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Commit 9ed432e4 authored by duanledexianxianxian's avatar duanledexianxianxian 😁
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excel-watermark/pom.xml 0 → 100644
View file @ 9ed432e4
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.duanledexianxianxian.demo</groupId>
<artifactId>excel-watermark</artifactId>
<version>1.0-SNAPSHOT</version>
<name>excel-watermark</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.0.1</version>
</dependency>
</dependencies>
<build>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
<!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
<plugin>
<artifactId>maven-site-plugin</artifactId>
<version>3.7.1</version>
</plugin>
<plugin>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>3.0.0</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
excel-watermark/src/main/java/com/duanledexianxianxian/demo/App.java 0 → 100644
View file @ 9ed432e4
package com.duanledexianxianxian.demo;
import com.duanledexianxianxian.demo.util.ExcelWaterRemarkUtils;
import com.duanledexianxianxian.demo.util.ImageUtils;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.*;
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args ) throws IOException {
//读取excel文件
Workbook wb = new XSSFWorkbook(new FileInputStream("F:\\@project@\\@dianli@\\java-demo\\excel-watermark\\src\\main\\resources\\test.xlsx"));
//设置水印图片路径
String imgPath = "F:\\@project@\\@dianli@\\java-demo\\excel-watermark\\src\\main\\resources\\水印.png";
ImageUtils.createWaterMark("文字水印效果", imgPath);
//获取excel sheet个数
int sheets = wb.getNumberOfSheets();
//循环sheet给每个sheet添加水印
for (int i = 0; i < sheets; i++) {
Sheet sheet = wb.getSheetAt(i);
//excel加密只读
//sheet.protectSheet(UUID.randomUUID().toString());
//获取excel实际所占行
int row = sheet.getFirstRowNum() + sheet.getLastRowNum();
//获取excel实际所占列
int cell = sheet.getRow(sheet.getFirstRowNum()).getLastCellNum() + 1;
//根据行与列计算实际所需多少水印
ExcelWaterRemarkUtils.putWaterRemarkToExcel(wb, sheet, imgPath, 0, 0, 5, 5, cell / 5 + 1, row / 5 + 1, 0, 0);
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
wb.write(os);
} catch (IOException e) {
e.printStackTrace();
}
wb.close();
byte[] content = os.toByteArray();
// Excel文件生成后存储的位置。
File file1 = new File("F:\\@project@\\@dianli@\\java-demo\\excel-watermark\\src\\main\\resources\\watermark.xlsx");
OutputStream fos = null;
try {
fos = new FileOutputStream(file1);
fos.write(content);
os.close();
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
excel-watermark/src/main/java/com/duanledexianxianxian/demo/CreateExcelPictureInHeaderAKAWatermark.java 0 → 100644
View file @ 9ed432e4
package com.duanledexianxianxian.demo;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackagePartName;
import org.apache.poi.openxml4j.opc.PackagingURIHelper;
import org.apache.poi.ss.usermodel.Header;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.ImageUtils;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.usermodel.XSSFPictureData;
import org.apache.poi.xssf.usermodel.XSSFRelation;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.xmlbeans.XmlObject;
//import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.ooxml.POIXMLDocumentPart;
//import static org.apache.poi.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
import static org.apache.poi.ooxml.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
import java.io.*;
public class CreateExcelPictureInHeaderAKAWatermark {
static void createPictureForHeader(XSSFSheet sheet, int pictureIdx, String pictureTitle, int vmlIdx, String headerPos) throws Exception {
OPCPackage opcpackage = sheet.getWorkbook().getPackage();
//creating /xl/drawings/vmlDrawing1.vml
PackagePartName partname = PackagingURIHelper.createPartName("/xl/drawings/vmlDrawing" + vmlIdx+ ".vml");
PackagePart part = opcpackage.createPart(partname, "application/vnd.openxmlformats-officedocument.vmlDrawing");
//creating new VmlDrawing
VmlDrawing vmldrawing = new VmlDrawing(part);
//creating the relation to the picture in /xl/drawings/_rels/vmlDrawing1.vml.rels
XSSFPictureData picData = sheet.getWorkbook().getAllPictures().get(pictureIdx);
String rIdPic = vmldrawing.addRelation(null, XSSFRelation.IMAGES, picData).getRelationship().getId();
