�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x61;&#x76;&#x7535;&#x5F71;&#x5728;&#x7EBF;&#x514D;&#x8D39;&#x2C;&#x4E5D;&#x8272;&#x56FD;&#x4EA7;&#x5728;&#x7EBF;&#x89C2;&#x770B;&#x2C;&#x8272;&#x54DF;&#x54DF;&#x5728;&#x7EBF;&#x89C2;&#x770B;</title><link>http://www.aygfsteel.com/keweibo/category/47645.html</link><description>一�? Java 多能  Powerbuilder,Delphi ... </description><language>zh-cn</language><lastBuildDate>Tue, 18 Jan 2011 14:48:15 GMT</lastBuildDate><pubDate>Tue, 18 Jan 2011 14:48:15 GMT</pubDate><ttl>60</ttl><item><title>使用Java�l��gitext 生成pdf介绍(�?</title><link>http://www.aygfsteel.com/keweibo/articles/343138.html</link><dc:creator>KE</dc:creator><author>KE</author><pubDate>Tue, 18 Jan 2011 03:51:00 GMT</pubDate><guid>http://www.aygfsteel.com/keweibo/articles/343138.html</guid><wfw:comment>http://www.aygfsteel.com/keweibo/comments/343138.html</wfw:comment><comments>http://www.aygfsteel.com/keweibo/articles/343138.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/keweibo/comments/commentRss/343138.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/keweibo/services/trackbacks/343138.html</trackback:ping><description><![CDATA[<div   id="wmqeeuq"   class="news-content">
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">轉自:http://news.newhua.com/news/2011/0111/113128.shtml<br />
</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText是一个能够快速��生PDF文�g的java�c�d��。iText的java�c�d��于那些要产生包含文本�Q�表��|��囑�Ş的只��L��档是很有用的。它的类库尤其与java Servlet有很好的�l�合。��用iText与PDF能够使你正确的控制Servlet的输出�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">一、前�a�</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">在企
业的信息�pȝ��中，报表处理一直占比较重要的作用，Java�l��g——iText可以非常快速的生成PDF报表。iText是着名的开放源码的站点
sourceforge一个项目，是用于生成PDF文档的一个java�c�d��。通过iText不仅可以生成PDF或rtf的文档，而且可以���XML�?
Html文�g转化为PDF文�g。通过在服务器端��用Jsp或JavaBean生成PDF报表�Q�客��L(f��ng)��采用�����q�接昄���或下载得到生成的报表�Q�这样就很好�?
解决�?ji��n)B/S�pȝ��的报表处理问题�(sh��)��(ji��n)�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">二、iText����?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText是着名的开放源码的站点sourceforge一个项目，是用于生成PDF文档的一个java�c�d��。通过iText不仅可以生成PDF或rtf的文档，而且可以���XML、Html文�g转化为PDF文�g�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText
的安装非常方便，在http://www.lowagie.com/iText/download.html&nbsp;- download
�|�站上下载iText.jar文�g后，只需要在�pȝ��的CLASSPATH中加入iText.jar的�\径，在程序中���可以��用iText�c�d���?ji��n)�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">三、徏立第一个PDF文档</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">用iText生成PDF文档需�?个步骤：(x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">①徏立com.lowagie.text.Document对象的实例�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Document document = new Document();</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">②徏立一个书写器(Writer)与document对象兌����Q�通过书写�?Writer)可以���文档写入到���盘?sh��)���?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">PDFWriter.getInstance(document, new FileOutputStream("Helloworld.PDF"));</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">③打开文档�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">document.open();</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">④向文档中添加内宏V�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">document.add(new Paragraph("Hello World"));</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">⑤关闭文档�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">document.close();</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">通过上面�?个步骤，���p��产生一个Helloworld.PDF的文�Ӟ��文�g内容�?Hello World"�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">建立com.lowagie.text.Document对象的实�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">com.lowagie.text.Document对象的构建函数有三个�Q�分别是�Q?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public Document();</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public Document(Rectangle pageSize);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public Document(Rectangle pageSize,</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">int marginLeft,</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">int marginRight,</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">int marginTop,</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">int marginBottom);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">构徏
函数的参数pageSize是文档页面的大小�Q�对于第一个构建函敎ͼ���面的大����ؓ(f��)A4�Q�同Document(PageSize.A4)的效果一��P��对于�W?
