本文详细介绍了使用iText库生成PDF文档的方法，包括页面大小、背景色、页边空白、Title、Author等属性的设置，以及添加密码、插入Chunk、Phrase、Paragraph、List等内容的操作。同时，还涵盖了插入Anchor、Image、Chapter、Section、画图、设置段落、删除与插入Page、排序page、目录、Header、Footer、左右文字、幻灯片放映、压缩PDF到Zip、分割PDF、合并PDF、Annotation、插入一个Table、表嵌套、设置表宽度、表前后间隔、设置单元宽度、设置单元留白、设置单元边框等功能。
http://www.open-open.com/lib/view/open1339726488115.html
iText是著名的开放项目，是用于生成PDF文档的一个java类库。通过iText不仅可以生成PDF或rtf的文档，而且可以将XML、Html文件转化为PDF文件。
http://itextpdf.com/
版本：itextpdf-5.2.1.jar
1、生成一个PDF
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//Step 1—Create a Document.
Document document =
new
Document();
//Step 2—Get a PdfWriter instance.
PdfWriter.getInstance(document,
new
FileOutputStream(FILE_DIR +
"createSamplePDF.pdf"
));
//Step 3—Open the Document.
document.open();
//Step 4—Add content.
document.add(
new
Paragraph(
"Hello World"
));
//Step 5—Close the Document.
document.close();
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2、页面大小,页面背景色,页边空白,Title,Author,Subject,Keywords
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//页面大小
Rectangle rect =
new
Rectangle(PageSize.B5.rotate());
//页面背景色
rect.setBackgroundColor(BaseColor.ORANGE);
Document doc =
new
Document(rect);
PdfWriter writer = PdfWriter.getInstance(doc, out);
//PDF版本(默认1.4)
writer.setPdfVersion(PdfWriter.PDF_VERSION_1_2);
//文档属性
doc.addTitle(
"Title@sample"
);
doc.addAuthor(
"Author@rensanning"
);
doc.addSubject(
"Subject@iText sample"
);
doc.addKeywords(
"Keywords@iText"
);
doc.addCreator(
"Creator@iText"
);
//页边空白
doc.setMargins(
10
,
20
,
30
,
40
);
doc.open();
doc.add(
new
Paragraph(
"Hello World"
));
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3、设置密码
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PdfWriter writer = PdfWriter.getInstance(doc, out);
// 设置密码为："World"
writer.setEncryption(
"Hello"
.getBytes(),
"World"
.getBytes(),
PdfWriter.ALLOW_SCREENREADERS,
PdfWriter.STANDARD_ENCRYPTION_128);
doc.open();
doc.add(
new
Paragraph(
"Hello World"
));
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4、添加Page
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document.open();
document.add(
new
Paragraph(
"First page"
));
document.add(
new
Paragraph(Document.getVersion()));
document.newPage();
writer.setPageEmpty(
false
);
document.newPage();
document.add(
new
Paragraph(
"New page"
));
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5、添加水印(背景图)
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//图片水印
PdfReader reader =
new
PdfReader(FILE_DIR +
"setWatermark.pdf"
);
PdfStamper stamp =
new
PdfStamper(reader,
new
FileOutputStream(FILE_DIR
+
"setWatermark2.pdf"
));
Image img = Image.getInstance(
"resource/watermark.jpg"
);
img.setAbsolutePosition(
200
,
400
);
PdfContentByte under = stamp.getUnderContent(
1
);
under.addImage(img);
//文字水印
PdfContentByte over = stamp.getOverContent(
2
);
over.beginText();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI,
BaseFont.EMBEDDED);
over.setFontAndSize(bf,
18
);
over.setTextMatrix(
30
,
30
);
over.showTextAligned(Element.ALIGN_LEFT,
"DUPLICATE"
,
230
,
430
,
45
);
over.endText();
//背景图
Image img2 = Image.getInstance(
"resource/test.jpg"
);
img2.setAbsolutePosition(
0
,
0
);
PdfContentByte under2 = stamp.getUnderContent(
3
);
under2.addImage(img2);
stamp.close();
reader.close();
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6、插入Chunk, Phrase, Paragraph, List
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//Chunk对象: a String, a Font, and some attributes
document.add(
new
Chunk(
"China"
));
document.add(
new
Chunk(
" "
));
Font font =
new
Font(Font.FontFamily.HELVETICA,
6
, Font.BOLD, BaseColor.WHITE);
Chunk id =
new
Chunk(
"chinese"
, font);
id.setBackground(BaseColor.BLACK, 1f,
0
.5f, 1f,
1
.5f);
id.setTextRise(
6
);
document.add(id);
document.add(Chunk.NEWLINE);
document.add(
new
Chunk(
"Japan"
));
document.add(
new
Chunk(
" "
));
Font font2 =
new
Font(Font.FontFamily.HELVETICA,
6
, Font.BOLD, BaseColor.WHITE);
Chunk id2 =
