Aspose docx 转 pdf

jar 包下载 

https://releases.aspose.com/java/repo/com/aspose/aspose-words/21.11/aspose-words-21.11-jdk17.jar

参考文档

https://blog.aspose.com/words/convert-word-doc-docx-to-pdf-in-java-programmatically/#word-document

许可证购买（不买许可证，转换的文件有水印，且功能有限制）

https://purchase.aspose.com/buy

 

破解

第一步：下载jar

第二步：jd-gui.exe 反编译，保存代码

第三步：创建一个测试maven项目

第四步：引入jar包

        <dependency>
            <groupId>com.aspose</groupId>
            <artifactId>aspose-words</artifactId>
            <version>21.11</version>
            <classifier>jdk17</classifier>
            <scope>system</scope>
            <systemPath>D:\data\aspose-words-21.11-jdk17.jar</systemPath>
        </dependency>

 

第五步：工具类并测试

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import com.aspose.words.Document;
import com.aspose.words.SaveOptions;


public class DocToPdf {
    
    public static void main(String[] args) throws FileNotFoundException {
        FileInputStream in = new FileInputStream("D:\\data\\示例.docx");
        FileOutputStream out = new FileOutputStream(new File("D:\\data\\示例.pdf"));
        DocToPdf.convert(in, out);
    }

    /**
     * word 文件转pdf
     * 
     * @param in  word
     * @param out pdf
     */
    public static void convert(InputStream in, OutputStream out) {
        try {
            Document document = new Document(in);
            document.save(out, SaveOptions.createSaveOptions("1.pdf"));
        } catch (Exception e) {
            throw new RuntimeException("文件转换失败");
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException e) {
                }
            }
            if (out != null) {
                try {
                    out.close();
                } catch (IOException e) {
                }
            }
        }
    }
}

 

 

Word 转换 pdf 之后，发现带上了红色广告字和LOGO 

 

第六步：将源码导入IDE，查询关键字  ".substring     定位到添加红色广告字方法  com.aspose.words.zzWwN.zzZKg(Document)

 

 

执行下列方法：

String str1 = zzWuq.zzXou(zzVu.zzIR().zzZ42(new byte[] { 
                118, 69, 108, 97, 97, 117, 105, 116, 110, 111, 
                79, 32, 108, 110, 46, 121, 67, 32, 101, 114, 
                116, 97, 100, 101, 119, 32, 116, 105, 32, 104, 
                115, 65, 111, 112, 101, 115, 87, 46, 114, 111, 
                115, 100, 32, 46, 111, 67, 121, 112, 105, 114, 
                104, 103, 32, 116, 48, 50, 51, 48, 123, 45, 
                125, 48, 65, 32, 112, 115, 115, 111, 32, 101, 
                116, 80, 32, 121, 116, 76, 46, 100 } ), new Object[] { "2021.11.01".substring(0, 4) });
        String str2 = zzVu.zzIR().zzZ42(new byte[] { 
              114, 67, 97, 101, 101, 116, 32, 100, 105, 119, 
              104, 116, 97, 32, 32, 110, 118, 101, 108, 97, 
              97, 117, 105, 116, 110, 111, 99, 32, 112, 111, 
              32, 121, 102, 111, 65, 32, 112, 115, 115, 111, 
              46, 101, 111, 87, 100, 114, 46, 115, 84, 32, 
              32, 111, 105, 100, 99, 115, 118, 111, 114, 101, 
              116, 32, 101, 104, 102, 32, 108, 117, 32, 108, 
              101, 118, 115, 114, 111, 105, 115, 110, 111, 32, 
              32, 102, 117, 111, 32, 114, 80, 65, 115, 73, 
              112, 32, 101, 108, 115, 97, 32, 101, 105, 118, 
              105, 115, 58, 116, 104, 32, 116, 116, 115, 112, 
              47, 58, 112, 47, 111, 114, 117, 100, 116, 99, 
              46, 115, 115, 97, 111, 112, 101, 115, 99, 46, 
              109, 111, 119, 47, 114, 111, 115, 100, 47 });
        String str3 = zzVu.zzIR().zzZ42(new byte[] { 
              104, 84, 115, 105, 100, 32, 99, 111, 109, 117, 
              110, 101, 32, 116, 97, 119, 32, 115, 114, 116, 
              110, 117, 97, 99, 101, 116, 32, 100, 101, 104, 
              101, 114, 98, 32, 99, 101, 117, 97, 101, 115, 
              105, 32, 32, 116, 97, 119, 32, 115, 114, 99, 
              97, 101, 101, 116, 32, 100, 110, 105, 116, 32, 
              101, 104, 69, 32, 97, 118, 117, 108, 116, 97, 
              111, 105, 32, 110, 111, 77, 101, 100, 46 });
        String str4 = zzVu.zzIR().zzZ42(new byte[] { 
              115, 65, 111, 112, 101, 115, 87, 46, 114, 111, 
              115, 100, 82, 46, 115, 101, 117, 111, 99, 114, 
              115, 101, 65, 46, 112, 115, 115, 111, 76, 101, 
              103, 111, 46, 111, 110, 112, 103 });
 
         System.out.println(str1);
         System.out.println(str2);
         System.out.println(str3);
         System.out.println(str4);

 

输出：

Evaluation Only. Created with Aspose.Words. Copyright 2003-2021 Aspose Pty Ltd.
Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: https://products.aspose.com/words/
This document was truncated here because it was created in the Evaluation Mode.
Aspose.Words.Resources.AsposeLogo.png

 

红色广告词找到了，推测所在方法就是添加广告及logo，直接修改方法为：

static void zzZKg(Document paramDocument) throws Exception {
    zzWan = 29273535023874148L;
    return;
}

 

将该文件复制到测试项目，

 

 进入target找到calss文件，用winrar 打开jar包替换字节码文件，删除.SF和RSA文件

 

用画图新建一个像素 AsposeLogo.png 替换掉jar包中的logo 

 

重新生成效果：

 

 

参考：https://juejin.cn/post/7034387646168186894