java 使用itextpdf工具实现HTML转PDF文件

小咪咪 2022-03-01 03:56 568阅读 0赞

## java 使用itextpdf工具实现HTML转PDF文件 ##

本文转载[https://my.oschina.net/960823/blog/1588166][https_my.oschina.net_960823_blog_1588166]内容  
[demo][]

*  maven依赖包

<dependency>
               <groupId>com.itextpdf</groupId>
               <artifactId>itextpdf</artifactId>
               <version>5.5.9</version>
           </dependency>
           <dependency>
               <groupId>com.itextpdf.tool</groupId>
               <artifactId>xmlworker</artifactId>
               <version>5.5.9</version>
           </dependency>
    
           <dependency>
               <groupId>com.itextpdf</groupId>
               <artifactId>itext-asian</artifactId>
               <version>5.2.0</version>
           </dependency>
    
           <dependency>
               <groupId>org.xhtmlrenderer</groupId>
               <artifactId>flying-saucer-pdf-itext5</artifactId>
               <version>9.0.3</version>
           </dependency>

*  java 代码

package com.my.utils;
    
    import com.itextpdf.text.pdf.BaseFont;
    import org.xhtmlrenderer.pdf.ITextFontResolver;
    import org.xhtmlrenderer.pdf.ITextRenderer;
    
    import java.io.File;
    import java.io.FileOutputStream;
    import java.io.OutputStream;
    
    /** * Utils - html转换成PDF */
    public class HtmlToPdfUtils { 
    
       private HtmlToPdfUtils() { }
    
       /** * html转换成PDF * @param htmlFile html文件 * @param pdfPath pdf路径 * @throws Exception 异常 */
       public static void htmlToPdf(File htmlFile, String pdfPath) throws Exception { 
    
           OutputStream os = new FileOutputStream(pdfPath);
           ITextRenderer iTextRenderer = new ITextRenderer();
           iTextRenderer.setDocument(htmlFile);
    
           //解决中文编码
           ITextFontResolver fontResolver = iTextRenderer.getFontResolver();
           if ("linux".equals(getCurrentOperationSystem())) { 
               fontResolver.addFont("/usr/share/fonts/chiness/simsun.ttc", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
           } else { 
               fontResolver.addFont("c:/Windows/Fonts/simsun.ttc", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
           }
    
           iTextRenderer.layout();
           iTextRenderer.createPDF(os);
           os.flush();
           os.close();
       }
    
       private static String getCurrentOperationSystem() { 
           String os = System.getProperty("os.name").toLowerCase();
           return os;
       }
    
       public static void main(String[] args){ 
           File file = new File("E:\\test.html");
           String pdfPath = "E:\\testPdf.pdf";
           try{ 
               htmlToPdf(file, pdfPath);
           }catch (Exception e){ 
               e.printStackTrace();
           }
       }
    }

[https_my.oschina.net_960823_blog_1588166]: https://my.oschina.net/960823/blog/1588166
[demo]: https://download.csdn.net/download/michean/11046047