new
Chunk(
"japanese"
, font2);
id2.setBackground(BaseColor.BLACK, 1f,
0
.5f, 1f,
1
.5f);
id2.setTextRise(
6
);
id2.setUnderline(
0
.2f, -2f);
document.add(id2);
document.add(Chunk.NEWLINE);
//Phrase对象: a List of Chunks with leading
document.newPage();
document.add(
new
Phrase(
"Phrase page"
));
Phrase director =
new
Phrase();
Chunk name =
new
Chunk(
"China"
);
name.setUnderline(
0
.2f, -2f);
director.add(name);
director.add(
new
Chunk(
","
));
director.add(
new
Chunk(
" "
));
director.add(
new
Chunk(
"chinese"
));
director.setLeading(
24
);
document.add(director);
Phrase director2 =
new
Phrase();
Chunk name2 =
new
Chunk(
"Japan"
);
name2.setUnderline(
0
.2f, -2f);
director2.add(name2);
director2.add(
new
Chunk(
","
));
director2.add(
new
Chunk(
" "
));
director2.add(
new
Chunk(
"japanese"
));
director2.setLeading(
24
);
document.add(director2);
//Paragraph对象: a Phrase with extra properties and a newline
document.newPage();
document.add(
new
Paragraph(
"Paragraph page"
));
Paragraph info =
new
Paragraph();
info.add(
new
Chunk(
"China "
));
info.add(
new
Chunk(
"chinese"
));
info.add(Chunk.NEWLINE);
info.add(
new
Phrase(
"Japan "
));
info.add(
new
Phrase(
"japanese"
));
document.add(info);
//List对象: a sequence of Paragraphs called ListItem
document.newPage();
List list =
new
List(List.ORDERED);
for
(
int
i =
0
; i <
10
; i++) {
ListItem item =
new
ListItem(String.format(
"%s: %d movies"
,
"country"
+ (i +
1
), (i +
1
) *
100
),
new
Font(
Font.FontFamily.HELVETICA,
6
, Font.BOLD, BaseColor.WHITE));
List movielist =
new
List(List.ORDERED, List.ALPHABETICAL);
movielist.setLowercase(List.LOWERCASE);
for
(
int
j =
0
; j <
5
; j++) {
ListItem movieitem =
new
ListItem(
"Title"
+ (j +
1
));
List directorlist =
new
List(List.UNORDERED);
for
(
int
k =
0
; k <
3
; k++) {
directorlist.add(String.format(
"%s, %s"
,
"Name1"
+ (k +
1
),
"Name2"
+ (k +
1
)));
}
movieitem.add(directorlist);
movielist.add(movieitem);
}
item.add(movielist);
list.add(item);
}
document.add(list);
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7、插入Anchor, Image, Chapter, Section
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//Anchor对象: internal and external links
Paragraph country =
new
Paragraph();
Anchor dest =
new
Anchor(
"china"
,
new
Font(Font.FontFamily.HELVETICA,
14
, Font.BOLD, BaseColor.BLUE));
dest.setName(
"CN"
);
dest.setReference(
"http://www.china.com"
);//external
country.add(dest);
country.add(String.format(
": %d sites"
,
10000
));
document.add(country);
document.newPage();
Anchor toUS =
new
Anchor(
"Go to first page."
,
new
Font(Font.FontFamily.HELVETICA,
14
, Font.BOLD, BaseColor.BLUE));
toUS.setReference(
"#CN"
);
//internal
document.add(toUS);
//Image对象
document.newPage();
Image img = Image.getInstance(
"resource/test.jpg"
);
img.setAlignment(Image.LEFT | Image.TEXTWRAP);
img.setBorder(Image.BOX);
img.setBorderWidth(
10
);
img.setBorderColor(BaseColor.WHITE);
img.scaleToFit(
1000
,
72
);
//大小
img.setRotationDegrees(-
30
);
//旋转
document.add(img);
//Chapter, Section对象（目录）
document.newPage();
Paragraph title =
new
Paragraph(
"Title"
);
Chapter chapter =
new
Chapter(title,
1
);
title =
new
Paragraph(
"Section A"
);
Section section = chapter.addSection(title);
section.setBookmarkTitle(
"bmk"
);
section.setIndentation(
30
);
section.setBookmarkOpen(
false
);
section.setNumberStyle(
Section.NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT);
Section subsection = section.addSection(
new
Paragraph(
"Sub Section A"
));
subsection.setIndentationLeft(
20
);
subsection.setNumberDepth(
1
);
document.add(chapter);
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8、画图
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//左右箭头
document.add(
new
VerticalPositionMark() {
public
void
draw(PdfContentByte canvas,
float
llx,
float
lly,
float
urx,
float
ury,
float
y) {
canvas.beginText();
BaseFont bf =
null
;
try
{
bf = BaseFont.createFont(BaseFont.ZAPFDINGBATS,
