POIEXCELPDFiTextiText
iText iTextPDFjavaiTextjavajava ServletiTextPDFServlet:http://www.lowagie.com/iText/ 2.0.7
POIhttp://blog.csdn.net/lenotang/archive/2008/08/24/2823230.aspx Student.java Book.java
package org.leno.export.util;
import java.io.UnsupportedEncodingException;
public class StrHelp {
public static String getChinese(String s) {
try {
return new String(s.getBytes("gb2312"), "iso-8859-1");
} catch (UnsupportedEncodingException e) {
return s;
}
}
}
package org.leno.export.util;
import java.io.IOException;
import com.lowagie.text.*;
import com.lowagie.text.pdf.BaseFont;
public class PdfParagraph extends Paragraph {
private static final long serialVersionUID = -244970043180837974L;
public PdfParagraph(String content) {
super(content, getChineseFont(12, false));
}
public PdfParagraph(String content, int fontSize, boolean isBold) {
super(content, getChineseFont(fontSize, isBold));
}
// -
protected static Font getChineseFont(int nfontsize, boolean isBold) {
BaseFont bfChinese;
Font fontChinese = null;
try {
bfChinese = BaseFont.createFont("c://windows//fonts//simsun.ttc,1",
BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
if (isBold) {
fontChinese = new Font(bfChinese, nfontsize, Font.BOLD);
} else {
fontChinese = new Font(bfChinese, nfontsize, Font.NORMAL);
}
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return fontChinese;
}
//
protected Cell ChangeCell(String str, int nfontsize, boolean isBold)
throws IOException, BadElementException, DocumentException {
Phrase ph = ChangeChinese(str, nfontsize, isBold);
Cell cell = new Cell(ph);
// cell.setBorderWidth(3);
return cell;
}
//
protected Chunk ChangeChunk(String str, int nfontsize, boolean isBold)
throws IOException, BadElementException, DocumentException {
Font FontChinese = getChineseFont(nfontsize, isBold);
Chunk chunk = new Chunk(str, FontChinese);
return chunk;
}
//
protected Phrase ChangeChinese(String str, int nfontsize, boolean isBold)
throws IOException, BadElementException, DocumentException {
Font FontChinese = getChineseFont(nfontsize, isBold);
Phrase ph = new Phrase(str, FontChinese);
return ph;
}
}
iText
package org.leno.export.util;
import java.io.*;
import java.lang.reflect.*;
import java.util.*;
import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
import java.awt.Color;
import javax.swing.JOptionPane;
import java.net.MalformedURLException;
import java.text.SimpleDateFormat;
/**
* IText 2.0.7 PDF
*
* @author leno
* @version v1.0
* @param <T>
*javabean
*booleanxxxgetgetXxx(),isXxx()
*byte[],
*/
public class ExportPdf<T> {
public void exportPdf(Collection<T> dataset, OutputStream out) {
exportPdf("iTextPDF", null, dataset, out, "yyyy-MM-dd");
}
public void exportPdf(String[] headers, Collection<T> dataset,
OutputStream out) {
exportPdf("iTextPDF", headers, dataset, out, "yyyy-MM-dd");
}
public void exportPdf(String[] headers, Collection<T> dataset,
OutputStream out, String pattern) {
exportPdf("iTextPDF", headers, dataset, out, pattern);
}
/**
* JAVAJAVAPDF IO
*
* @param title
*
* @param headers
*
* @param dataset
*,javabean
*javabeanString,Date,byte[]()
* @param out
* @param pattern
*"yyy-MM-dd"
*/
@SuppressWarnings("unchecked")
public void exportPdf(String title, String[] headers,
Collection<T> dataset, OutputStream out, String pattern) {
Rectangle rectPageSize = new Rectangle(PageSize.A4);// A4
// rectPageSize = rectPageSize.rotate();// A4
Document document = new Document(rectPageSize, 50, 50, 50, 50);// 44
try {
// PDFoutIO
PdfWriter.getInstance(document, out);
//
document.addTitle(StrHelp.getChinese(title));
document.addSubject("export information");
document.addAuthor("leno");
document.addCreator("leno");
document.addKeywords("pdf itext");
//
HeaderFooter header = new HeaderFooter(new PdfParagraph(title, 20,
true), false);
header.setAlignment(Element.ALIGN_CENTER);