//get image dimension
ByteArrayInputStream is = new ByteArrayInputStream(picData.getData());
java.awt.Dimension imageDimension = ImageUtils.getImageDimension(is, picData.getPictureType());
is.close();
//updating the VmlDrawing
vmldrawing.setRIdPic(rIdPic);
vmldrawing.setPictureTitle(pictureTitle);
vmldrawing.setImageDimension(imageDimension);
vmldrawing.setHeaderPos(headerPos);
//creating the relation to /xl/drawings/vmlDrawing1.xml in /xl/worksheets/_rels/sheet1.xml.rels
String rIdExtLink = sheet.addRelation(null, XSSFRelation.VML_DRAWINGS, vmldrawing).getRelationship().getId();
//creating the <legacyDrawingHF r:id="..."/> in /xl/worksheets/sheetN.xml
sheet.getCTWorksheet().addNewLegacyDrawingHF().setId(rIdExtLink);
}
public static void main(String[] args) throws Exception {
Workbook workbook = new XSSFWorkbook();
Sheet sheet;
Header header;
InputStream is;
byte[] bytes;
int pictureIdx; //we need it later
sheet = workbook.createSheet();
header = sheet.getHeader();
header.setCenter("&G"); // &G means Graphic
//add picture data to this workbook
is = new FileInputStream("F:\\@project@\\@dianli@\\java-demo\\excel-watermark\\src\\main\\resources\\AF101880439_en-us_draft.png");
bytes = IOUtils.toByteArray(is);
pictureIdx = workbook.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
is.close();
//create header picture from picture data of this workbook
createPictureForHeader((XSSFSheet)sheet, pictureIdx, "AF101880439_en-us_draft", 1, "CH"/*CenterHeader*/);
FileOutputStream out = new FileOutputStream("test.xlsx");
workbook.write(out);
out.close();
workbook.close();
}
//class for VmlDrawing
static class VmlDrawing extends POIXMLDocumentPart {
String rIdPic = "";
String pictureTitle = "";
java.awt.Dimension imageDimension = null;
String headerPos = "";
VmlDrawing(PackagePart part) {
super(part);
}
void setRIdPic(String rIdPic) {
this.rIdPic = rIdPic;
}
void setPictureTitle(String pictureTitle) {
this.pictureTitle = pictureTitle;
}
void setHeaderPos(String headerPos) {
this.headerPos = headerPos;
}
void setImageDimension(java.awt.Dimension imageDimension) {
this.imageDimension = imageDimension;
}
@Override
protected void commit() throws IOException {
PackagePart part = getPackagePart();
OutputStream out = part.getOutputStream();
try {
XmlObject doc = XmlObject.Factory.parse(
"<xml xmlns:v=\"urn:schemas-microsoft-com:vml\""
+" xmlns:o=\"urn:schemas-microsoft-com:office:office\""
+" xmlns:x=\"urn:schemas-microsoft-com:office:excel\">"
+" <o:shapelayout v:ext=\"edit\">"
+" <o:idmap v:ext=\"edit\" data=\"1\"/>"
+" </o:shapelayout><v:shapetype id=\"_x0000_t75\" coordsize=\"21600,21600\" o:spt=\"75\""
+" o:preferrelative=\"t\" path=\"m@4@5l@4@11@9@11@9@5xe\" filled=\"f\" stroked=\"f\">"
+" <v:stroke joinstyle=\"miter\"/>"
+" <v:formulas>"
+" <v:f eqn=\"if lineDrawn pixelLineWidth 0\"/>"
+" <v:f eqn=\"sum @0 1 0\"/>"
+" <v:f eqn=\"sum 0 0 @1\"/>"
+" <v:f eqn=\"prod @2 1 2\"/>"
+" <v:f eqn=\"prod @3 21600 pixelWidth\"/>"
+" <v:f eqn=\"prod @3 21600 pixelHeight\"/>"
+" <v:f eqn=\"sum @0 0 1\"/>"
+" <v:f eqn=\"prod @6 1 2\"/>"
+" <v:f eqn=\"prod @7 21600 pixelWidth\"/>"
+" <v:f eqn=\"sum @8 21600 0\"/>"
+" <v:f eqn=\"prod @7 21600 pixelHeight\"/>"
+" <v:f eqn=\"sum @10 21600 0\"/>"
+" </v:formulas>"
+" <v:path o:extrusionok=\"f\" gradientshapeok=\"t\" o:connecttype=\"rect\"/>"
+" <o:lock v:ext=\"edit\" aspectratio=\"t\"/>"
+" </v:shapetype><v:shape id=\"" + headerPos + "\" o:spid=\"_x0000_s1025\" type=\"#_x0000_t75\""
+" style='position:absolute;margin-left:0;margin-top:0;"
+"width:" + (int)imageDimension.getWidth() + "px;height:" + (int)imageDimension.getHeight() + "px;"
+"z-index:1'>"
+" <v:imagedata o:relid=\""+ rIdPic + "\" o:title=\"" + pictureTitle + "\"/>"
+" <o:lock v:ext=\"edit\" rotation=\"t\"/>"
+" </v:shape></xml>"
);
doc.save(out, DEFAULT_XML_OPTIONS);
out.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
excel-watermark/src/main/java/com/duanledexianxianxian/demo/util/ExcelWaterRemarkUtils.java 0 → 100644
View file @ 9ed432e4
package com.duanledexianxianxian.demo.util;
import org.apache.poi.ss.usermodel.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
public class ExcelWaterRemarkUtils {
/*
