java excel转pdf

使用jacob实现Excel转PDF

在使用jacob之前需要做一些准备，首先需要去下载jacob的压缩包jacob.zip ,下载地址：https://github.com/freemansoft/jacob-project/releases/download/Root_B-1_21/jacob-1.21.zip

解压之后，得到如下内容：

1、如果你是64位系统就用 x64的dll，32位系统就用x86的dll。之后我们需要将dll文件放入放入你的jdk的bin目录下。

2、将jacob.jar导入项目中。

package pdf;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

import java.io.File;

public class JacobExcelToPDF {

    /**
     * 使用jacob实现excel转PDF
     *
     * @param inputFilePath 导入Excel文件路径
     * @param outputFilePath 导出PDF文件路径
     */
    public static void jacobExcelToPDF(String inputFilePath, String outputFilePath) {
        ActiveXComponent ax = null;
        Dispatch excel = null;
 
        try {
            ComThread.InitSTA();
            ax = new ActiveXComponent("Excel.Application");
            ax.setProperty("Visible", new Variant(false));
            //禁用宏
            ax.setProperty("AutomationSecurity", new Variant(3));
 
            Dispatch excels = ax.getProperty("Workbooks").toDispatch();
 
            Object[] obj = {
                    inputFilePath,
                    new Variant(false),
                    new Variant(false)
            };
 
            excel = Dispatch.invoke(excels, "Open", Dispatch.Method, obj, new int[9]).toDispatch();
 
            //转换格式
            Object[] obj2 = {
                    //PDF格式等于0
                    new Variant(0),
                    outputFilePath,
                    //0=标准（生成的PDF图片不会模糊），1=最小的文件
                    new Variant(0)
            };
 
            Dispatch.invoke(excel, "ExportAsFixedFormat", Dispatch.Method, obj2, new int[1]);
            System.out.println("转换成功\t"+ outputFilePath.split("\\\\")[3]);
 
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            if (excel != null) {
                Dispatch.call(excel, "Close", new Variant(false));
            }
            if (ax != null) {
                ax.invoke("Quit", new Variant[]{});
                ax = null;
            }
            ComThread.Release();
        }
    }


    public static void main(String[] args) {
        String filePath = "F:\\111\\CS1";
        File file = new File(filePath);
        File[] files = file.listFiles((dir, name) -> name.toLowerCase().endsWith(".xlsx"));
        if (files != null){
            for (File f : files){
                String fileName = f.getName();
                String fileName2 = fileName.substring(0, fileName.lastIndexOf("."));
                String inputFilePath2 = filePath + "\\" + fileName;
                String outputFilePath2 = filePath + "\\" + fileName2 + ".pdf";
                jacobExcelToPDF(inputFilePath2, outputFilePath2);
            }
        }
    }
}