# thymeleaf2PDF
# 添加依赖
<!--PDF转化工具-->
<!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13.1</version>
</dependency>
<dependency>
<groupId>org.xhtmlrenderer</groupId>
<artifactId>core-renderer</artifactId>
<version>R8</version>
</dependency>
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# 编码工具类
import com.itextpdf.text.pdf.BaseFont;
import com.lowagie.text.DocumentException;
import org.springframework.stereotype.Component;
import org.xhtmlrenderer.pdf.ITextFontResolver;
import org.xhtmlrenderer.pdf.ITextRenderer;
import java.io.IOException;
import java.io.OutputStream;
/**
* 导出PDF文件转换工具
*/
public class PDFUtil{
/**
* 生成 PDF 文件
* @param out 输出流
* @param html HTML字符串
* @throws IOException IO异常
* @throws DocumentException Document异常
*/
public static void createPDF(OutputStream out, String html) throws IOException, DocumentException {
ITextRenderer renderer = new ITextRenderer();
renderer.setDocumentFromString(html);
// 解决中文支持问题
ITextFontResolver fontResolver = renderer.getFontResolver();
fontResolver.addFont("pdf/font/fangsong.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
fontResolver.addFont("pdf/font/PingFangSC.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
renderer.layout();
renderer.createPDF(out);
}
}
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字体文件自行下载，并添加到 resouces 路径下，上述路径对应修改
# 遇到的问题与解决方法
# Maven 打包源码后，导致 HTML 文件内容被篡改
- 原因：Maven 插件使用的占位符
${}与Thymeleaf冲突 - 解决方法：在 pom.xml 中配置资源文件，打包时不对html文件的占位符进行处理
<build>
...
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
<excludes>
<exclude>**/*.html</exclude>
</excludes>
</resource>
<resource>
<directory>src/main/resources</directory>
<filtering>false</filtering>
<includes>
<include>**/*.html</include>
</includes>
</resource>
</resources>
</build>
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