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@ -1,14 +1,15 @@ |
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package org.jeecg.modules.apiService.impl; |
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package org.jeecg.modules.apiService.impl; |
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import com.aliyuncs.utils.IOUtils; |
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import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper; |
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import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.itextpdf.text.Document; |
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import com.itextpdf.text.DocumentException; |
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import com.itextpdf.text.Image; |
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import com.itextpdf.text.PageSize; |
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import com.itextpdf.text.pdf.PdfWriter; |
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import org.icepdf.core.util.GraphicsRenderingHints; |
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import org.apache.pdfbox.pdmodel.PDDocument; |
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import org.apache.pdfbox.pdmodel.PDPage; |
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import org.apache.pdfbox.pdmodel.PDPageContentStream; |
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import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject; |
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import org.apache.pdfbox.rendering.PDFRenderer; |
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import org.jeecg.common.api.vo.Result; |
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import org.jeecg.common.api.vo.Result; |
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import org.jeecg.common.util.oss.OssBootUtil; |
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import org.jeecg.config.shiro.ShiroRealm; |
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import org.jeecg.config.shiro.ShiroRealm; |
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import org.jeecg.modules.apiBean.PageBean; |
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import org.jeecg.modules.apiBean.PageBean; |
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import org.jeecg.modules.apiService.ContractService; |
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import org.jeecg.modules.apiService.ContractService; |
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@ -20,17 +21,14 @@ import org.jeecg.modules.employContract.entity.EmployContract; |
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import org.jeecg.modules.employContract.service.IEmployContractService; |
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import org.jeecg.modules.employContract.service.IEmployContractService; |
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import org.jeecg.modules.employContractTemplate.entity.EmployContractTemplate; |
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import org.jeecg.modules.employContractTemplate.entity.EmployContractTemplate; |
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import org.jeecg.modules.employContractTemplate.service.IEmployContractTemplateService; |
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import org.jeecg.modules.employContractTemplate.service.IEmployContractTemplateService; |
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import org.jeecg.modules.employResume.entity.EmployResume; |
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import org.jeecg.modules.employResume.service.IEmployResumeService; |
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import org.jeecg.modules.hanHaiMember.entity.HanHaiMember; |
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import org.jeecg.modules.hanHaiMember.entity.HanHaiMember; |
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import org.springframework.stereotype.Service; |
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import org.springframework.stereotype.Service; |
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import sun.misc.BASE64Encoder; |
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import javax.annotation.Resource; |
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import javax.annotation.Resource; |
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import javax.imageio.ImageIO; |
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import javax.imageio.ImageIO; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.RenderedImage; |
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import java.io.*; |
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import java.io.*; |
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import java.net.URL; |
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import java.text.SimpleDateFormat; |
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import java.text.SimpleDateFormat; |
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import java.util.*; |
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import java.util.*; |
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@ -57,10 +55,6 @@ public class ContractServiceImpl implements ContractService { |
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//个人实名认证表 |
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//个人实名认证表 |
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@Resource |
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@Resource |
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private IEmployAuthenticationPersonService authenticationPersonService; |
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private IEmployAuthenticationPersonService authenticationPersonService; |
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//简历信息表 |
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@Resource |
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private IEmployResumeService employResumeService; |
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/******************************************************************************************************************/ |
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/******************************************************************************************************************/ |
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//电子合同-获取电子合同列表 |
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//电子合同-获取电子合同列表 |
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@ -338,154 +332,163 @@ public class ContractServiceImpl implements ContractService { |
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} |
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} |
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} |
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} |
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/*********************************************图片与pdf互转*********************************************************/ |
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//pdf转图片base64(一张pdf转成多个base64图片) |
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//pdf转图片base64 |
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@Override |
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@Override |
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public Result<?> pdf2imagebase64(String pdfPath){ |
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//String pdfPath = "F:\\upload\\test_1736767131255.pdf";//pdf文件路径 |
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//获取当前时间 |
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); |
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Date now = new Date(); |
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String formattedDate = sdf.format(now); |
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System.out.println(formattedDate); |
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String imagePath = "F:\\temp\\";//图片文件路径 |
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String fileName = formattedDate +"image_";//图片文件名字 |
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//文件流对象 |
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InputStream in = null; |
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public Result<?> pdf2imagebase64(String pdfPath) { |
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List<String> pathList = new ArrayList<>();//图片路径列表 |
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List<String> codeList = new ArrayList<>();//base64列表 |
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List<String> imageBase = null;//图片base64 |
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try{ |
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imageBase = convertPdfToBase64(pdfPath); |
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}catch (Exception e){ |
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e.printStackTrace(); |
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return Result.error("pdf转图片base64失败"); |
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} |
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return Result.OK("图片base64", imageBase); |
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Map<String, Object> map = new HashMap<>(); |
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} |
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//图片转pdf |
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@Override |
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public Result<?> image2pdf(String images) { |