三个构徏函数�Q�参数marginLeft、marginRight、marginTop、marginBottom分别为左、右、上、下的页边距�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">通过
参数pageSize可以讑֮���面大小、面背景艌Ӏ�以�?qi��ng)页面横�?�U�向�{�属性。iText定义�?ji��n)A0-A10、AL、LETTER�?
HALFLETTER、_11x17、LEDGER、NOTE、B0-B5、ARCH_A-ARCH_E、FLSA
和FLSE�{�纸张类型，也可以通过Rectangle pageSize = new Rectangle(144,
720);自定义纸张。通过Rectangle�Ҏ(gu��)��r(sh��)otate()可以���页面设�|�成横向�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">书写器（Writer�Q�对�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">一�?
文档(document)对象建立好之后，需要徏立一个或多个书写�?Writer)对象与之兌���。通过书写�?Writer)对象可以���具体文档存盘成
需要的格式�Q�如com.lowagie.text.PDF.PDFWriter可以���文档存成PDF文�g�Q?
com.lowagie.text.html.HtmlWriter可以���文档存成html文�g�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">讑֮�文档属�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">在文档打开之前�Q�可以设定文档的标题、主题、作者、关键字、装订方式、创�����、生产者、创建日期等属性，调用的方法分别是�Q?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addTitle(String title)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addSubject(String subject)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addKeywords(String keywords)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addAuthor(String author)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addCreator(String creator)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addProducer()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addCreationDate()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean addHeader(String name, String content)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">其中�Ҏ(gu��)��addHeader对于PDF文档无效�Q�addHeader仅对html文档有效�Q�用于添加文档的头信息�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">当新的页面��生之前，可以讑֮���面的大���、书�{�、脚注（HeaderFooter�Q�等信息�Q�调用的�Ҏ(gu��)��是：(x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean setPageSize(Rectangle pageSize)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public boolean add(Watermark watermark)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void removeWatermark()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void setHeader(HeaderFooter header)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void resetHeader()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void setFooter(HeaderFooter footer)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void resetFooter()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void resetPageCount()</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void setPageCount(int pageN)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">如果要设定第一��늚���面属性，�q�些�Ҏ(gu��)��必须在文档打开之前调用�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">对于PDF文档�Q�iText�q�提供了(ji��n)文档的显�C�属性，通过调用书写器的setViewerPreferences�Ҏ(gu��)��可以控制文档打开时Acrobat Reader的显�C�属性，如是否单��|���C�、是否全屏显�C�、是否隐藏状态条�{�属性�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">另外�Q�iText也提供了(ji��n)对PDF文�g的安全保护，通过书写器（Writer�Q�的setEncryption�Ҏ(gu��)���Q�可以设定文档的用户口��o(h��)、只诅R��可打印�{�属性�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">��d��文档内容</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">所有向文档��d��的内定w��是以对象为单位的�Q�如Phrase、Paragraph、Table、Graphic对象�{�。比较常用的是段�?Paragraph)对象�Q�用于向文档中添加一�D�|��字�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">四、文本处�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText中用文本�?Chunk)、短�?Phrase)和段�?paragraph)处理文本�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">文本�?Chunk)是处理文本的最���单位，有一串带格式�Q�包括字体、颜艌Ӏ�大���）(j��)的字�W�串�l�成。如以下代码���是产生一个字体�ؓ(f��)HELVETICA、大����ؓ(f��)10、带下划�U�的字符�Ԍ��(x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Chunk chunk1 = new Chunk("This text is underlined", FontFactory.getFont(FontFactory.HELVETICA, 12, Font.UNDERLINE));</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">短语
(Phrase)�׃��个或多个文本�?Chunk)�l�成�Q�短�?Phrase)也可以设定字体，但对于其中以讑֮��q�字体的文本�?
