├── src
    ├── main
    │   ├── resources
    │   │   ├── song.png
    │   │   ├── simfang.ttf
    │   │   └── VAT_INVOICE.pdf
    │   └── java
    │   │   └── utils
    │   │       └── PDFBoxDemo.java
    └── test
    │   └── java
    │       └── utils
    │           └── AppTest.java
└── pom.xml


/src/main/resources/song.png:
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https://raw.githubusercontent.com/dongdongdeng/pdfboxDemo/HEAD/src/main/resources/song.png


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/src/main/resources/simfang.ttf:
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https://raw.githubusercontent.com/dongdongdeng/pdfboxDemo/HEAD/src/main/resources/simfang.ttf


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/src/main/resources/VAT_INVOICE.pdf:
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https://raw.githubusercontent.com/dongdongdeng/pdfboxDemo/HEAD/src/main/resources/VAT_INVOICE.pdf


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/src/test/java/utils/AppTest.java:
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 1 | package DDD;
 2 | 
 3 | import static org.junit.Assert.assertTrue;
 4 | 
 5 | import org.junit.Test;
 6 | 
 7 | /**
 8 |  * Unit test for simple App.
 9 |  */
10 | public class AppTest 
11 | {
12 |     /**
13 |      * Rigorous Test :-)
14 |      */
15 |     @Test
16 |     public void shouldAnswerWithTrue()
17 |     {
18 |         assertTrue( true );
19 |     }
20 | }
21 | 


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/pom.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | 
 3 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |   <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |   <groupId>Utils</groupId>
 8 |   <artifactId>Utils.ddd</artifactId>
 9 |   <version>1.0-SNAPSHOT</version>
10 | 
11 |   <name>DDD</name>
12 |   <!-- FIXME change it to the project's website -->
13 |   <url>http://www.example.com</url>
14 | 
15 |   <properties>
16 |     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
17 |     <maven.compiler.source>1.7</maven.compiler.source>
18 |     <maven.compiler.target>1.7</maven.compiler.target>
19 |   </properties>
20 | 
21 |   <dependencies>
22 |     <dependency>
23 |       <groupId>junit</groupId>
24 |       <artifactId>junit</artifactId>
25 |       <version>4.11</version>
26 |       <scope>test</scope>
27 |     </dependency>
28 | 
29 |     <dependency>
30 |       <groupId>org.apache.httpcomponents</groupId>
31 |       <artifactId>httpclient</artifactId>
32 |       <version>4.5.6</version>
33 |     </dependency>
34 | 
35 |     <dependency>
36 |       <groupId>joda-time</groupId>
37 |       <artifactId>joda-time</artifactId>
38 |       <version>2.9.4</version>
39 |     </dependency>
40 | 
41 |     <!-- https://mvnrepository.com/artifact/org.apache.pdfbox/pdfbox -->
42 |     <dependency>
43 |       <groupId>org.apache.pdfbox</groupId>
44 |       <artifactId>pdfbox</artifactId>
45 |       <version>2.0.13</version>
46 |     </dependency>
47 | 
48 |   </dependencies>
49 | 
50 |   <build>
51 |     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
52 |       <plugins>
53 |         <plugin>
54 |           <artifactId>maven-clean-plugin</artifactId>
55 |           <version>3.0.0</version>
56 |         </plugin>
57 |         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
58 |         <plugin>
59 |           <artifactId>maven-resources-plugin</artifactId>
60 |           <version>3.0.2</version>
61 |         </plugin>
62 |         <plugin>
63 |           <artifactId>maven-compiler-plugin</artifactId>
64 |           <version>3.7.0</version>
65 |         </plugin>
66 |         <plugin>
67 |           <artifactId>maven-surefire-plugin</artifactId>
68 |           <version>2.20.1</version>
69 |         </plugin>
70 |         <plugin>
71 |           <artifactId>maven-jar-plugin</artifactId>
72 |           <version>3.0.2</version>
73 |         </plugin>
74 |         <plugin>
75 |           <artifactId>maven-install-plugin</artifactId>
76 |           <version>2.5.2</version>
77 |         </plugin>
78 |         <plugin>
79 |           <artifactId>maven-deploy-plugin</artifactId>
80 |           <version>2.8.2</version>
81 |         </plugin>
82 |       </plugins>
83 |     </pluginManagement>
84 |   </build>
85 | </project>
86 | 


