatisticsVo.BATTERY, energyManagementStatisticsVo.getBatteryVo());
height = getHeight(energyManagementStatisticsVo.getBatteryVo().getRunPointList());
params.put(EnergyManagementStatisticsVo.BATTERY_RUN_POINT_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.BATTERY_RUN_POINT, generatePicture(energyManagementStatisticsVo.getBatteryVo().getRunPointList(), EnergyManagementStatisticsVo.BATTERY_RUN_POINT_IMAGE, "功率/W", "次数/%", "占比", height));
height = getHeight(energyManagementStatisticsVo.getBatteryVo().getSocList());
params.put(EnergyManagementStatisticsVo.BATTERY_SOC_HEIGHT, height);
params.put(EnergyManagementStatisticsVo.BATTERY_SOC, generatePicture(energyManagementStatisticsVo.getBatteryVo().getSocList(), EnergyManagementStatisticsVo.BATTERY_SOC_IMAGE, "占比/%", "次数/%", "占比", height));
params.put(EnergyManagementStatisticsVo.STACK_LIFE_PREDICTION, energyManagementStatisticsVo.getStackLifePredictionVo());
params.put(EnergyManagementStatisticsVo.BATTERY_LIFE_PREDICTION, energyManagementStatisticsVo.getBatteryLifePredictionVo());
params.put(EnergyManagementStatisticsVo.PARTS_LIFE_PREDICTION, energyManagementStatisticsVo.getPartsLifePredictionVo());
String binPath = this.getClass().getResource("/").getPath() + "/bin";
try {
WordUtil.exportWord(binPath + "/ENERGY.docx", internalReportFilePath, fileName + ".docx", params);
} catch (Exception e) {
LOGGER.warn("Failed to generate file", e);
return null;
}
String contentStr = PdfGenerator.getRendererContent("ENERGY.html", params, binPath);
//开始生产pdf文件
PdfGenerator.generatePlus(contentStr, new FileOutputStream(internalReportFilePath + File.separator + fileName + ".pdf"), params);
String iReportDirName = "http://" + "rfdmas" + "." + "oss-cn-shenzhen.aliyuncs.com" + "/" + "rfdmas-master/fat-report-files/internal/";
return new Tuple2<>(iReportDirName + fileName + ".docx", iReportDirName + fileName + ".pdf");
}package com.utils;
import cn.afterturn.easypoi.entity.ImageEntity;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.Pipeline;
import com.itextpdf.tool.xml.XMLWorker;
import com.itextpdf.tool.xml.XMLWorkerFontProvider;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import com.itextpdf.tool.xml.html.CssAppliersImpl;
import com.itextpdf.tool.xml.html.Tags;
import com.itextpdf.tool.xml.net.FileRetrieve;
import com.itextpdf.tool.xml.net.ReadingProcessor;
import com.itextpdf.tool.xml.parser.XMLParser;
import com.itextpdf.tool.xml.pipeline.css.CSSResolver;
import com.itextpdf.tool.xml.pipeline.css.CssResolverPipeline;
import com.itextpdf.tool.xml.pipeline.end.PdfWriterPipeline;
import com.itextpdf.tool.xml.pipeline.html.AbstractImageProvider;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipeline;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext;
import com.itextpdf.tool.xml.pipeline.html.ImageProvider;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateExceptionHandler;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.Charset;
import java.util.Map;
/**
* @author Andrew.zheng
* @version 2020/10/19
* @className PdfGenerator
* @Description
*/
public class PdfGenerator {
private static final Logger LOGGER = LoggerFactory.getLogger(PdfGenerator.class);
/**
* @param templateName 模板文件路径
* @param model 渲染的数据
* @return 选然后的字符串
* @throws Exception
*/
public static String getRendererContent(String templateName, Map model, String temDir) {
try {
// 初始化FreeMarker ( 模板库 )
Configuration cfg = new Configuration(Configuration.VERSION_2_3_23);
cfg.setDirectoryForTemplateLoading(new File(temDir)); // 指定模板根目录文件
cfg.setDefaultEncoding("UTF-8"); //指定默认字符集
cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
cfg.setLogTemplateExceptions(false);
// 提取模板 (template)
Template tp = cfg.getTemplate(templateName);
//开始以字符串形式返回渲染的结果
StringWriter stringWriter = new StringWriter();
BufferedWriter writer = new BufferedWriter(stringWriter);
tp.process(model, writer);
String htmlStr = stringWriter.toString();
writer.flush();
writer.close();
return htmlStr;
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("渲染失败!");
}
}
public static void generatePlus(String htmlStr, OutputStream out, Map<String, Object> map) throws IOException, DocumentException {
final String charsetName = "UTF-8";
Document document = new Document(PageSize.A4, 90, 90, 70, 70);
PdfWriter writer = PdfWriter.getInstance(document, out);
document.open();
writer.setPageEvent(new PDFBuilder());
// // 加入水印
// PdfContentByte waterMar = writer.getDirectContentUnder();
// // 开始设置水印
// waterMar.beginText();
// // 设置水印透明度
// PdfGState gs = new PdfGState();
