java调用jacob生成pdf，word，excel横向

/*
* 传进一个office文件的byte[]以及后缀，生成一个pdf文件的byte[]
*/
public byte[] jacob_Office2Pdf(byte[] srcFileBytes, String postfix) {
if (srcFileBytes == null || srcFileBytes.length == 0
|| postfix.equals("") || postfix == null) {
return null;
} else {
String officeTmplPath = Consts.getTempPath()
+ UUID.randomUUID().toString() + "." + postfix;
System.out.println(officeTmplPath);
String pdfTmplPath = generateDefaultOutputFilePath(officeTmplPath);
System.out.println(pdfTmplPath);
FileOutputStream outf = null;
BufferedOutputStream bufferout = null;
try {
outf = new FileOutputStream(officeTmplPath);
bufferout = new BufferedOutputStream(outf);
bufferout.write(srcFileBytes);
bufferout.flush();
bufferout.close();
outf.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
File f = new File(officeTmplPath);
if (postfix.equalsIgnoreCase("doc")
|| postfix.equalsIgnoreCase("docx")) {
ComThread.InitSTA();
ActiveXComponent app = new ActiveXComponent("Word.Application");
app.setProperty("Visible", false);
Dispatch docs = app.getProperty("Documents").toDispatch();
Dispatch doc = Dispatch.call(docs,//
"Open", //
officeTmplPath,// FileName
false,// ConfirmConversions
true // ReadOnly
).toDispatch(); Dispatch.call(doc,//
"SaveAs", //
pdfTmplPath, // FileName
wdFormatPDF);
Dispatch.call(doc, "Close", false);
if (app != null) {
app.invoke("Quit", new Variant[] {});
app = null;
}
ComThread.Release();
if (f.exists()) {
f.delete();
}
byte[] content;
try {
BufferedInputStream in = new BufferedInputStream(
new FileInputStream(pdfTmplPath));
ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
byte[] temp = new byte[1024];
int size = 0;
while ((size = in.read(temp)) != -1) {
out.write(temp, 0, size);
}
in.close();
content = out.toByteArray();
out.close();
File pdfFile = new File(pdfTmplPath);
if (pdfFile.exists()) {
pdfFile.delete();
}
return content;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
} else if (postfix.equalsIgnoreCase("xls")
|| postfix.equalsIgnoreCase("xlsx")) {
ComThread.InitSTA();
ActiveXComponent app = new ActiveXComponent("Excel.Application");
app.setProperty("Visible", new Variant(false));
Object excels = app.getProperty("Workbooks").toDispatch();
Object excel = Dispatch.invoke(
(Dispatch) excels,
"Open",
Dispatch.Method,
new Object[] { officeTmplPath, new Variant(false),
new Variant(true) }, new int[1]).toDispatch();
// new Object[] { officeTmplPath, new Variant(false),
// new Variant(false) }, new int[9]).toDispatch();
// 横向打印(2013/05/24)
// 获取activate表格
Dispatch currentSheet = Dispatch.get((Dispatch) excel,
"ActiveSheet").toDispatch();
Dispatch pageSetup = Dispatch.get(currentSheet, "PageSetup")
.toDispatch();
Dispatch.put(pageSetup, "Orientation", new Variant(2));
// Dispatch.invoke((Dispatch)excel, "SaveAs", Dispatch.Method,
// new Object[] {
// pdfTmplPath, new Variant(57), new Variant(false),
// new Variant(57), new Variant(57), new Variant(false),
// new Variant(true), new Variant(57), new Variant(false),
// new Variant(true), new Variant(false) }, new int[1]);
try {
//如果第一个sheet为空则会抛出异常
Dispatch.call(currentSheet, "SaveAs", pdfTmplPath,
new Variant(57));
} catch (Exception e1) {
// TODO Auto-generated catch block
//e1.printStackTrace();
//自动调用第二个sheet
Dispatch sheets = Dispatch.get((Dispatch) excel, "Sheets")
.toDispatch();
// 获得几个sheet
// int count = Dispatch.get(sheets, "Count").getInt();
// System.out.println(count);
Dispatch sheet = Dispatch.invoke(sheets, "Item",
Dispatch.Get, new Object[] { new Integer(2) },
new int[1]).toDispatch();
pageSetup = Dispatch.get(sheet, "PageSetup").toDispatch();
Dispatch.put(pageSetup, "Orientation", new Variant(2));
Dispatch.call(sheet, "SaveAs", pdfTmplPath, new Variant(57));
Dispatch.call((Dispatch) excel, "Close", new Variant(false));
byte[] content;
try {
BufferedInputStream in = new BufferedInputStream(
new FileInputStream(pdfTmplPath));
ByteArrayOutputStream out = new ByteArrayOutputStream(
1024);
byte[] temp = new byte[1024];
int size = 0;
while ((size = in.read(temp)) != -1) {
out.write(temp, 0, size);
}
in.close();
content = out.toByteArray();
out.close();
File pdfFile = new File(pdfTmplPath);
if (pdfFile.exists()) {
pdfFile.delete();
}
return content;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
} finally {
if (app != null) {
app.invoke("Quit", new Variant[] {});
app = null;
}
ComThread.Release();
if (f.exists()) {
f.delete();
}
}
Dispatch.call((Dispatch) excel, "Close", new Variant(false));
byte[] content;
try {
BufferedInputStream in = new BufferedInputStream(
new FileInputStream(pdfTmplPath));
ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
byte[] temp = new byte[1024];
int size = 0;
while ((size = in.read(temp)) != -1) {
out.write(temp, 0, size);
}
in.close();
content = out.toByteArray();
out.close();
File pdfFile = new File(pdfTmplPath);
if (pdfFile.exists()) {
pdfFile.delete();
}
return content;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
} else {
if (f.exists()) {
f.delete();
}
return null;
}
} }