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/src/main/java/utils/PDFBoxDemo.java:
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  1 | package utils;
  2 | 
  3 | import org.apache.pdfbox.pdmodel.PDDocument;
  4 | import org.apache.pdfbox.pdmodel.PDPage;
  5 | import org.apache.pdfbox.pdmodel.PDPageContentStream;
  6 | import org.apache.pdfbox.pdmodel.font.PDFont;
  7 | import org.apache.pdfbox.pdmodel.font.PDType0Font;
  8 | import org.apache.pdfbox.pdmodel.font.PDType1Font;
  9 | import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
 10 | import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
 11 | import org.apache.pdfbox.util.Matrix;
 12 | 
 13 | import java.io.File;
 14 | import java.io.IOException;
 15 | import java.io.InputStream;
 16 | import java.util.ArrayList;
 17 | import java.util.List;
 18 | 
 19 | /**
 20 |  * PDFBox: Hello world!
 21 |  *
 22 |  */
 23 | public class PDFBoxDemo
 24 | {
 25 |     private static PDFont FONT = PDType1Font.HELVETICA;
 26 |     private static  float FONT_SIZE = 10;
 27 |     private static final float LEADING = -1.5f * FONT_SIZE;
 28 | 
 29 |     public static void showTextByLeft(PDPageContentStream overContent, String txt, String def, float x, float y) throws Exception{
 30 |         //Begin the Content stream
 31 |         overContent.beginText();
 32 | 
 33 |         if (null == txt) {
 34 |             txt = def;
 35 |         }
 36 | 
 37 |         //Setting the position for the line
 38 |         overContent.newLineAtOffset(x, y);
 39 | 
 40 |         //Adding text in the form of string
 41 |         overContent.showText(txt);
 42 | 
 43 |         //Ending the content stream
 44 |         overContent.endText();
 45 |     }
 46 | 
 47 |     /**
 48 |      * 增加一段文本
 49 |      * @param contentStream
 50 |      * @param width
 51 |      * @param sx
 52 |      * @param sy
 53 |      * @param text
 54 |      * @param justify
 55 |      * @throws IOException
 56 |      */
 57 |     private static void addParagraph(PDPageContentStream contentStream, float width, float sx,
 58 |                                      float sy, String text, boolean justify) throws IOException {
 59 |         List<String> lines = new ArrayList<>();
 60 |         parseLinesRecursive(text, width, lines);
 61 | 
 62 |         contentStream.setFont(FONT, FONT_SIZE);
 63 |         contentStream.newLineAtOffset(sx, sy);
 64 |         for (String line: lines) {
 65 |             float charSpacing = 0;
 66 |             if (justify){
 67 |                 if (line.length() > 1) {
 68 |                     float size = FONT_SIZE * FONT.getStringWidth(line) / 1000;
 69 |                     float free = width - size;
 70 |                     if (free > 0 && !lines.get(lines.size() - 1).equals(line)) {
 71 |                         charSpacing = free / (line.length() - 1);
 72 |                     }
 73 |                 }
 74 |             }
 75 |             contentStream.setCharacterSpacing(charSpacing);
 76 |             contentStream.showText(line);
 77 |             contentStream.newLineAtOffset(0, LEADING);
 78 |         }
 79 |     }
 80 | 
 81 |     /**
 82 |      * 递归分析文本，并按宽度分割成N行
 83 |      * @param text
 84 |      * @param width
 85 |      * @param lines
 86 |      * @return
 87 |      * @throws IOException
 88 |      */
 89 |     private static List<String> parseLinesRecursive(String text, float width, List<String> lines) throws IOException {
 90 |         String tmpText = text;
 91 |         for (int i=0; i<text.length(); i++) {
 92 |             tmpText = text.substring(0, text.length() - i);
 93 | 
 94 |             float realWidth = FONT_SIZE * FONT.getStringWidth(tmpText) / 1000;
 95 | 
 96 |             if (realWidth > width) {
 97 |                 continue;
 98 |             } else {
 99 |                 lines.add(tmpText);
100 | 
101 |                 if (0 != i) {
102 |                     parseLinesRecursive(text.substring(text.length() - i), width, lines);
103 |                 }
104 | 
105 |                 break;
106 |             }
107 |         }
108 | 
109 |         return lines;
110 |     }
111 | 
