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html转pdf

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This commit is contained in:
18792927508
2023-11-28 16:33:13 +08:00
parent 9c6a5fc390
commit 9f9da3a0dc
7 changed files with 234 additions and 4 deletions
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ruoyi-admin/src/main/java/com/ruoyi/web/controller/wisdomarbitrate/VideoController.java
+14
View File
@@ -118,6 +118,20 @@ public class VideoController extends BaseController {
return videoService.secretaryRoleByUserId(userId);
}
/**
* 根据html字符串转pdf并和案件关联
* @param reservedConferenceVO
* @return
*/
@Anonymous
@PostMapping("htmlToPDF")
public AjaxResult secretaryRoleByUserId( @RequestBody ReservedConferenceVO reservedConferenceVO) {
if( reservedConferenceVO.getCaseId()==null || StrUtil.isEmpty(reservedConferenceVO.getHtmlContent())){
return success();
}
return videoService.htmlToPDF(reservedConferenceVO);
}
}
ruoyi-common/pom.xml
+11
View File
@@ -181,6 +181,17 @@
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13</version>
</dependency>
<dependency>
<groupId>com.itextpdf.tool</groupId>
<artifactId>xmlworker</artifactId>
<version>5.5.13</version>
</dependency>
<!-- 发送邮件-->
<dependency>
ruoyi-common/src/main/java/com/ruoyi/common/config/RuoYiConfig.java
+4
View File
@@ -140,5 +140,9 @@ public class RuoYiConfig
{
return getProfile() + "/video";
}
public static String getHtml2PDFPath()
{
return getProfile() + "/upload/html2PDF/";
}
// https://1304001529.vod-qcloud.com/b78823bbvodcq1304001529/3ce565bf3270835011486046286/f0.mp4
}
ruoyi-common/src/main/java/com/ruoyi/common/utils/PdfUtils.java
+148
View File
@@ -0,0 +1,148 @@
package com.ruoyi.common.utils;
import com.documents4j.api.DocumentType;
import com.documents4j.api.IConverter;
import com.documents4j.job.LocalConverter;
import com.itextpdf.text.Document;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
/**
* @author wangqiong
* @description pdf转换工具类
* @date 2023-11-28 15:20
*/
public class PdfUtils {
/**
* 将html字符串转为pdf
* @param pdfFilePath 保存的路径
* @param htmlcontent:必须是完整的html格式，比如<html><body>123</body></html>
*/
public static boolean htmlStringConvertToPDF(String pdfFilePath, String htmlcontent) {
Document document = new Document();
PdfWriter writer = null;
try {
if(!new File(pdfFilePath).exists()){
new File(pdfFilePath).createNewFile();
}
writer = PdfWriter.getInstance(document, new FileOutputStream(pdfFilePath));
// 设置底部距离60，解决重叠问题
document.setPageSize(PageSize.A4);
document.setMargins(50, 45, 50, 60);
document.setMarginMirroring(false);
document.open();
XMLWorkerHelper.getInstance().parseXHtml(writer, document, new ByteArrayInputStream(htmlcontent.getBytes("UTF-8")), null, Charset.forName("UTF-8"));
} catch (Exception e) {
return false;
} finally {
if (null != document) {
document.close();
}
if (null != writer) {
writer.close();
}
}
return true;
}
/**
* 根据html文件生成pdf
* @param pdfFilePath pdf文件生成路径
* @param htmlFilePath html文件路径
*/
public static boolean htmlFileConvertToPDF(String pdfFilePath, String htmlFilePath) {
Document document = new Document();
PdfWriter writer = null;
FileOutputStream fileOutputStream = null;
FileInputStream fileInputStream = null;
try {
fileOutputStream = new FileOutputStream(pdfFilePath);
writer = PdfWriter.getInstance(document, fileOutputStream);
// 设置底部距离60，解决重叠问题
document.setPageSize(PageSize.A4);
document.setMargins(50, 45, 50, 60);
document.setMarginMirroring(false);
document.open();
StringBuffer sb = new StringBuffer();
fileInputStream = new FileInputStream(htmlFilePath);
BufferedReader br = new BufferedReader(new InputStreamReader(fileInputStream, "UTF-8"));
String readStr = "";
while ((readStr = br.readLine()) != null) {
sb.append(readStr);
}
XMLWorkerHelper.getInstance().parseXHtml(writer, document, new ByteArrayInputStream(sb.toString().getBytes("Utf-8")), null, Charset.forName("UTF-8"));
} catch (Exception e) {
e.printStackTrace();
} finally {
if (null != document) {
document.close();
}
if (null != writer) {
writer.close();
}
if (null != fileInputStream) {
try {
fileInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (null != fileOutputStream) {
try {
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return true;
}
/**
* docx转pdf
* @param pdfSaveDirectory:文件保存目录，例：D:\\pdf\\
* @param fileName：保存的文件名称，例：test.pdf
* @param docxFile：需要转换的docx文件
* @return
*/
private static boolean docxConvertToPDF(String pdfSaveDirectory,String fileName,File docxFile) {
// 不存在则新建
File directory = new File(pdfSaveDirectory);
if (!directory.exists()) {
directory.mkdirs();
}
String pdfFilePath = pdfSaveDirectory + fileName;
File outputFile = new File(pdfFilePath);
try {
InputStream docxInputStream = Files.newInputStream(docxFile.toPath());
