JAVA 使用aspose.cad将dwg文件转PDF（每个布局转为一页）

1、先将下载的jar文件放在项目根目录下

2、使用maven安装命令安装jar包

    com.aspose
    aspose-cad
    20.12

    
    public static void CADFileToPDF(String srcFile, String dataDir, String pageSize, String pageOrientation) {
        Image objImage = Image.load(srcFile);
        CadImage cadImage = (CadImage) objImage;
        //下面两句是为了解决缺失字体导致部分文字变为方框的问题
        cadImage.setDefaultFont("仿宋");
        CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
        //导出所有的布局:默认为false，导致只能导出第一个布局
        cadRasterizationOptions.setExportAllLayoutContent(true);
        // 设置颜色：默认黑白
        cadRasterizationOptions.setBackgroundColor(Color.getWhite());
        // 这一句是输出线条为彩色的关键
        cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor);

        // 设置纸张大小，默认A4
        float width = "A3".equals(pageSize) ? PageSize.A3.getWidth() : PageSize.A4.getWidth();
        float height = "A3".equals(pageSize) ? PageSize.A3.getHeight() : PageSize.A4.getHeight();

        //设置纸张方向,默认纵向,
        SizeF size = "landscape".equals(pageOrientation) ? new SizeF(height, width) : new SizeF(width, height);
        cadRasterizationOptions.setPageSize(size);
        cadRasterizationOptions.setAutomaticLayoutsScaling(false);
        cadRasterizationOptions.setNoScaling(false);
        PdfOptions pdfOptions = new PdfOptions();
        pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions);
        objImage.save(dataDir + System.currentTimeMillis() + ".pdf", pdfOptions);
    }

    public static void CADFileToPDF(String srcFile, String dataDir, String pageSize) {
        CADFileToPDF(srcFile, dataDir, pageSize, "portrait");
    }

    public static void CADFileToPDF(String srcFile, String dataDir) {
        CADFileToPDF(srcFile, dataDir, "A4", "portrait");
    }

    public static void main(String[] args) {
        String dirPath = "D:\test\test\";
        String outDirPath = "D:\test\test\result\";
        Cad2Pdf.CADFileToPDF(dirPath + "test.dwg", outDirPath + "dwg-test.pdf");
    }