""
, BaseFont.EMBEDDED);
}
catch
(Exception e) {
e.printStackTrace();
}
canvas.setFontAndSize(bf,
12
);
// LEFT
canvas.showTextAligned(Element.ALIGN_CENTER, String.valueOf((
char
)
220
), llx -
10
, y,
0
);
// RIGHT
canvas.showTextAligned(Element.ALIGN_CENTER, String.valueOf((
char
)
220
), urx +
10
, y +
8
,
180
);
canvas.endText();
}
});
//直线
Paragraph p1 =
new
Paragraph(
"LEFT"
);
p1.add(
new
Chunk(
new
LineSeparator()));
p1.add(
"R"
);
document.add(p1);
//点线
Paragraph p2 =
new
Paragraph(
"LEFT"
);
p2.add(
new
Chunk(
new
DottedLineSeparator()));
p2.add(
"R"
);
document.add(p2);
//下滑线
LineSeparator UNDERLINE =
new
LineSeparator(
1
,
100
,
null
, Element.ALIGN_CENTER, -
2
);
Paragraph p3 =
new
Paragraph(
"NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN"
);
p3.add(UNDERLINE);
document.add(p3);
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9、设置段落
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Paragraph p =
new
Paragraph(
"In the previous example, you added a header and footer with the showTextAligned() method. This example demonstrates that it’s sometimes more interesting to use PdfPTable and writeSelectedRows(). You can define a bottom border for each cell so that the header is underlined. This is the most elegant way to add headers and footers, because the table mechanism allows you to position and align lines, images, and text."
);
//默认
p.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(p);
document.newPage();
p.setAlignment(Element.ALIGN_JUSTIFIED);
p.setIndentationLeft(
1
* 15f);
p.setIndentationRight((
5
-
1
) * 15f);
document.add(p);
//居右
document.newPage();
p.setAlignment(Element.ALIGN_RIGHT);
p.setSpacingAfter(15f);
document.add(p);
//居左
document.newPage();
p.setAlignment(Element.ALIGN_LEFT);
p.setSpacingBefore(15f);
document.add(p);
//居中
document.newPage();
p.setAlignment(Element.ALIGN_CENTER);
p.setSpacingAfter(15f);
p.setSpacingBefore(15f);
document.add(p);
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10、删除Page
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FileOutputStream out =
new
FileOutputStream(FILE_DIR +
"deletePage.pdf"
);
Document document =
new
Document();
PdfWriter writer = PdfWriter.getInstance(document, out);
document.open();
document.add(
new
Paragraph(
"First page"
));
document.add(
new
Paragraph(Document.getVersion()));
document.newPage();
writer.setPageEmpty(
false
);
document.newPage();
document.add(
new
Paragraph(
"New page"
));
document.close();
PdfReader reader =
new
PdfReader(FILE_DIR +
"deletePage.pdf"
);
reader.selectPages(
"1,3"
);
PdfStamper stamp =
new
PdfStamper(reader,
new
FileOutputStream(FILE_DIR
+
"deletePage2.pdf"
));
stamp.close();
reader.close();
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11、插入Page
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FileOutputStream out =
new
FileOutputStream(FILE_DIR +
"insertPage.pdf"
);
Document document =
new
Document();
PdfWriter.getInstance(document, out);
document.open();
document.add(
new
Paragraph(
"1 page"
));
document.newPage();
document.add(
new
Paragraph(
"2 page"
));
document.newPage();
document.add(
new
Paragraph(
"3 page"
));
document.close();
PdfReader reader =
new
PdfReader(FILE_DIR +
"insertPage.pdf"
);
PdfStamper stamp =
new
PdfStamper(reader,
new
FileOutputStream(FILE_DIR
+
"insertPage2.pdf"
));
stamp.insertPage(
2
, reader.getPageSize(
1
));
ColumnText ct =
new
ColumnText(
null
);
ct.addElement(
new
Paragraph(
24
,
new
Chunk(
"INSERT PAGE"
)));
ct.setCanvas(stamp.getOverContent(
2
));
ct.setSimpleColumn(
36
,
36
,
559
,
770
);
stamp.close();
reader.close();
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12、排序page
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PdfWriter writer = PdfWriter.getInstance(doc, out);
writer.setLinearPageMode();
doc.open();
doc.add(
new
Paragraph(
