pdf文件壓縮
添加依賴
<dependency>
<groupId>com.luhuiguo</groupId>
<artifactId>aspose-pdf</artifactId>
<version>23.1</version>
</dependency>
public class OptimizePdf {
public static void optimize(String source, String target) {
Document doc = new Document(source);
//設(shè)置壓縮屬性
OptimizationOptions opt = new OptimizationOptions();
//刪除PDF不必要的對(duì)象
opt.setRemoveUnusedObjects(true);
//鏈接重復(fù)流
opt.setLinkDuplcateStreams(false);
//刪除未使用的流
opt.setRemoveUnusedStreams(false);
//刪除不必要的字體
opt.setUnembedFonts(true);
//壓縮PDF中的圖片
opt.getImageCompressionOptions().setCompressImages(true);
//圖片壓縮比， 0 到100可選，越低壓縮比越大
opt.getImageCompressionOptions().setImageQuality(50);
doc.optimizeResources(opt);
//優(yōu)化web的PDF文檔
doc.optimize();
doc.save(target);
}
public static void main(String[] args) {
String source = "/Users/zhanghe/Desktop/2.pdf";
String target = "/Users/zhanghe/Desktop/1.pdf";
optimize(source, target);
}
}
參考文獻(xiàn)
