java采用Jacob将Excel转PDF

注意事项：使用此方法需安装Office

import java.io.File;
import java.util.Date;

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

public class Excel2PdfUtil {

	public static void main(String[] args) {
		int time = Ex2PDF("D:/report.xls", "D:/report2.pdf");
		System.out.println(time);
	}
	public static int Ex2PDF(String inputFile, String pdfFile) {
		// 0=标准 (生成的PDF图片不会变模糊) 1=最小文件(生成的PDF图片糊的一塌糊涂)
		final int xlTypePDF = 0;
		// try {
		// User32.SetWinEventHook(new UINT(0x0003), new UINT(0x0003), 0, 0, new DWORD(0), new DWORD(0), new UINT(0));
		// } catch (IllegalAccessException e1) {
		// e1.printStackTrace();
		// } catch (NativeException e1) {
		// e1.printStackTrace();
		// }
		ComThread.InitSTA(true);
		ActiveXComponent ax = new ActiveXComponent("Excel.Application");
		long date = new Date().getTime();
		ax.setProperty("Visible", new Variant(false));
		ax.setProperty("AutomationSecurity", new Variant(3)); // 禁用宏
		try {
			Dispatch excels = ax.getProperty("Workbooks").toDispatch();
			Dispatch excel = Dispatch.invoke(excels, "Open", Dispatch.Method, new Object[] { inputFile, new Variant(false), new Variant(false) },
					new int[9]).toDispatch();
			File tofile = new File(pdfFile);
			if (tofile.exists()) {
				tofile.delete();
			}
			// 转换格式
			Dispatch.invoke(excel, "ExportAsFixedFormat", Dispatch.Method, new Object[] {
					new Variant(0), // PDF格式=0
					pdfFile, new Variant(xlTypePDF), Variant.VT_MISSING, Variant.VT_MISSING, Variant.VT_MISSING, Variant.VT_MISSING,
					new Variant(false), Variant.VT_MISSING }, new int[1]);

			// 这里放弃使用SaveAs
			/*
			 * Dispatch.invoke(excel,"SaveAs",Dispatch.Method,new Object[]{
			 * outFile, new Variant(57), new Variant(false), new Variant(57),
			 * new Variant(57), new Variant(false), new Variant(true), new
			 * Variant(57), new Variant(true), new Variant(true), new
			 * Variant(true) },new int[1]);
			 */
			long date2 = new Date().getTime();
			int time = (int) ((date2 - date) / 1000);
			Dispatch.call(excel, "Close", new Variant(false));

			return time;
		} catch (Exception e) {
			e.printStackTrace();
			return -1;
		} finally {
			if (ax != null) {
				ax.invoke("Quit", new Variant[] {});
				ax = null;
			}
			ComThread.Release();
		}
	}


}

工程下载地址：https://download.csdn.net/download/zheng_chang_wei/10883954

工程中包括Jacob jar包，jacob-1.18-x64.dll和jacob-1.18-x32.dll，修改main函数中excel和PDF地址后可直接运行。