"1 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"2 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"3 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"4 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"5 page"
));
int
[] order = {
4
,
3
,
2
,
1
};
writer.reorderPages(order);
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13、目录
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// Code 1
document.add(
new
Chunk(
"Chapter 1"
).setLocalDestination(
"1"
));
document.newPage();
document.add(
new
Chunk(
"Chapter 2"
).setLocalDestination(
"2"
));
document.add(
new
Paragraph(
new
Chunk(
"Sub 2.1"
).setLocalDestination(
"2.1"
)));
document.add(
new
Paragraph(
new
Chunk(
"Sub 2.2"
).setLocalDestination(
"2.2"
)));
document.newPage();
document.add(
new
Chunk(
"Chapter 3"
).setLocalDestination(
"3"
));
// Code 2
PdfContentByte cb = writer.getDirectContent();
PdfOutline root = cb.getRootOutline();
// Code 3
@SuppressWarnings
(
"unused"
)
PdfOutline oline1 =
new
PdfOutline(root, PdfAction.gotoLocalPage(
"1"
,
false
),
"Chapter 1"
);
PdfOutline oline2 =
new
PdfOutline(root, PdfAction.gotoLocalPage(
"2"
,
false
),
"Chapter 2"
);
oline2.setOpen(
false
);
@SuppressWarnings
(
"unused"
)
PdfOutline oline2_1 =
new
PdfOutline(oline2, PdfAction.gotoLocalPage(
"2.1"
,
false
),
"Sub 2.1"
);
@SuppressWarnings
(
"unused"
)
PdfOutline oline2_2 =
new
PdfOutline(oline2, PdfAction.gotoLocalPage(
"2.2"
,
false
),
"Sub 2.2"
);
@SuppressWarnings
(
"unused"
)
PdfOutline oline3 =
new
PdfOutline(root, PdfAction.gotoLocalPage(
"3"
,
false
),
"Chapter 3"
);
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14、Header, Footer
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PdfWriter writer = PdfWriter.getInstance(doc,
new
FileOutputStream(FILE_DIR +
"setHeaderFooter.pdf"
));
writer.setPageEvent(
new
PdfPageEventHelper() {
public
void
onEndPage(PdfWriter writer, Document document) {
PdfContentByte cb = writer.getDirectContent();
cb.saveState();
cb.beginText();
BaseFont bf =
null
;
try
{
bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
}
catch
(Exception e) {
e.printStackTrace();
}
cb.setFontAndSize(bf,
10
);
//Header
float
x = document.top(-
20
);
//左
cb.showTextAligned(PdfContentByte.ALIGN_LEFT,
"H-Left"
,
document.left(), x,
0
);
//中
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
writer.getPageNumber()+
" page"
,
(document.right() + document.left())/
2
,
x,
0
);
//右
cb.showTextAligned(PdfContentByte.ALIGN_RIGHT,
"H-Right"
,
document.right(), x,
0
);
//Footer
float
y = document.bottom(-
20
);
//左
cb.showTextAligned(PdfContentByte.ALIGN_LEFT,
"F-Left"
,
document.left(), y,
0
);
//中
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
writer.getPageNumber()+
" page"
,
(document.right() + document.left())/
2
,
y,
0
);
//右
cb.showTextAligned(PdfContentByte.ALIGN_RIGHT,
"F-Right"
,
document.right(), y,
0
);
cb.endText();
cb.restoreState();
}
});
doc.open();
doc.add(
new
Paragraph(
"1 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"2 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"3 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"4 page"
));
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15、左右文字
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PdfWriter writer = PdfWriter.getInstance(document, out);
document.open();
PdfContentByte canvas = writer.getDirectContent();
Phrase phrase1 =
new
Phrase(
"This is a test!left"
);
Phrase phrase2 =
new
Phrase(
"This is a test!right"
);
Phrase phrase3 =
new
Phrase(
"This is a test!center"
);
ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, phrase1,
10
,
500
,
0
);
ColumnText.showTextAligned(canvas, Element.ALIGN_RIGHT, phrase2,
10
,
536
,
0
);
ColumnText.showTextAligned(canvas, Element.ALIGN_CENTER, phrase3,
10
,
572
,
0
);
|
16、幻灯片放映
|
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PdfWriter writer = PdfWriter.getInstance(doc, out);
writer.setPdfVersion(PdfWriter.VERSION_1_5);
writer.setViewerPreferences(PdfWriter.PageModeFullScreen);
//全屏
writer.setPageEvent(
new
PdfPageEventHelper() {
