Commit 9ee5cdfb authored by fangxinjiang's avatar fangxinjiang

excel to image -fxj

parent 089aca92
...@@ -98,6 +98,29 @@ ...@@ -98,6 +98,29 @@
<artifactId>yifu-common-ekp</artifactId> <artifactId>yifu-common-ekp</artifactId>
<version>1.0.0</version> <version>1.0.0</version>
</dependency> </dependency>
<!-- Apache POI -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>5.2.3</version> <!-- 使用最新版本 -->
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>5.2.3</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.12.0</version>
</dependency>
<dependency>
<groupId>spire.xls</groupId>
<artifactId>spire.xls</artifactId>
<version>5.3.0</version>
<type>jar</type>
</dependency>
</dependencies> </dependencies>
<build> <build>
......
package com.yifu.cloud.plus.v1.yifu.social.util;
import org.apache.commons.compress.utils.IOUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import javax.imageio.ImageIO;
import java.awt.Color;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
/**
* @Author fxj
* @Date 2024/12/9
* @Description
* @Version 1.0
*/
public class ExcelMergeImage {
public static void main(String[] args) throws IOException {
String excelFilePath = "E:\\test\\11\\1.xls";
String imageFilePath = "E:\\test\\11\\1.png";
//convertExcelToImage(excelFilePath, imageFilePath);
//stampAdder();
}
public static void convertExcelToImage(String excelFilePath, String imageFilePath) throws IOException {
FileInputStream fis = new FileInputStream(new File(excelFilePath));
Workbook workbook;
if (excelFilePath.endsWith(".xls")) {
workbook = new HSSFWorkbook(fis); // For Excel 97-2003 (.xls) format
} else if (excelFilePath.endsWith(".xlsx")) {
workbook = new XSSFWorkbook(fis); // For Excel 2007 and later (.xlsx) format
} else {
throw new IllegalArgumentException("Unsupported file type");
}
Sheet sheet = workbook.getSheetAt(0);
int rowCount = 16; //sheet.getPhysicalNumberOfRows();
int colCount = 25;//sheet.getRow(0).getPhysicalNumberOfCells();
BufferedImage image = new BufferedImage(896, 424, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = image.createGraphics();
for (int i = 0; i < rowCount; i++) {
Row row = sheet.getRow(i);
for (int j = 0; j < colCount; j++) {
Cell cell = row.getCell(j);
if (cell != null) {
graphics.fillRect(j*150, i*47, 896, 424);
graphics.setColor(Color.black); // 设置边框颜色
graphics.drawRect(j*150, i*47, 896, 424);
String cellValue = getCellValueAsString(cell);
graphics.drawString(cellValue, j * 150+10, i * 45+30);
}
}
}
graphics.dispose();
ImageIO.write(image, "png", new File(imageFilePath));
workbook.close();
fis.close();
}
private static String getCellValueAsString(Cell cell) {
String cellValue = "";
if (cell != null) {
switch (cell.getCellType()) {
case STRING:
cellValue = cell.getStringCellValue();
break;
case NUMERIC:
cellValue = String.valueOf(cell.getNumericCellValue());
break;
case BOOLEAN:
cellValue = String.valueOf(cell.getBooleanCellValue());
break;
case FORMULA:
cellValue = cell.getCellFormula();
break;
default:
cellValue = "";
}
}
return cellValue;
}
/**
* @Author fxj
* @Description 03格式excel添加电子印章或图片
* @Date 15:32 2024/12/9
* @Param
* @return
**/
public static FileOutputStream addPictureToExcel(FileInputStream fis,
InputStream imageIs,
FileOutputStream fileOut,
int SheetNum){
Workbook workbook = null;
try {
workbook = new HSSFWorkbook(fis);
Sheet sheet = workbook.getSheetAt(SheetNum);
// 在合适的位置添加印章
Drawing<?> drawing = sheet.createDrawingPatriarch();
CreationHelper helper = workbook.getCreationHelper();
ClientAnchor anchor = helper.createClientAnchor();
anchor.setCol1(2);
anchor.setRow1(0);
anchor.setCol2(4);
anchor.setRow2(7);
// 添加印章图片
int pictureIdx = workbook.addPicture(IOUtils.toByteArray(imageIs), Workbook.PICTURE_TYPE_PNG);
drawing.createPicture(anchor, pictureIdx);
workbook.write(fileOut);
}catch (Exception e){
e.printStackTrace();
}finally {
try {
if (null != fis){
fis.close();
}
if (null != workbook){
workbook.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return fileOut;
}
}
package com.yifu.cloud.plus.v1.yifu.social.util;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;
import com.yifu.cloud.plus.v1.yifu.common.core.constant.CommonConstants;
import com.yifu.cloud.plus.v1.yifu.common.core.util.OSSUtil;
import com.yifu.cloud.plus.v1.yifu.common.core.util.R;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.io.File;
import java.io.InputStream;
import java.net.URL;
/**
* @Author fxj
* @Date 2024/12/9
* @Description excel 转换为 图片 并上传阿里云 (上传后自动删除生成的图片文件)
* @Version 1.0
*/
@RequiredArgsConstructor
@Component
public class ExcelToImage {
@Autowired
private static OSSUtil ossUtil;
public R<URL> excelToImg(InputStream inputStream ){
String projectRoot = System.getProperty("user.dir");
//加载Excel工作表
Workbook wb = new Workbook();
wb.loadFromHtml(inputStream);
//获取工作表
Worksheet sheet = wb.getWorksheets().get(0);
//调用方法将Excel工作表保存为图片
sheet.saveToImage(projectRoot+"\\ToImg.png");
File file = null;
try {
file = new File(projectRoot+"\\ToImg.png");
if (file.exists()){
String key = System.currentTimeMillis() + file.getName();
if (ossUtil.uploadFileByFile(file,key,null)){
return R.ok(ossUtil.getObjectUrl(null,key));
}else {
return R.failed(CommonConstants.RESULT_DATA_FAIL+":ExcelToImage上传OSS异常");
}
}
} catch (Exception e) {
e.printStackTrace();
return R.failed(CommonConstants.RESULT_DATA_FAIL+":ExcelToImage转换异常-"+e.getMessage());
} finally {
if (file.exists()){
file.delete();
}
}
return R.failed(CommonConstants.RESULT_DATA_FAIL);
//调用方法,将指定Excel单元格数据范围保存为图片
//sheet.saveToImage("ToImg2.png",8,1,30,7);
/*//调用方法将Excel保存为HTML
sheet.saveToHtml("ToHtml.html");
//调用方法将Excel保存为XPS
sheet.saveToFile("ToXPS.xps", String.valueOf(FileFormat.XPS));
//调用方法将Excel保存为CSV
sheet.saveToFile("ToCSV.csv", String.valueOf(FileFormat.CSV));
//调用方法将Excel保存为XML
sheet.saveToFile("ToXML.xml", String.valueOf(FileFormat.XML));
//调用方法将Excel保存为PostScript
sheet.saveToFile("ToPostScript.postscript", String.valueOf(FileFormat.PostScript));
//调用方法将Excel保存为PCL
sheet.saveToFile("ToPCL.pcl", String.valueOf(FileFormat.PCL));*/
}
}
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