112 |     public static void main( String[] args ) throws Exception {
113 |         try {
114 |             // Loading an existing document
115 |             InputStream in = PDFBoxDemo.class.getClassLoader().getResourceAsStream("VAT_INVOICE.pdf");
116 |             PDDocument document = PDDocument.load(in);
117 | 
118 |             // Retrieving the pages of the document, and using PREPEND mode
119 |             PDPage page = document.getPage(0);
120 |             PDPageContentStream contentStream = new PDPageContentStream(document, page,
121 |                     PDPageContentStream.AppendMode.PREPEND, false);
122 | 
123 |             InputStream inFont = PDFBoxDemo.class.getClassLoader().getResourceAsStream("simfang.ttf");
124 |             PDType0Font font = PDType0Font.load(document, inFont);
125 |             FONT = font;
126 | 
127 |             // Setting the font to the Content stream
128 |             contentStream.setFont(font, 10);
129 | 
130 |             // 发票代码
131 |             showTextByLeft(contentStream, "000000000211", "", 475,365);
132 |             // 发票号码
133 |             showTextByLeft(contentStream, "00000833", "", 475,350);
134 |             // 开票日期
135 |             showTextByLeft(contentStream, "2018年12月19日", "", 475,335);
136 |             // 校验码
137 |             showTextByLeft(contentStream, "12345 34567 56789 78901", "", 475,318);
138 | 
139 |             // 机器编号
140 |             showTextByLeft(contentStream, "499098894300", "", 65,318);
141 | 
142 |             // 购买方 名称
143 |             showTextByLeft(contentStream, "新龙门连锁客栈（上海）有限公司", "", 108,303);
144 |             // 购买方 纳税人识别号
145 |             showTextByLeft(contentStream, "95270000710929885W", "", 108,290);
146 |             // 购买方 地址、电话
147 |             showTextByLeft(contentStream, "上海万宝路大前门1234号 021-000000001", "", 108,275);
148 | 
149 |             // 备注 显示成多行
150 |             String text = "增值税专用发票是由国家税务总局监制设计印制的，ABCDEFGHIJKLMNOPQRSTUVWXYZ只限于增值税一般纳税人领购使用的，作为纳税人反映经济活动中的重要会计凭证。" ;
151 |             contentStream.beginText();
152 |             addParagraph(contentStream, 200, 380, 95, text, true);
153 |             contentStream.endText();
154 | 
155 |             // 开票人
156 |             showTextByLeft(contentStream, "老张", "", 355,33);
157 | 
158 |             System.out.println("Content added");
159 | 
160 |             // Adding watermark
161 |             for(PDPage everyPage:document.getPages()){
162 |                 PDPageContentStream cs = new PDPageContentStream(document, everyPage, PDPageContentStream.AppendMode.APPEND,
163 |                         true, true);
164 |                 String ts = "测试";
165 |                 float fontSize = 80.0f;
166 |                 PDExtendedGraphicsState r0 = new PDExtendedGraphicsState();
167 |                 // 透明度
168 |                 r0.setNonStrokingAlphaConstant(0.3f);
169 |                 r0.setAlphaSourceFlag(true);
170 | 
171 |                 cs.setGraphicsStateParameters(r0);
172 |                 cs.setNonStrokingColor(188,188,188);
173 |                 cs.beginText();
174 |                 cs.setFont(font, fontSize);
175 |                 // 获取旋转实例
176 |                 cs.setTextMatrix(Matrix.getRotateInstance(45,320f,150f));
177 |                 cs.showText(ts);
178 |                 cs.endText();
179 | 
180 |                 cs.close();
181 |             }
182 | 
183 |             // Loading img from file
184 |             PDImageXObject pdImage = PDImageXObject.createFromFile("src/main/resources/song.png", document);
185 | 
186 |             // Draw image by  x y width height
187 |             contentStream.drawImage(pdImage, 480, 10, 100, 100);
188 | 
189 |             // Closing the content stream
190 |             contentStream.close();
191 | 
192 |             // Saving the document
193 |             document.save(new File("..\\new_VAT_INVOICE.pdf"));
194 | 
195 |             // Closing the document
196 |             document.close();
197 |         } catch (Exception e) {
198 |             // TODO Auto-generated catch block
199 |             e.printStackTrace();
200 |         }
201 |     }
202 | 
203 | }
204 | 


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