public
void
onStartPage(PdfWriter writer, Document document) {
writer.setTransition(
new
PdfTransition(PdfTransition.DISSOLVE,
3
));
writer.setDuration(
5
);
//间隔时间
}
});
doc.open();
doc.add(
new
Paragraph(
"1 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"2 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"3 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"4 page"
));
doc.newPage();
doc.add(
new
Paragraph(
"5 page"
));
|
17、压缩PDF到Zip
|
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ZipOutputStream zip =
new
ZipOutputStream(
new
FileOutputStream(FILE_DIR +
"zipPDF.zip"
));
for
(
int
i =
1
; i <=
3
; i++) {
ZipEntry entry =
new
ZipEntry(
"hello_"
+ i +
".pdf"
);
zip.putNextEntry(entry);
Document document =
new
Document();
PdfWriter writer = PdfWriter.getInstance(document, zip);
writer.setCloseStream(
false
);
document.open();
document.add(
new
Paragraph(
"Hello "
+ i));
document.close();
zip.closeEntry();
}
zip.close();
|
18、分割PDF
|
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FileOutputStream out =
new
FileOutputStream(FILE_DIR +
"splitPDF.pdf"
);
Document document =
new
Document();
PdfWriter.getInstance(document, out);
document.open();
document.add(
new
Paragraph(
"1 page"
));
document.newPage();
document.add(
new
Paragraph(
"2 page"
));
document.newPage();
document.add(
new
Paragraph(
"3 page"
));
document.newPage();
document.add(
new
Paragraph(
"4 page"
));
document.close();
PdfReader reader =
new
PdfReader(FILE_DIR +
"splitPDF.pdf"
);
Document dd =
new
Document();
PdfWriter writer = PdfWriter.getInstance(dd,
new
FileOutputStream(FILE_DIR +
"splitPDF1.pdf"
));
dd.open();
PdfContentByte cb = writer.getDirectContent();
dd.newPage();
cb.addTemplate(writer.getImportedPage(reader,
1
),
0
,
0
);
dd.newPage();
cb.addTemplate(writer.getImportedPage(reader,
2
),
0
,
0
);
dd.close();
writer.close();
Document dd2 =
new
Document();
PdfWriter writer2 = PdfWriter.getInstance(dd2,
new
FileOutputStream(FILE_DIR +
"splitPDF2.pdf"
));
dd2.open();
PdfContentByte cb2 = writer2.getDirectContent();
dd2.newPage();
cb2.addTemplate(writer2.getImportedPage(reader,
3
),
0
,
0
);
dd2.newPage();
cb2.addTemplate(writer2.getImportedPage(reader,
4
),
0
,
0
);
dd2.close();
writer2.close();
|
19、合并PDF
|
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PdfReader reader1 =
new
PdfReader(FILE_DIR +
"splitPDF1.pdf"
);
PdfReader reader2 =
new
PdfReader(FILE_DIR +
"splitPDF2.pdf"
);
FileOutputStream out =
new
FileOutputStream(FILE_DIR +
"mergePDF.pdf"
);
Document document =
new
Document();
PdfWriter writer = PdfWriter.getInstance(document, out);
document.open();
PdfContentByte cb = writer.getDirectContent();
int
totalPages =
0
;
totalPages += reader1.getNumberOfPages();
totalPages += reader2.getNumberOfPages();
java.util.List<PdfReader> readers =
new
ArrayList<PdfReader>();
readers.add(reader1);
readers.add(reader2);
int
pageOfCurrentReaderPDF =
0
;
Iterator<PdfReader> iteratorPDFReader = readers.iterator();
// Loop through the PDF files and add to the output.
while
(iteratorPDFReader.hasNext()) {
PdfReader pdfReader = iteratorPDFReader.next();
// Create a new page in the target for each source page.
while
(pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
document.newPage();
pageOfCurrentReaderPDF++;
PdfImportedPage page = writer.getImportedPage(pdfReader, pageOfCurrentReaderPDF);
cb.addTemplate(page,
0
,
0
);
}
pageOfCurrentReaderPDF =
0
;
}
out.flush();
document.close();
out.close();
|
20、Annotation
|
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|
PdfWriter writer = PdfWriter.getInstance(doc, out);
writer.setLinearPageMode();
doc.open();
doc.add(
new
Paragraph(
"1 page"
));
doc.add(
new
Annotation(
"Title"
,
"This is a annotation!"
));
doc.newPage();
doc.add(
new
Paragraph(
"2 page"
));
Chunk chunk =
new
Chunk(
"\u00a0"
);
chunk.setAnnotation(PdfAnnotation.createText(writer,
null
,
"Title"
,
"This is a another annotation!"