* 为Excel打上水印工具函数 请自行确保参数值，以保证水印图片之间不会覆盖。 在计算水印的位置的时候，并没有考虑到单元格合并的情况，请注意
*
* @param wb
* Excel Workbook
* @param sheet
* 需要打水印的Excel
* @param waterRemarkPath
* 水印地址，classPath，目前只支持png格式的图片，
* 因为非png格式的图片打到Excel上后可能会有图片变红的问题，且不容易做出透明效果。
* 同时请注意传入的地址格式，应该为类似："\\excelTemplate\\test.png"
* @param startXCol
* 水印起始列
* @param startYRow
* 水印起始行
* @param betweenXCol
* 水印横向之间间隔多少列
* @param betweenYRow
* 水印纵向之间间隔多少行
* @param XCount
* 横向共有水印多少个
* @param YCount
* 纵向共有水印多少个
* @param waterRemarkWidth
* 水印图片宽度为多少列
* @param waterRemarkHeight
* 水印图片高度为多少行
* @throws IOException
*/
public static void putWaterRemarkToExcel(Workbook wb, Sheet sheet, String waterRemarkPath, int startXCol,
int startYRow, int betweenXCol, int betweenYRow, int XCount, int YCount, int waterRemarkWidth,
int waterRemarkHeight) throws IOException {
// 校验传入的水印图片格式
if (!waterRemarkPath.endsWith("png") && !waterRemarkPath.endsWith("PNG")) {
throw new RuntimeException("向Excel上面打印水印，目前支持png格式的图片。");
}
// 加载图片
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
InputStream imageIn = new FileInputStream(waterRemarkPath);
//InputStream imageIn = Thread.currentThread().getContextClassLoader().getResourceAsStream(waterRemarkPath);
if (null == imageIn || imageIn.available() < 1) {
throw new RuntimeException("向Excel上面打印水印，读取水印图片失败(1)。");
}
BufferedImage bufferImg = ImageIO.read(imageIn);
if (null == bufferImg) {
throw new RuntimeException("向Excel上面打印水印，读取水印图片失败(2)。");
}
ImageIO.write(bufferImg, "png", byteArrayOut);
// 开始打水印
Drawing drawing = sheet.createDrawingPatriarch();
// 按照共需打印多少行水印进行循环
for (int yCount = 0; yCount < YCount; yCount++) {
// 按照每行需要打印多少个水印进行循环
for (int xCount = 0; xCount < XCount; xCount++) {
// 创建水印图片位置
int xIndexInteger = startXCol + (xCount * waterRemarkWidth) + (xCount * betweenXCol);
int yIndexInteger = startYRow + (yCount * waterRemarkHeight) + (yCount * betweenYRow);
/*
* 参数定义： 第一个参数是（x轴的开始节点）； 第二个参数是（是y轴的开始节点）； 第三个参数是（是x轴的结束节点）；
* 第四个参数是（是y轴的结束节点）； 第五个参数是（是从Excel的第几列开始插入图片，从0开始计数）；
* 第六个参数是（是从excel的第几行开始插入图片，从0开始计数）； 第七个参数是（图片宽度，共多少列）；
* 第8个参数是（图片高度，共多少行）；
*/
ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, xIndexInteger,
yIndexInteger, xIndexInteger + waterRemarkWidth, yIndexInteger + waterRemarkHeight);
Picture pic = drawing.createPicture(anchor,
wb.addPicture(byteArrayOut.toByteArray(), Workbook.PICTURE_TYPE_PNG));
pic.resize();
}
}
}
}
excel-watermark/src/main/java/com/duanledexianxianxian/demo/util/ImageUtils.java 0 → 100644
View file @ 9ed432e4
package com.duanledexianxianxian.demo.util;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
public class ImageUtils {
public static void createWaterMark(String content, String path) throws IOException {
Integer width = 300;
Integer height = 200;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);// 获取bufferedImage对象
String fontType = "宋体";
Integer fontStyle = Font.PLAIN;
Integer fontSize = 50;
Font font = new Font(fontType, fontStyle, fontSize);
Graphics2D g2d = image.createGraphics(); // 获取Graphics2d对象
image = g2d.getDeviceConfiguration().createCompatibleImage(width, height, Transparency.TRANSLUCENT);
g2d.dispose();
g2d = image.createGraphics();
g2d.setColor(new Color(0, 0, 0, 80)); //设置字体颜色和透明度
g2d.setStroke(new BasicStroke(1)); // 设置字体
g2d.setFont(font); // 设置字体类型 加粗 大小
g2d.rotate(Math.toRadians(-10), (double) image.getWidth() / 2, (double) image.getHeight() / 2);//设置倾斜度
FontRenderContext context = g2d.getFontRenderContext();
Rectangle2D bounds = font.getStringBounds(content, context);
double x = (width - bounds.getWidth()) / 2;
double y = (height - bounds.getHeight()) / 2;
double ascent = -bounds.getY();
double baseY = y + ascent;
// 写入水印文字原定高度过小，所以累计写水印，增加高度
g2d.drawString(content, (int) x, (int) baseY);
// 设置透明度
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
// 释放对象
g2d.dispose();
ImageIO.write(image, "png", new File(path));
}
}
excel-watermark/src/test/java/com/duanledexianxianxian/demo/AppTest.java 0 → 100644
View file @ 9ed432e4
package com.duanledexianxianxian.demo;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
/**
* Unit test for simple App.
*/
public class AppTest
{
/**
* Rigorous Test :-)
*/
@Test
public void shouldAnswerWithTrue()
{
assertTrue( true );
}
}
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