| package com.repair.util.pub;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.imageio.ImageIO;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
public class OperationIO {
static final int wdFormatPDF = 17;// PDF 格式
/**
* WORD转换PDF
* @param sfileName WORD文件存在位置
* @param toFileName PDF文件存放位置
*/
public static void wordToPDF(String sfileName,String toFileName){
System.out.println("启动Word...");
long start = System.currentTimeMillis();
ActiveXComponent app = null;
Dispatch doc = null;
try {
//调用office word
app = new ActiveXComponent("Word.Application");
app.setProperty("Visible", new Variant(false));
Dispatch docs = app.getProperty("Documents").toDispatch();
doc = Dispatch.call(docs, "Open" , sfileName).toDispatch();
System.out.println("打开文档..." + sfileName);
System.out.println("转换文档到PDF..." + toFileName);
File tofile = new File(toFileName);
if (tofile.exists()) {
tofile.delete();
}
Dispatch.call(doc,
"SaveAs",
toFileName, // FileName
wdFormatPDF);
long end = System.currentTimeMillis();
System.out.println("转换完成..用时：" + (end - start) + "ms.");
} catch (Exception e) {
System.out.println("========Error:文档转换失败：" + e.getMessage());
} finally {
Dispatch.call(doc,"Close",false);
System.out.println("关闭文档");
if (app != null)
app.invoke("Quit", new Variant[] {});
}
//如果没有这句话,winword.exe进程将不会关闭
ComThread.Release();
}
/**
* 递归删除目录下的所有文件及子目录下所有文件
* @param dir 将要删除的文件目录
* @return boolean Returns "true" if all deletions were successful.
* If a deletion fails, the method stops attempting to
* delete and returns "false".
*/
public static boolean deleteDir(File dir) {
if (dir.isDirectory()) {
String[] children = dir.list();
for (int i=0; i<children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
// 目录此时为空，可以删除
return dir.delete();
}
/**
* 将图片文件转化为字节数组字符串，并对其进行Base64编码处理
* @param imgFilePath 图片地址路径
*/
public static String GetImageStr(String imgFilePath) {//
byte[] data = null;
// 读取图片字节数组
try {
InputStream in = new FileInputStream(imgFilePath);
data = new byte[in.available()];
in.read(data);
in.close();
} catch (IOException e) {
e.printStackTrace();
}
// 对字节数组Base64编码
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(data);// 返回Base64编码过的字节数组字符串
}
/**
* 将二进制转换为图片
*
* @param base64String
*/
public static void base64StringToImage(String base64String,String imageoutpath) {
try {
BASE64Decoder decoder = new sun.misc.BASE64Decoder();
byte[] bytes1 = decoder.decodeBuffer(base64String);
ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);
BufferedImage bi1 = ImageIO.read(bais);
File w2 = new File(imageoutpath);// 可以是jpg,png,gif格式
ImageIO.write(bi1, "jpg", w2);// 不管输出什么格式图片，此处不需改动
} catch (IOException e) {
e.printStackTrace();
}
}
}
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