,
false
,
"Comment"
));
doc.add(chunk);
//添加附件
doc.newPage();
doc.add(
new
Paragraph(
"3 page"
));
Chunk chunk2 =
new
Chunk(
"\u00a0\u00a0"
);
PdfAnnotation annotation = PdfAnnotation.createFileAttachment(
writer,
null
,
"Title"
,
null
,
"resource/test2.jpg"
,
"img.jpg"
);
annotation.put(PdfName.NAME,
new
PdfString(
"Paperclip"
));
chunk2.setAnnotation(annotation);
doc.add(chunk2);
|
21、插入一个Table
|
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PdfPTable table =
new
PdfPTable(
3
);
PdfPCell cell;
cell =
new
PdfPCell(
new
Phrase(
"Cell with colspan 3"
));
cell.setColspan(
3
);
table.addCell(cell);
cell =
new
PdfPCell(
new
Phrase(
"Cell with rowspan 2"
));
cell.setRowspan(
2
);
table.addCell(cell);
table.addCell(
"row 1; cell 1"
);
table.addCell(
"row 1; cell 2"
);
table.addCell(
"row 2; cell 1"
);
table.addCell(
"row 2; cell 2"
);
document.add(table);
|
22、表格嵌套
|
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|
PdfPTable table =
new
PdfPTable(
4
);
//1行2列
PdfPTable nested1 =
new
PdfPTable(
2
);
nested1.addCell(
"1.1"
);
nested1.addCell(
"1.2"
);
//2行1列
PdfPTable nested2 =
new
PdfPTable(
1
);
nested2.addCell(
"2.1"
);
nested2.addCell(
"2.2"
);
//将表格插入到指定位置
for
(
int
k =
0
; k <
24
; ++k) {
if
(k ==
1
) {
table.addCell(nested1);
}
else
if
(k ==
20
) {
table.addCell(nested2);
}
else
{
table.addCell(
"cell "
+ k);
}
}
document.add(table);
|
23、设置表格宽度
|
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|
PdfPTable table =
new
PdfPTable(
3
);
PdfPCell cell;
cell =
new
PdfPCell(
new
Phrase(
"Cell with colspan 3"
));
cell.setColspan(
3
);
table.addCell(cell);
cell =
new
PdfPCell(
new
Phrase(
"Cell with rowspan 2"
));
cell.setRowspan(
2
);
table.addCell(cell);
table.addCell(
"row 1; cell 1"
);
table.addCell(
"row 1; cell 2"
);
table.addCell(
"row 2; cell 1"
);
table.addCell(
"row 2; cell 2"
);
//100%
table.setWidthPercentage(
100
);
document.add(table);
document.add(
new
Paragraph(
"\n\n"
));
//宽度50% 居左
table.setHorizontalAlignment(Element.ALIGN_LEFT);
document.add(table);
document.add(
new
Paragraph(
"\n\n"
));
//宽度50% 居中
table.setHorizontalAlignment(Element.ALIGN_CENTER);
document.add(table);
document.add(
new
Paragraph(
"\n\n"
));
//宽度50% 居右
table.setWidthPercentage(
50
);
table.setHorizontalAlignment(Element.ALIGN_RIGHT);
document.add(table);
document.add(
new
Paragraph(
"\n\n"
));
//固定宽度
table.setTotalWidth(
300
);
table.setLockedWidth(
true
);
document.add(table);
|
24、设置表格前后间隔
|
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|
PdfPTable table =
new
PdfPTable(
3
);
PdfPCell cell =
new
PdfPCell(
new
Paragraph(
"合并3个单元格"
,fontZH));
cell.setColspan(
3
);
table.addCell(cell);
table.addCell(
"1.1"
);
table.addCell(
"2.1"
);
table.addCell(
"3.1"
);
table.addCell(
"1.2"
);
table.addCell(
"2.2"
);
table.addCell(
"3.2"
);
cell =
new
PdfPCell(
new
Paragraph(
"红色边框"
,fontZH));
cell.setBorderColor(
new
BaseColor(
255
,
0
,
0
));
table.addCell(cell);
cell =
new
PdfPCell(
new
Paragraph(
"合并单2个元格"
,fontZH));
cell.setColspan(
2
);
cell.setBackgroundColor(
new
BaseColor(
0xC0
,
0xC0
,
0xC0
));
table.addCell(cell);
table.setWidthPercentage(
50
);
document.add(
new
Paragraph(
"追加2个表格"
,fontZH));
document.add(table);
document.add(table);
document.newPage();
document.add(
new
Paragraph(
"使用'SpacingBefore'和'setSpacingAfter'"
,fontZH));
table.setSpacingBefore(15f);
document.add(table);
document.add(table);
document.add(
new
Paragraph(
"这里没有间隔"
,fontZH));
table.setSpacingAfter(15f);
|
25、设置单元格宽度
|
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|
//按比例设置单元格宽度
float
[] widths = {
0
.1f,
0
.1f,
0
.05f,
0
.75f};
PdfPTable table =
new
PdfPTable(widths);
table.addCell(
"10%"
);
table.addCell(
"10%"
);
table.addCell(
"5%"
);
table.addCell(
"75%"
);
table.addCell(
"aa"
);
table.addCell(
"aa"
);
table.addCell(
"a"
);
table.addCell(
"aaaaaaaaaaaaaaa"
);
table.addCell(
"bb"
);
table.addCell(
"bb"
);
table.addCell(
"b"
);
table.addCell(
"bbbbbbbbbbbbbbb"
);
table.addCell(
"cc"
);
table.addCell(
"cc"
);
table.addCell(
"c"
);
table.addCell(
"ccccccccccccccc"
);