// // 设置填充字体不透明度为0.4f
// gs.setFillOpacity(0.1f);
// try {
// // 设置水印字体参数及大小 (字体参数，字体编码格式，是否将字体信息嵌入到pdf中（一般不需要嵌入），字体大小)
// waterMar.setFontAndSize(BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.EMBEDDED), 60);
// // 设置透明度
// waterMar.setGState(gs);
// // 设置水印对齐方式 水印内容 X坐标 Y坐标 旋转角度
// waterMar.showTextAligned(Element.ALIGN_RIGHT, "suyun", 300, 1000, 45);
//
// // 设置水印对齐方式 水印内容 X坐标 Y坐标 旋转角度
// waterMar.showTextAligned(Element.ALIGN_RIGHT, "suyun", 500, 850, 45);
//
// // 设置水印对齐方式 水印内容 X坐标 Y坐标 旋转角度
// waterMar.showTextAligned(Element.ALIGN_RIGHT, "suyun", 700, 700, 45);
// // 设置水印颜色
// waterMar.setColorFill(BaseColor.GRAY);
// //结束设置
// waterMar.endText();
// waterMar.stroke();
// } catch (IOException e) {
// e.printStackTrace();
// } finally {
// waterMar = null;
// gs = null;
// }
//创建字体支持，防止乱码
FontProvider fontProvider = new XMLWorkerFontProvider() {
@Override
public Font getFont(String fontname, String encoding, float size, final int style) {
Font font = null;
try {
// FontUtils.getFont(path,"simhei.ttf","黑体", java.awt.Font.PLAIN, 12f)
final String path = PdfGenerator.class.getResource("/").getPath() + "/bin/SIMSUN.TTC";
LOGGER.debug("PdfGenerator path：" + path);
// 方案一：使用本地字体(本地需要有字体)
BaseFont bf = BaseFont.createFont(path + ",0", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
// 方案二：使用jar包：iTextAsian，这样只需一个jar包就可以了
// BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.EMBEDDED);
font = new Font(bf, size, style);
} catch (Exception e) {
e.printStackTrace();
}
return font;
}
};
// html内容解析
HtmlPipelineContext htmlContext = new HtmlPipelineContext(new CssAppliersImpl(fontProvider)) {
@Override
public HtmlPipelineContext clone() throws CloneNotSupportedException {
HtmlPipelineContext context = super.clone();
try {
ImageProvider imageProvider = this.getImageProvider();
context.setImageProvider(imageProvider);
} catch (Exception ex) {
ex.printStackTrace();
}
return context;
}
};
// 图片解析
htmlContext.setImageProvider(new AbstractImageProvider() {
String rootPath = PdfGenerator.class.getResource("/").getPath();
@Override
public String getImageRootPath() {
return rootPath;
}
@Override
public Image retrieve(String src) {
if (StringUtils.isEmpty(src)) {
return null;
}
try {
ImageEntity imageEntity = (ImageEntity) map.get(src);
if (imageEntity == null) {
return null;
}
Image image = Image.getInstance(imageEntity.getData());
// 图片显示位置
image.setAbsolutePosition(400, 400);
if (image != null) {
store(src, image);
return image;
}
} catch (Throwable e) {
LOGGER.warn("Picture path：" + src);
e.printStackTrace();
}
return super.retrieve(src);
}
});
htmlContext.setAcceptUnknown(true).autoBookmark(true).setTagFactory(Tags.getHtmlTagProcessorFactory());
// css解析
CSSResolver cssResolver = XMLWorkerHelper.getInstance().getDefaultCssResolver(true);
cssResolver.setFileRetrieve(new FileRetrieve() {
@Override
public void processFromStream(InputStream in,
ReadingProcessor processor) throws IOException {
try {
InputStreamReader reader = new InputStreamReader(in, charsetName);
int i = -1;
while (-1 != (i = reader.read())) {
processor.process(i);
}
} catch (Exception e) {
e.printStackTrace();
}
}
// 解析href
@Override
public void processFromHref(String href, ReadingProcessor processor) throws IOException {
InputStream is = PdfGenerator.class.getResourceAsStream("/" + href);
try {
InputStreamReader reader = new InputStreamReader(is, charsetName);
int i = -1;
while (-1 != (i = reader.read())) {
processor.process(i);
}
} catch (Throwable e) {
e.printStackTrace();
}
}
});
HtmlPipeline htmlPipeline = new HtmlPipeline(htmlContext, new PdfWriterPipeline(document, writer));
Pipeline<?> pipeline = new CssResolverPipeline(cssResolver, htmlPipeline);
XMLWorker worker = null;
worker = new XMLWorker(pipeline, true);
// htmlStr = htmlStr.replace("<br>", "").replace("<hr>", "").replace("<img>", "").replace("<param>", "")
// .replace("<link>", "");
XMLParser parser = new XMLParser(true, worker, Charset.forName(charsetName));
try {
InputStream inputStream = new ByteArrayInputStream(htmlStr.getBytes());
parser.parse(inputStream, Charset.forName("UTF-8"));
} catch (Exception ex) {
ex.printStackTrace();
}
document.close();
}
}
注意：Windows默认GBK，PDF中文导出乱码或者不显示，解决办法设值JVM参数，编码为UTF-8，这时候控制台会乱码，测试之后改回来就可以了。
模板制作：
1、打开制作的docx;
2、另存为筛选过的网页，后缀为html;
3、修改生成的html，修改mate元素信息，属性添加双引号，删除无效的引用；
参照模板路径：https://download.csdn.net/download/xionglangs/16727380
标签：导出,EnergyManagementStatisticsVo,itextpdf,energyManagementStatisticsVo,params,imp 来源： https://blog.csdn.net/xionglangs/article/details/115792762