java freemarker（ftl）模板填充导出PDF，支持中文乱码

添加依赖

        <dependency><groupId>org.freemarker</groupId><artifactId>freemarker</artifactId><version>2.3.32</version></dependency><dependency><groupId>com.openhtmltopdf</groupId><artifactId>openhtmltopdf-pdfbox</artifactId><version>1.0.10</version></dependency>

java代码

    public void exportPdf(String html, String outputPath) throws Exception {PdfRendererBuilder builder = new PdfRendererBuilder();builder.useFastMode();// 注册思源宋体——关键点builder.useFont(() -> getClass().getClassLoader().getResourceAsStream("xxx/siyuansongti.ttf"), "Source Han Serif CN");builder.useFont(() -> getClass().getClassLoader().getResourceAsStream("xxx/DejaVuSans-7.ttf"), "DejaVu Sans");builder.withHtmlContent(html, null);builder.toStream(new FileOutputStream(outputPath));builder.run();}@GetMapping("test")public void test() throws Exception{Configuration cfg = new Configuration(Configuration.VERSION_2_3_32);cfg.setDefaultEncoding("UTF-8");cfg.setClassLoaderForTemplateLoading(this.getClass().getClassLoader(),"templates");Template tpl = cfg.getTemplate("xxx/index.ftl");StringWriter writer = new StringWriter();tpl.process(buildDto(), writer);exportPdf(writer.toString(), "D:/xxx.pdf");}

ftl模板使用字体库

文件名：xxx.ftl

ps：处理中文乱码

        body {font-family: "Source Han Serif CN", "DejaVu Sans";font-size: 12px;margin: 0;padding: 0;}

字体库

https://chenyanbin-software.oss-cn-guangzhou.aliyuncs.com/%E5%AD%97%E4%BD%93%E5%BA%93/DejaVuSans-7.ttf

https://chenyanbin-software.oss-cn-guangzhou.aliyuncs.com/%E5%AD%97%E4%BD%93%E5%BA%93/siyuansongti.ttf

更多字体库：https://www.mianfeiziti.com/thread-491.htm