iText “XML Worker”允许开发人员以一种程序员友好的方式将XML文件转换成PDF文件。iText还可以将包含CSS样式的HTML转换为PDF格式的文档。
目标:
- 实现如何利用iText Java库将HTML文件转换成PDF文档？
Environment & Tools
- Eclipse (or any other IDE)
- Maven (optional)
Library:
- iText 5.4.2
- List of jar files: .classpath
- List of Maven dependencies: pom.xml
( 1 ) HTML File
- index.html
01
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
02
<
html
>
03
<
head
>
04
<
title
>HTML to PDF</
title
>
05
<
link
href
=
"style.css"
rel
=
"stylesheet"
type
=
"text/css"
/>
06
</
head
>
07
<
body
>
08
<
h1
>HTML to PDF</
h1
>
09
<
p
>
10
<
span
class
=
"itext"
>itext</
span
> 5.4.2 <
span
class
=
"description"
> converting HTML to PDF</
span
>
11
</
p
>
12
<
table
>
13
<
tr
>
14
<
th
class
=
"label"
>Title</
th
>
15
<
td
>iText - Java HTML to PDF</
td
>
16
</
tr
>
17
<
tr
>
18
<
th
>URL</
th
>
19
<
td
>http://hmkcode.com/itext-html-to-pdf-using-java</
td
>
20
</
tr
>
21
</
table
>
22
</
body
>
23
</
html
>
- style.css
01
h
1
{
02
color
:
#ccc
;
03
}
04
table tr td{
05
text-align
:
center
;
06
border
:
1px
solid
gray
;
07
padding
:
4px
;
08
}
09
table tr th{
10
background-color
:
#84C7FD
;
11
color
:
#fff
;
12
width
:
100px
;
13
}
14
.itext{
15
color
:
#84C7FD
;
16
font-weight
:
bold
;
17
}
18
.description{
19
color
:
gray
;
20
}
iText – 使用Java将HTML转换为PDF ( 2 ) Java App
- App.java
01
package
com.hmkcode;
02
03
import
java.io.FileInputStream;
04
import
java.io.FileOutputStream;
05
import
java.io.IOException;
06
import
com.itextpdf.text.Document;
07
import
com.itextpdf.text.DocumentException;
08
import
com.itextpdf.text.pdf.PdfWriter;
09
import
com.itextpdf.tool.xml.XMLWorkerHelper;
10
11
public
class
App
12
{
13
public
static
void
main( String[] args )
throws
DocumentException, IOException
14
{
15
// step 1
16
Document document =
new
Document();
17
// step 2
18
PdfWriter writer = PdfWriter.getInstance(document,
new
FileOutputStream(
"pdf.pdf"
));
19
// step 3
20
document.open();
21
// step 4
22
XMLWorkerHelper.getInstance().parseXHtml(writer, document,
23
new
FileInputStream(
"index.html"
));
24
//step 5
25
document.close();
26
27
System.out.println(
"PDF Created!"
);
28
}
29
}
( 3 ) Output “PDF”
Source Code @ GitHub
iText – 使用Java将HTML转换为PDF