(Chunk)无效。通过短语(Phrase)成员函数add可以���一个文本块(Chunk)加到短语(Phrase)中，
如：(x��)phrase6.add(chunk);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">�D�落
(paragraph)�׃��个或多个文本�?Chunk)或短�?Phrase)�l�成�Q�相当于WORD文档中的�D�落概念�Q�同样可以设定段落的字体大小、颜
色等属性。另外也可以讑֮��D�落的首行羃�q�、对齐方式（左对齐、右寚w��、居中对齐）(j��)。通过函数setAlignment可以讑֮��D�落的对齐方式，
setAlignment的参�?为居中对齐�?为右寚w���?为左寚w���Q�默认�ؓ(f��)左对齐�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">五、表格处�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText
中处理表格的�c�Mؓ(f��)�Q�com.lowagie.text.Table和com.lowagie.text.PDF.PDFPTable�Q�对于比较简单的表格
处理可以用com.lowagie.text.Table�Q�但是如果要处理复杂的表��|���q�就需�?
com.lowagie.text.PDF.PDFPTable�q�行处理。这里就�c�com.lowagie.text.Table�q�行说明�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">�c�com.lowagie.text.Table的构造函数有三个�Q?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">①Table (int columns)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">②Table(int columns, int rows)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">③Table(Properties attributes)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">参数columns、rows、attributes分别�����格的列数、行数、表格属性。创�����格时必须指定表格的列敎ͼ�而对于行数可以不用指定�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">建立表格之后�Q�可以设定表格的属性，如：(x��)�Ҏ(gu��)��宽度、边框颜艌Ӏ�衬距（padding space 卛_��元格之间的间距）(j��)大小�{�属性。下面通过一个简单的例子说明如何使用表格�Q�代码如下：(x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">1:Table table = new Table(3);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">2:table.setBorderWidth(1);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">3:table.setBorderColor(new Color(0, 0, 255));</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">4:table.setPadding(5);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">5:table.setSpacing(5);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">6:Cell cell = new Cell("header");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">7:cell.setHeader(true);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">8:cell.setColspan(3);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">9:table.addCell(cell);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">10:table.endHeaders();</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">11:cell = new Cell("example cell with colspan 1 and rowspan 2");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">12:cell.setRowspan(2);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">13:cell.setBorderColor(new Color(255, 0, 0));</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">14:table.addCell(cell);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">15:table.addCell("1.1");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">16:table.addCell("2.1");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">17:table.addCell("1.2");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">18:table.addCell("2.2");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">19:table.addCell("cell test1");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">20:cell = new Cell("big cell");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">21:cell.setRowspan(2);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">22:cell.setColspan(2);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">23:table.addCell(cell);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">24:table.addCell("cell test2");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">�q�行�l�果如下�Q?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">header</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">example cell with colspan 1 and rowspan 2 1.1 2.1</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">1.2 2.2</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">cell test1 big cell</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">cell test2</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">代码1-5行用于新��Z��个表��|��如代码所�C�，建立�?ji��n)一个列��Cؓ(f��)3的表��|���q�将�Ҏ(gu��)��宽度设�ؓ(f��)1�Q�颜色�ؓ(f��)蓝色�Q�衬距�ؓ(f��)5�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">代码
6-10行用于设定表格的表头�Q�第7行cell.setHeader(true);是将该单元格作�ؓ(f��)表头信息昄����Q�第8�?
cell.setColspan(3);指定�?ji��n)该单元格�?列；�����格添加表头信息时�Q�要注意的是一旦表头信息添加完�?ji��n)之后，必须调�?