document.add(table);
document.add(
new
Paragraph(
"\n\n"
));
//调整比例
widths[
0
] = 20f;
widths[
1
] = 20f;
widths[
2
] = 10f;
widths[
3
] = 50f;
table.setWidths(widths);
document.add(table);
//按绝对值设置单元格宽度
widths[
0
] = 40f;
widths[
1
] = 40f;
widths[
2
] = 20f;
widths[
3
] = 300f;
Rectangle r =
new
Rectangle(PageSize.A4.getRight(
72
), PageSize.A4.getTop(
72
));
table.setWidthPercentage(widths, r);
document.add(
new
Paragraph(
"\n\n"
));
document.add(table);
|
26、设置单元格高度
|
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38
|
PdfPTable table =
new
PdfPTable(
2
);
PdfPCell cell;
//折行
table.addCell(
new
PdfPCell(
new
Paragraph(
"折行"
, fontZH)));
cell =
new
PdfPCell(
new
Paragraph(
"blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah"
));
cell.setNoWrap(
false
);
table.addCell(cell);
//不折行
table.addCell(
new
PdfPCell(
new
Paragraph(
"不折行"
, fontZH)));
cell.setNoWrap(
true
);
table.addCell(cell);
//设置高度
table.addCell(
new
PdfPCell(
new
Paragraph(
"任意高度"
,fontZH)));
cell =
new
PdfPCell(
new
Paragraph(
"1. blah blah\n2. blah blah blah\n3. blah blah\n4. blah blah blah\n5. blah blah\n6. blah blah blah\n7. blah blah\n8. blah blah blah"
));
table.addCell(cell);
//固定高度
table.addCell(
new
PdfPCell(
new
Paragraph(
"固定高度"
,fontZH)));
cell.setFixedHeight(50f);
table.addCell(cell);
//最小高度
table.addCell(
new
PdfPCell(
new
Paragraph(
"最小高度"
,fontZH)));
cell =
new
PdfPCell(
new
Paragraph(
"最小高度：50"
,fontZH));
cell.setMinimumHeight(50f);
table.addCell(cell);
//最后一行拉长到page底部
table.setExtendLastRow(
true
);
table.addCell(
new
PdfPCell(
new
Paragraph(
"拉长最后一行"
,fontZH)));
cell =
new
PdfPCell(
new
Paragraph(
"最后一行拉长到page底部"
,fontZH));
table.addCell(cell);
document.add(table);
|
27、设置单元格颜色
|
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42
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44
|
PdfPTable table =
new
PdfPTable(
4
);
PdfPCell cell;
cell =
new
PdfPCell(
new
Paragraph(
"颜色测试"
,fontZH));
table.addCell(cell);
//红色背景，无边框
cell =
new
PdfPCell(
new
Paragraph(
"红色背景，无边框"
,fontZH));
cell.setBorder(Rectangle.NO_BORDER);
cell.setBackgroundColor(BaseColor.RED);
table.addCell(cell);
//绿色背景，下边框
cell =
new
PdfPCell(
new
Paragraph(
"绿色背景，下边框"
,fontZH));
cell.setBorder(Rectangle.BOTTOM);
cell.setBorderColorBottom(BaseColor.MAGENTA);
cell.setBorderWidthBottom(5f);
cell.setBackgroundColor(BaseColor.GREEN);
table.addCell(cell);
//蓝色背景，上边框
cell =
new
PdfPCell(
new
Paragraph(
"蓝色背景，上边框"
,fontZH));
cell.setBorder(Rectangle.TOP);
cell.setUseBorderPadding(
true
);
cell.setBorderWidthTop(5f);
cell.setBorderColorTop(BaseColor.CYAN);
cell.setBackgroundColor(BaseColor.BLUE);
table.addCell(cell);
cell =
new
PdfPCell(
new
Paragraph(
"背景灰色度"
,fontZH));
table.addCell(cell);
cell =
new
PdfPCell(
new
Paragraph(
"0.25"
));
cell.setBorder(Rectangle.NO_BORDER);
cell.setGrayFill(
0
.25f);
table.addCell(cell);
cell =
new
PdfPCell(
new
Paragraph(
"0.5"
));
cell.setBorder(Rectangle.NO_BORDER);
cell.setGrayFill(
0
.5f);
table.addCell(cell);
cell =
new
PdfPCell(
new
Paragraph(
"0.75"
));
cell.setBorder(Rectangle.NO_BORDER);
cell.setGrayFill(
0
.75f);
table.addCell(cell);
document.add(table);
|
28、插入图像
|
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17
|
Image image = Image.getInstance(
"resource/test2.jpg"
);
float
[] widths = { 1f, 4f };
PdfPTable table =
new
PdfPTable(widths);
//插入图片
table.addCell(
new
PdfPCell(
new
Paragraph(
"图片测试"
, fontZH)));
table.addCell(image);
//调整图片大小
table.addCell(
"This two"
);
table.addCell(
new
PdfPCell(image,
true
));
//不调整
table.addCell(
"This three"
);
table.addCell(
new
PdfPCell(image,
false
));
document.add(table);
|
29、设置表头
|
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|
String[] bogusData = {
"M0065920"
,
"SL"
,
"FR86000P"
,
"PCGOLD"
,
"119000"
,
"96 06"
,
"2001-08-13"
,
"4350"
,
"6011648299"
,
"FLFLMTGP"
,
"153"
,
"119000.00"
};
int
NumColumns =
12
;
// 12
PdfPTable datatable =
new
PdfPTable(NumColumns);
int
headerwidths[] = {
9
,
4
,
8
,
10
,
8
,
11
,
9
,
7
,
9
,
10
,
4
,
10
};
// percentage
datatable.setWidths(headerwidths);