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String pdfUrl = null; |
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try{ |
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try{ |
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org.icepdf.core.pobjects.Document document = new org.icepdf.core.pobjects.Document(); |
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document.setFile(pdfPath); |
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float scale = 2.5f;//缩放比例 |
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float rotation = 0f;//旋转角度 |
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//pdf转图片 |
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for (int i = 0; i < document.getNumberOfPages(); i++) { |
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BufferedImage image = (BufferedImage) |
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document.getPageImage(i, GraphicsRenderingHints.SCREEN, org.icepdf.core.pobjects.Page.BOUNDARY_CROPBOX, rotation, scale); |
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RenderedImage rendImage = image; |
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File fileDir = new File(imagePath); |
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if (!fileDir.exists()) { |
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fileDir.mkdirs(); |
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} |
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String imgName = fileName + i + ".png";//图片名称 |
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String filePath = imagePath + imgName;//图片文件路径 |
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File file = new File(filePath); |
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ImageIO.write(rendImage, "png", file); |
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image.flush(); |
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pathList.add(filePath); |
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} |
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document.dispose();//关闭流 |
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//图片转base64 |
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for (String path : pathList) { |
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String imgFile = path;// 待处理的图片 |
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byte[] data = null; |
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String encode = null; // 返回Base64编码过的字节数组字符串 |
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BASE64Encoder encoder = new BASE64Encoder();// 对字节数组Base64编码 |
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// 读取图片字节数组 |
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in = new FileInputStream(imgFile); |
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data = new byte[in.available()]; |
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in.read(data); |
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encode = encoder.encode(data); |
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codeList.add(encode); |
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} |
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return Result.OK("pdf转图片base64成功", codeList); |
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// TODO 目前是本地路径，项目中定义临时路径然后进行转换成 File |
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String outPutPath = System.getProperty("java.io.tmpdir") + File.separator + "resultPdf.pdf"; |
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List<String> imageUrlList = Arrays.asList(images.split(";")); |
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convertImagesToPDF(imageUrlList,outPutPath); |
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// 将输出路径转换成 File，后续进行 OSS 上传 |
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File file = new File(outPutPath); |
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InputStream inputStream = new FileInputStream(file); |
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//获取当前时间 |
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); |
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Date now = new Date(); |
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String formattedDate = sdf.format(now); |
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pdfUrl = OssBootUtil.upload(inputStream, formattedDate+".pdf"); |
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//删除临时文件 |
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file.delete(); |
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}catch (Exception e){ |
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}catch (Exception e){ |
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e.printStackTrace(); |
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e.printStackTrace(); |
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return Result.error("pdf转图片base64失败", codeList); |
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}finally { |
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try{ |
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if(null != in){ |
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in.close();//关闭文件流 |
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} |
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}catch (Exception e){ |
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e.printStackTrace(); |
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return Result.error("pdf转图片base64失败", codeList); |
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} |
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return Result.error("图片转pdf失败"); |
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} |
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} |
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return Result.OK("pdf地址", pdfUrl); |
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} |
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} |
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/** |
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* 将 pdf链接文件转换成多图片base64 |
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* @param pdfLink |
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* @return |
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* @throws IOException |
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*/ |
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public static List<String> convertPdfToBase64(String pdfLink) throws IOException { |
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List<String> base64Images = new ArrayList<>(); |
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//图片转pdf |
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public Result<?> image2pdf(String images){ |
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// 下载 PDF 文件 |
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InputStream pdfInputStream = new URL(pdfLink).openStream(); |
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//获取当前时间 |
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); |
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Date now = new Date(); |
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String formattedDate = sdf.format(now); |
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System.out.println(formattedDate); |
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// 加载 PDF 文档 |
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PDDocument document = PDDocument.load(pdfInputStream); |
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//String images = "F:\\temp\\image_0.png;F:\\temp\\image_1.png;F:\\temp\\image_2.png";//图片文件地址 |
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String pdfPath = "F:\\temp\\"+formattedDate+".pdf"; // 输出pdf文件路径 |
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String[] imageList = images.split(";"); |
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// 初始化 PDF 渲染器 |
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PDFRenderer pdfRenderer = new PDFRenderer(document); |
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try{ |
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ArrayList<String> imageUrllist = new ArrayList<String>(); //图片list集合 |
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for (int i=0; i<imageList.length; i++) { |
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imageUrllist.add(imageList[i]); |
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} |
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// 遍历 PDF 每一页并转换为 Base64 编码的图片 |
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for (int pageIndex = 0; pageIndex < document.getNumberOfPages(); pageIndex++) { |
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// 渲染当前页面并转成 BufferedImage |
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BufferedImage image = pdfRenderer.renderImage(pageIndex, 2.0f); // 2.0f 对应于 200 DPI（调整为需要的分辨率） |
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File file = Pdf(imageUrllist, pdfPath);//生成pdf |
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file.createNewFile(); |
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// 将图片转换为 Base64 |
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String base64Image = convertImageToBase64(image); |
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base64Images.add(base64Image); |
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} |
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return Result.OK("图片转pdf成功", pdfPath); |