endHeaders()�Ҏ(gu��)���Q�如�W?0行，否则当表��D����后�Q�表头信息不�?x��)再昄����?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">代码11-14行是向表��g����d��一个宽度占一列，长度占二行的单元根{�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">往表格中添加单元格(cell)�Ӟ��按自左向叟뀁从上而下的次序添加。如执行�?1行代码后�Q�表格的右下方出�?�?列的�I�白�Q�这是再往表格��d��单元格时�Q�先填满�q�个�I�白�Q�然后再另�v一行，15-24行代码说明了(ji��n)�q�种��d����序�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">六、图像处�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText
中处理表格的�c�Mؓ(f��)com.lowagie.text.Image�Q�目前iText支持的图像格式有�Q�GIF, Jpeg, PNG,
wmf�{�格式，对于不同的图像格式，iText用同��L(f��ng)��构造函数自动识别图像格式。通过下面的代码分别获得gif、jpg、png囑փ�的实例�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Image gif = Image.getInstance("vonnegut.gif");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Image jpeg = Image.getInstance("myKids.jpg");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Image png = Image.getInstance("hitchcock.png");</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">囑փ�的位�|?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">囑փ�
的位�|�主要是指图像在文档中的寚w��方式、图像和文本的位�|�关�p�R��IText中通过函数public void setAlignment(int
alignment)�q�行处理�Q�参数alignment为Image.RIGHT、Image.MIDDLE、Image.LEFT分别指右寚w��、居中�?
左对齐；当参数alignment为Image.TEXTWRAP、Image.UNDERLYING分别指文字绕囑�Ş昄���、图形作为文字的背景昄���。这
两种参数可以�l�合以达到预期的效果�Q�如setAlignment(Image.RIGHT|Image.TEXTWRAP)昄���的效果�ؓ(f��)囑փ�叛_��齐，文字
围绕囑փ�昄����?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">囑փ�的尺寸和旋�{</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">如果囑փ�在文档中不按原尺寸显�C�，可以通过下面的函数进行设定：(x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void scaleAbsolute(int newWidth, int newHeight)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void scalePercent(int percent)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">public void scalePercent(int percentX, int percentY)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">函数
public void scaleAbsolute(int newWidth, int newHeight)直接讑֮�昄������寸�Q�函数public
void scalePercent(int
percent)讑֮�昄���比例�Q�如scalePercent(50)表示昄���的大����ؓ(f��)原尺寸的50%�Q�而函数scalePercent(int
percentX, int percentY)则图像高宽的昄���比例�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">如果囑փ�需要旋转一定角度之后在文档中显�C�，可以通过函数public void setRotation(double r)讑֮��Q�参数r为弧度，如果旋�{角度�?0度，则参数r= Math.PI / 6�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">七、中文处�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">默认的iText字体讄���不支持中文字体，需要下载远东字体包iTextAsian.jar�Q�否则不能往PDF文档中输��Z��文字体。通过下面的代码就可以在文档中使用中文�?ji��n)�?x��)</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">com.lowagie.text.Font FontChinese = new com.lowagie.text.Font(bfChinese, 12, com.lowagie.text.Font.NORMAL);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">Paragraph pragraph=new Paragraph("你好", FontChinese);</p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">八、后�?/p>
<p style="margin: 10px 0px 0px; word-wrap: break-word; padding: 0px;">iText
�q�有很多高��的功能，�q�里��׃��一一介绍�?ji��n)，具体开发时可参考发布的文档。�ȝ��来说�Q�iText是一套java环境下不错的制作PDF的组件。因�?
iText支持jsp/javabean下的开发，�q���得B/S应用中的报表问题能得到很好的解决。由于iText毕竟不是专门为制作报表设计，所有报�?
中的内容、格式都需要通过写代码实玎ͼ�相对于那些专业的支持可视化设计的报表软�g来说�Q�编�E�的工作量就有一定程度的增加�?/p>
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