OutputStream outputStream = Files.newOutputStream(outputFile.toPath());
IConverter converter = LocalConverter.builder().build();
converter.convert(docxInputStream).as(DocumentType.DOCX).to(outputStream).as(DocumentType.PDF).execute();
docxInputStream.close();
outputStream.close();
} catch (Exception e) {
return false;
}
return true;
}
public static void main(String[] args) {
try {
String pdfFile = "D:\\test2.pdf";
String htmlContent1 = "<h1>夫士大夫士大夫发</h1><p>会见韩国机构行家</p ><h2>地方鬼地方鬼地方三个广泛的</h2>";
String htmlContent = "<html><body style=\"font-size:12.0pt; font-family:宋体\">" + "<h1>夫士大夫士大夫发</h1><p>会见韩国机构行家</p ><h2>地方鬼地方鬼地方三个广泛的</h2></body></html>";
String htmlContent2 = "<html><body >" + "<h1>夫士大夫士大夫发</h1><p>会见韩国机构行家</p ><h2>地方鬼地方鬼地方三个广泛的</h2></body></html>";
htmlStringConvertToPDF(pdfFile,htmlContent);
// parseHtml2PdfByFilePath(pdfFile,htmlFile);
} catch (Exception e) {
e.printStackTrace();
}
}
}
ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/domain/vo/ReservedConferenceVO.java
+14 -1
View File
@@ -23,12 +23,25 @@ public class ReservedConferenceVO {
* 房间号id
*/
private Long roomId;
/**
* 会议开始时间
*/
@NotNull(message = "会议开始时间不能为空")
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date scheduleStartTime;
/**
* 会议结束时间
*/
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date scheduleEndTime;
/**
* 案件id
*/
@NotNull(message = "案件id不能为空")
private Long caseId;
/**
* html内容
*/
private String htmlContent;
}
ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/VideoService.java
+8
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@@ -2,6 +2,7 @@ package com.ruoyi.wisdomarbitrate.service;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.wisdomarbitrate.domain.IdentityAuthentication;
import com.ruoyi.wisdomarbitrate.domain.vo.ReservedConferenceVO;
import com.ruoyi.wisdomarbitrate.domain.vo.WeChatUserVO;
import javax.servlet.http.HttpServletRequest;
@@ -39,4 +40,11 @@ public interface VideoService {
* @return
*/
AjaxResult secretaryRoleByUserId(Long userId);
/**
* 根据html字符串转pdf并和案件关联
* @param reservedConferenceVO
* @return
*/
AjaxResult htmlToPDF(ReservedConferenceVO reservedConferenceVO);
}
ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/impl/VideoServiceImpl.java
+35 -3
View File
@@ -13,9 +13,11 @@ import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.PdfUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.SmsUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.spring.SpringUtils;
import com.ruoyi.system.mapper.SysRoleMapper;
import com.ruoyi.system.mapper.SysUserMapper;
@@ -23,6 +25,7 @@ import com.ruoyi.system.mapper.SysUserRoleMapper;
import com.ruoyi.wisdomarbitrate.domain.CaseApplication;
import com.ruoyi.wisdomarbitrate.domain.CaseAttach;
import com.ruoyi.wisdomarbitrate.domain.IdentityAuthentication;
import com.ruoyi.wisdomarbitrate.domain.vo.ReservedConferenceVO;
import com.ruoyi.wisdomarbitrate.domain.vo.WeChatUserVO;
import com.ruoyi.wisdomarbitrate.mapper.CaseApplicationMapper;
import com.ruoyi.wisdomarbitrate.mapper.CaseAttachMapper;
@@ -312,6 +315,38 @@ public class VideoServiceImpl implements VideoService {
return success(jsonObject);
}
/**
* 根据html字符串转pdf并和案件关联
* @param reservedConferenceVO
* @return
*/
@Override
public AjaxResult htmlToPDF(ReservedConferenceVO reservedConferenceVO) {
String currentFileName = System.currentTimeMillis() + ".pdf";
String fileName = null;
try {
fileName = getPathFileName(RuoYiConfig.getHtml2PDFPath(), currentFileName);
} catch (IOException e) {
throw new RuntimeException(e);
}
// html转pdf并上传到服务器
boolean convertFlag = PdfUtils.htmlStringConvertToPDF(RuoYiConfig.getHtml2PDFPath() + currentFileName, reservedConferenceVO.getHtmlContent());
// 绑定案件
if(convertFlag){
CaseAttach caseAttach = CaseAttach.builder().caseAppliId(reservedConferenceVO.getCaseId())
.annexName(fileName)
.annexPath(RuoYiConfig.getHtml2PDFPath())
.annexType(11)
.build();
caseAttachMapper.save(caseAttach);
return AjaxResult.success();
}else {
return AjaxResult.error("pdf转换失败");
}
}
/**
* 查询出音视频集合，并下载，在将云点播上面的音视频删除
@@ -388,9 +423,7 @@ public class VideoServiceImpl implements VideoService {
staticAndMksDir = Paths.get(absPath).toFile().toString();
long downloadFile = HttpUtil.downloadFile(fileUrl, staticAndMksDir);
if(downloadFile>0) {
log.info("下载成功roomId"+roomId);
Long caseId = caseApplicationMapper.selectCaseIdByRoomId(roomId);
log.info("下载成功caseId"+caseId);
String annexName = getPathFileName(RuoYiConfig.getVideoUploadPath(), fileName);
// 存入数据库
CaseAttach caseAttach = CaseAttach.builder().caseAppliId(caseId)
@@ -399,7 +432,6 @@ public class VideoServiceImpl implements VideoService {
.annexType(9)
.build();
caseAttachMapper.save(caseAttach);
log.info("保存附件号成功");
return annexName;
}
}