HeaderFooter footer = new HeaderFooter(new Phrase(
"Thisispage"), new Phrase("."));
footer.setAlignment(Element.ALIGN_CENTER);
document.setHeader(header);
document.setFooter(footer);
document.open();
// TablePdfPTable
// Table table = new Table(headers.length);
// table.setWidth(16*headers.length);
// //table.setWidths(new float[]{20,20,20,30});
// table.setCellsFitPage(true);
// table.setAutoFillEmptyCells(true);
// table.setAlignment(Table.ALIGN_CENTER);
// table.setBackgroundColor(Color.yellow);
// table.setBorderColor(Color.green);
PdfPTable table = new PdfPTable(headers.length);
// table.setHorizontalAlignment(Element.ALIGN_CENTER);
table.setWidthPercentage(16 * headers.length);
//
for (int i = 0; i < headers.length; i++) {
PdfPCell cell = new PdfPCell(new PdfParagraph(headers[i], 14,
true));
cell.setHorizontalAlignment(Cell.ALIGN_CENTER);
cell.setVerticalAlignment(Cell.ALIGN_MIDDLE);
cell.setBackgroundColor(Color.cyan);
cell.setBorderColor(Color.green);
table.addCell(cell);
}
//
Iterator<T> it = dataset.iterator();
int index = 0;
while (it.hasNext()) {
index++;
T t = (T) it.next();
// javabeangetXxx()
Field[] fields = t.getClass().getDeclaredFields();
for (short i = 0; i < fields.length; i++) {
PdfPCell cell = null;
Field field = fields[i];
String fieldName = field.getName();
String getMethodName = "get"
+ fieldName.substring(0, 1).toUpperCase()
+ fieldName.substring(1);
try {
Class tCls = t.getClass();
Method getMethod = tCls.getMethod(getMethodName,
new Class[] {});
Object value = getMethod.invoke(t, new Object[] {});
//
String textValue = null;
if (value instanceof Boolean) {
boolean bValue = (Boolean) value;
textValue = "";
if (!bValue) {
textValue = "女";
}
} else if (value instanceof Date) {
Date date = (Date) value;
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
textValue = sdf.format(date);
} else if (value instanceof byte[]) {
byte[] bsValue = (byte[]) value;
Image img = Image.getInstance(bsValue);
cell = new PdfPCell(img);
} else {
textValue = value.toString();
}
// ,
if (textValue != null) {
cell = new PdfPCell(new PdfParagraph(textValue));
}
cell.setHorizontalAlignment(Cell.ALIGN_CENTER);
cell.setVerticalAlignment(Cell.ALIGN_MIDDLE);
cell.setBorderColor(Color.green);
table.addCell(cell);
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
//
}
}
}
document.add(table);
document.close();
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args) {
//
ExportPdf<Student> ex = new ExportPdf<Student>();
String[] headers = { "", "", "", "", "" };
java.util.List<Student> dataset = new ArrayList<Student>();
dataset.add(new Student(10000001, "", 20, true, new Date()));
dataset.add(new Student(20000002, "", 24, false, new Date()));
dataset.add(new Student(30000003, "", 22, true, new Date()));
//
ExportPdf<Book> ex2 = new ExportPdf<Book>();
String[] headers2 = { "", "", "", "", "ISBN",
"", "" };
java.util.List<Book> dataset2 = new ArrayList<Book>();
try {
BufferedInputStream bis = new BufferedInputStream(
new FileInputStream("book.jpg"));
byte[] buf = new byte[bis.available()];
while ((bis.read(buf)) != -1) {
//
}
dataset2.add(new Book(1, "jsp", "leno", 300.33f , "1234567",
"", buf));
dataset2.add(new Book(2, "java", "brucl", 300.33f , "1234567",
"", buf));
dataset2.add(new Book(3, "DOM", "lenotang", 300.33f , "1234567",
"", buf));
dataset2.add(new Book(4, "c++", "leno", 400.33f , "1234567",
"", buf));
dataset2.add(new Book(5, "c#", "leno", 300.33f , "1234567",
"", buf));
OutputStream out = new FileOutputStream("E://a.pdf");
OutputStream out2 = new FileOutputStream("E://b.pdf");
ex.exportPdf(headers, dataset, out);
ex2.exportPdf(headers2, dataset2, out2);
out.close();
out2.close();
JOptionPane.showMessageDialog(null, "pdf!");
System.out.println("pdf");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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