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}catch (Exception e){ |
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e.printStackTrace(); |
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document.close(); // 关闭文档流 |
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IOUtils.closeQuietly(pdfInputStream); // 关闭输入流 |
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return Result.error("图片转pdf失败", pdfPath); |
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} |
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return base64Images; |
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} |
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/** |
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* 图片转换成 base64 |
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* @param image |
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* @return |
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* @throws IOException |
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*/ |
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private static String convertImageToBase64(BufferedImage image) throws IOException { |
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
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ImageIO.write(image, "PNG", byteArrayOutputStream); |
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byte[] imageBytes = byteArrayOutputStream.toByteArray(); |
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return Base64.getEncoder().encodeToString(imageBytes); |
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} |
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} |
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//生成pdf |
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public static File Pdf(ArrayList<String> imageUrllist, String mOutputPdfFileName) { |
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Document doc = new Document(PageSize.A4, 0, 0, 0, 0); //new一个pdf文档 |
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try { |
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PdfWriter.getInstance(doc, new FileOutputStream(mOutputPdfFileName)); //pdf写入 |
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doc.open();//打开文档 |
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for (int i = 0; i < imageUrllist.size(); i++) { //循环图片List，将图片加入到pdf中 |
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doc.newPage(); //在pdf创建一页 |
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Image png1 = Image.getInstance(imageUrllist.get(i)); //通过文件路径获取image |
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float heigth = png1.getHeight(); |
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float width = png1.getWidth(); |
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int percent = getPercent2(heigth, width); |
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png1.setAlignment(Image.MIDDLE); |
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png1.scalePercent(percent + 3);// 表示是原来图像的比例; |
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doc.add(png1); |
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} |
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doc.close(); |
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} catch (FileNotFoundException e) { |
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e.printStackTrace(); |
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} catch (DocumentException e) { |
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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File mOutputPdfFile = new File(mOutputPdfFileName); //输出流 |
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if (!mOutputPdfFile.exists()) { |
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mOutputPdfFile.deleteOnExit(); |
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return null; |
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/** |
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* 多图片拼接成pdf |
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* @param imageUrls |
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* @param outputPdfPath 输出地址 |
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* @throws Exception |
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*/ |
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public static void convertImagesToPDF(List<String> imageUrls, String outputPdfPath) throws Exception { |
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// 创建 PDF 文档 |
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PDDocument document = new PDDocument(); |
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for (String imageUrl : imageUrls) { |
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// 创建一个新的页面 |
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PDPage page = new PDPage(); |
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document.addPage(page); |
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// 获取图片 |
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InputStream imageStream = new URL(imageUrl).openStream(); |
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PDImageXObject pdImage = createImageFromInputStream(document, imageStream); |
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// 创建内容流 |
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PDPageContentStream contentStream = new PDPageContentStream(document, page); |
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// 获取图片宽高，计算缩放比例 |
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float imageWidth = pdImage.getWidth(); |
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float imageHeight = pdImage.getHeight(); |
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// 根据 PDF 页面大小调整图片大小 |
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float pageWidth = page.getMediaBox().getWidth(); |
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float pageHeight = page.getMediaBox().getHeight(); |
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// 按比例缩放图片 |
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float scaleFactor = Math.min(pageWidth / imageWidth, pageHeight / imageHeight); |
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float scaledWidth = imageWidth * scaleFactor; |
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float scaledHeight = imageHeight * scaleFactor; |
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// 设置图片的位置 |
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float x = (pageWidth - scaledWidth) / 2; |
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float y = (pageHeight - scaledHeight) / 2; |
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// 绘制图片 |
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contentStream.drawImage(pdImage, x, y, scaledWidth, scaledHeight); |
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// 关闭内容流 |
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contentStream.close(); |
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} |
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} |
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return mOutputPdfFile; //反回文件输出流 |
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} |
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public static int getPercent2(float h, float w) { |
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int p = 0; |
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float p2 = 0.0f; |
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p2 = 530 / w * 100; |
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p = Math.round(p2); |
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return p; |
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document.save(outputPdfPath); |
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document.close(); |
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} |
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} |
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/** |
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* 将图片转换成PDImageXObject对象操作 |
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* @param document |
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* @param imageStream |
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* @return |
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* @throws IOException |
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*/ |
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public static PDImageXObject createImageFromInputStream(PDDocument document, InputStream imageStream) throws IOException { |
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// 使用 ByteArrayOutputStream 读取 InputStream 中的数据 |
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
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byte[] buffer = new byte[1024]; |
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int bytesRead; |
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while ((bytesRead = imageStream.read(buffer)) != -1) { |
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byteArrayOutputStream.write(buffer, 0, bytesRead); |
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} |
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// 将字节数组传给 PDFBox 创建图片对象 |
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return PDImageXObject.createFromByteArray(document, byteArrayOutputStream.toByteArray(), "image"); |
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} |
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} |
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} |
Aug
3 months ago