datatable.setWidthPercentage(
100
);
datatable.getDefaultCell().setPadding(
3
);
datatable.getDefaultCell().setBorderWidth(
2
);
datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
datatable.addCell(
"Clock #"
);
datatable.addCell(
"Trans Type"
);
datatable.addCell(
"Cusip"
);
datatable.addCell(
"Long Name"
);
datatable.addCell(
"Quantity"
);
datatable.addCell(
"Fraction Price"
);
datatable.addCell(
"Settle Date"
);
datatable.addCell(
"Portfolio"
);
datatable.addCell(
"ADP Number"
);
datatable.addCell(
"Account ID"
);
datatable.addCell(
"Reg Rep ID"
);
datatable.addCell(
"Amt To Go "
);
datatable.setHeaderRows(
1
);
//边框
datatable.getDefaultCell().setBorderWidth(
1
);
//背景色
for
(
int
i =
1
; i <
1000
; i++) {
for
(
int
x =
0
; x < NumColumns; x++) {
datatable.addCell(bogusData[x]);
}
}
document.add(datatable);
|
30、分割表格
|
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2
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5
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7
8
9
10
|
//横向分割
PdfContentByte cb = writer.getDirectContent();
PdfPTable table =
new
PdfPTable(
10
);
for
(
int
k =
1
; k <=
100
; ++k) {
table.addCell(
"The number "
+ k);
}
table.setTotalWidth(
400
);
table.writeSelectedRows(
0
,
5
,
0
, -
1
,
5
,
700
, cb);
table.writeSelectedRows(
5
, -
1
,
0
, -
1
,
210
,
700
, cb);
|
31、设置单元格留白
|
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2
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7
8
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12
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15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
PdfPTable table =
new
PdfPTable(
2
);
PdfPCell cell;
Paragraph p =
new
Paragraph(
"Quick brown fox jumps over the lazy dog. Quick brown fox jumps over the lazy dog."
);
table.addCell(
new
PdfPCell(
new
Paragraph(
"默认"
,fontZH)));
table.addCell(p);
table.addCell(
new
PdfPCell(
new
Paragraph(
"Padding：10"
,fontZH)));
cell =
new
PdfPCell(p);
cell.setPadding(10f);
table.addCell(cell);
table.addCell(
new
PdfPCell(
new
Paragraph(
"Padding：0"
,fontZH)));
cell =
new
PdfPCell(p);
cell.setPadding(0f);
table.addCell(cell);
table.addCell(
new
PdfPCell(
new
Paragraph(
"上Padding：0 左Padding：20"
,fontZH)));
cell =
new
PdfPCell(p);
cell.setPaddingTop(0f);
cell.setPaddingLeft(20f);
table.addCell(cell);
document.add(table);
document.newPage();
table =
new
PdfPTable(
2
);
table.addCell(
new
PdfPCell(
new
Paragraph(
"没有Leading"
,fontZH)));
table.getDefaultCell().setLeading(0f, 0f);
table.addCell(
"blah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\n"
);
table.getDefaultCell().setLeading(14f, 0f);
table.addCell(
new
PdfPCell(
new
Paragraph(
"固定Leading：14pt"
,fontZH)));
table.addCell(
"blah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\n"
);
table.addCell(
new
PdfPCell(
new
Paragraph(
"相对于字体"
,fontZH)));
table.getDefaultCell().setLeading(0f,
1
.0f);
table.addCell(
"blah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\nblah blah\nblah blah blah\n"
);
document.add(table);
|
32、设置单元格边框
|
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2
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20
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23
24
|
//没有边框
PdfPTable table1 =
new
PdfPTable(
3
);
table1.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
table1.addCell(
new
Paragraph(
"Cell 1"
));
table1.addCell(
new
Paragraph(
"Cell 2"
));
table1.addCell(
new
Paragraph(
"Cell 3"
));
document.add(table1);
//边框粗细颜色
document.newPage();
Rectangle b1 =
new
Rectangle(0f, 0f);
b1.setBorderWidthLeft(6f);
b1.setBorderWidthBottom(5f);
b1.setBorderWidthRight(4f);
b1.setBorderWidthTop(2f);
b1.setBorderColorLeft(BaseColor.RED);
b1.setBorderColorBottom(BaseColor.ORANGE);
b1.setBorderColorRight(BaseColor.YELLOW);
b1.setBorderColorTop(BaseColor.GREEN);
PdfPTable table2 =
new
PdfPTable(
1
);
PdfPCell cell =
new
PdfPCell(
new
Paragraph(
"Cell 1"
));
cell.cloneNonPositionParameters(b1);
table2.addCell(cell);
document.add(table2);
|
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