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pdf-kit's Introduction

pdf-kit

java根据模板动态生成PDF文件

一、需求说明：

 根据业务需要，需要在服务器端生成可动态配置的PDF文档，方便数据可视化查看。

二、解决方案：

  iText+FreeMarker+JFreeChart生成可动态配置的PDF文档
  
  iText有很强大的PDF处理能力，但是样式和排版不好控制，直接写PDF文档，数据的动态渲染很麻烦。
  
  FreeMarker能配置动态的html模板，正好解决了样式、动态渲染和排版问题。
  
  JFreeChart有这方便的画图API，能画出简单的折线、柱状和饼图，基本能满足需要。

三、实现功能：

   1、能动态配置PDF文档内容
   
   2、能动态配置中文字体显示
   
   3、设置自定义的页眉页脚信息
   
   4、能动态生成业务图片
   
   5、完成PDF的分页和图片的嵌入

四、主要代码结构说明：

  1、component包：PDF生成的组件 对外提供的是PDFKit工具类和HeaderFooterBuilder接口， 其中PDFKit负责PDF的生成，HeaderFooterBuilder负责自定义页眉页脚信息。
  
  2、builder包：负责PDF模板之外的额外信息填写，这里主要是页眉页脚的定制。
  
  3、chart包：JFreeChart的画图工具包，目前只有一个线形图。
  
  4、test包：测试工具类
  
  5、util包：FreeMarker等工具类。

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pdf-kit's Issues

模板里怎么修改成其他字体呢？

模板里怎么修改成其他字体呢？在字体文件里也没看到pingfang的字体，但是就能正常显示，现在改成其他字体都不显示，该怎么办呢？

字体加粗问题

在网上找了查了挺久的 没看到字体怎么加粗。
css写加粗不起效果，您知道怎么做么 可以给一点提示么

com.tuniu.car.rdc.pdf.exception.PDFException: 字体初始化失败

把作者的项目用到自己的项目中，使用总是出字体初始化失败，但是目录下是有这个字体的。这个字体就是作者项目的字体， bf = BaseFont.createFont(fontPath,BaseFont.IDENTITY_H,BaseFont.EMBEDDED);，代码走到这一行就抛异常

动态表格断页

请问下好比我一个表格是动态的生成的，某个单元格的文本内容过长，会出现跳页问题，怎么解决？
image

html模板引入css文件报空指针异常

html模板文件使用 <link rel="stylesheet" href="test.css"> 引入 test.css 文件，报空指针异常，异常信息如下，有空的话劳烦大神帮我看一下，难道不支持引入css文件，只支持内嵌css样式吗？
`14:26:24.917 [main] DEBUG freemarker.cache - Couldn't find template in cache for "enterprise.ftl"("zh_CN", UTF-8, parsed); will try to load it.
14:26:24.920 [main] DEBUG freemarker.cache - TemplateLoader.findTemplateSource("enterprise_zh_CN.ftl"): Not found
14:26:24.921 [main] DEBUG freemarker.cache - TemplateLoader.findTemplateSource("enterprise_zh.ftl"): Not found
14:26:24.921 [main] DEBUG freemarker.cache - TemplateLoader.findTemplateSource("enterprise.ftl"): Found
14:26:24.922 [main] DEBUG freemarker.cache - Loading template for "enterprise.ftl"("zh_CN", UTF-8, parsed) from "C:\software\ideaCode\bidi\pdf-kit\src\test\resources\templates\enterprise.ftl"
java.lang.NullPointerException
at com.itextpdf.text.pdf.PdfWriter.addSimple(PdfWriter.java:2234)
at com.itextpdf.text.pdf.PdfContentByte.setFontAndSize(PdfContentByte.java:1637)
at pdf.kit.component.builder.PDFBuilder.onCloseDocument(PDFBuilder.java:120)
at com.itextpdf.text.pdf.PdfDocument.close(PdfDocument.java:838)
at com.itextpdf.text.Document.close(Document.java:416)
at pdf.kit.component.PDFKit.convertToPDF(PDFKit.java:117)
at pdf.kit.component.PDFKit.exportToFile(PDFKit.java:52)
at pdf.kit.ScatterPlotChartTest.testCreatePdf2(ScatterPlotChartTest.java:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
pdf.kit.exception.PDFException: PDF export to File fail
at pdf.kit.component.PDFKit.exportToFile(PDFKit.java:55)
at pdf.kit.ScatterPlotChartTest.testCreatePdf2(ScatterPlotChartTest.java:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: java.lang.NullPointerException
at com.itextpdf.text.pdf.PdfWriter.addSimple(PdfWriter.java:2234)
at com.itextpdf.text.pdf.PdfContentByte.setFontAndSize(PdfContentByte.java:1637)
at pdf.kit.component.builder.PDFBuilder.onCloseDocument(PDFBuilder.java:120)
at com.itextpdf.text.pdf.PdfDocument.close(PdfDocument.java:838)
at com.itextpdf.text.Document.close(Document.java:416)
at pdf.kit.component.PDFKit.convertToPDF(PDFKit.java:117)
at pdf.kit.component.PDFKit.exportToFile(PDFKit.java:52)
... 23 more

Process finished with exit code 0
`

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