java 传ppt url ppt转pdf java将ppt转为图片

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烂漫树林 2024-02-26 17:47:13
package com; 



 import java.awt.Color; 

 import java.awt.Dimension; 

 import java.awt.Graphics2D; 

 import java.awt.geom.Rectangle2D; 

 import java.awt.image.BufferedImage; 

 import java.io.FileInputStream; 

 import java.io.FileNotFoundException; 

 import java.io.FileOutputStream; 

 import java.io.IOException; 

 import java.util.ArrayList; 

 import java.util.HashMap; 

 import java.util.List; 

 import java.util.Map; 

 import java.util.UUID; 



 import javax.imageio.ImageIO; 



 import org.apache.poi.hslf.usermodel.HSLFSlide; 

 import org.apache.poi.hslf.usermodel.HSLFSlideShow; 

 import org.apache.poi.hslf.usermodel.HSLFTextParagraph; 

 import org.apache.poi.hslf.usermodel.HSLFTextRun; 

 import org.apache.poi.xslf.usermodel.XMLSlideShow; 

 import org.apache.poi.xslf.usermodel.XSLFSlide; 

 import org.apache.xmlbeans.XmlException; 

 import org.openxmlformats.schemas.drawingml.x2006.main.CTRegularTextRun; 

 import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBody; 

 import org.openxmlformats.schemas.drawingml.x2006.main.CTTextCharacterProperties; 

 import org.openxmlformats.schemas.drawingml.x2006.main.CTTextFont; 

 import org.openxmlformats.schemas.drawingml.x2006.main.CTTextParagraph; 

 import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShape; 

 import org.openxmlformats.schemas.presentationml.x2006.main.CTShape; 

 import org.openxmlformats.schemas.presentationml.x2006.main.CTSlide; 



 /** 

  * PPT转image工具类 

  * 使用的Apache poi-3.14的版本  依赖第三方jar包：poi-3.14-20160307.jar、poi-ooxml-3.14-20160307.jar、 

  * poi-ooxml-schemas-3.14-20160307.jar、poi-scratchpad-3.14-20160307.jar、xmlbeans-2.6.0.jar 

  * @author yds  

  * @date 2017-03-22 

  * 

  */ 

 public class ConverPPTFileToImageUtil { 

 



/** 

* 将PPTX 文件转换成image 

* @param orignalPPTFileName  //PPTX文件路径 如：d:/demo/demo1.pptx 

* @param targetImageFileDir //转换后的图片保存路径 如：d:/demo/pptxImg 

* @param imageFormatNameString //图片转化的格式字符串 ，如："jpg"、"jpeg"、"bmp" "png" "gif" "tiff" 

* @return Map<String,Object> 

* 
key: converReturnResult   类型：boolean 转化结果 true 代表转换成功，false 代表转换失败 

* 
key:imgNames 
   类型：List<String> 转换成功后图片的全部名称集合 

* 
注：获取“imgNames”图片名称集合时，请先判断“converReturnResult” 是否为true；如果有一张转换失败则为false 

*/ 

@SuppressWarnings("resource") 

public static  Map<String,Object> converPPTXtoImage(String orignalPPTFileName,String targetImageFileDir, 

String imageFormatNameString){ 

Map<String,Object> map=new HashMap<String, Object>(); 

boolean converReturnResult=false;//是否全部转成功 

List<String> imgNamesList=new ArrayList<String>();//PPT转成图片后所有名称集合 

 

 

FileInputStream orignalPPTFileInputStream=null; 

FileOutputStream orignalPPTFileOutStream=null; 

XMLSlideShow oneSlideShow=null; 

 

try{ 

try { 

orignalPPTFileInputStream=new FileInputStream(orignalPPTFileName); 

} catch (FileNotFoundException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

 

try { 

oneSlideShow=new XMLSlideShow(orignalPPTFileInputStream); 

} catch (IOException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

//获取PPT每页的尺寸大小（宽和高度） 

Dimension onePPTPageSize=oneSlideShow.getPageSize(); 

//获取PPT文件中的所有PPT页面，并转换为一张张播放片 

List<XSLFSlide> pptPageXSLFSLiseList= oneSlideShow.getSlides(); 

 

String xmlFontFormat="<xml-fragment xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" xmlns:p=\"http://schemas.openxmlformats.org/presentationml/2006/main\">"+  

"<a:rPr lang=\"zh-CN\" altLang=\"en-US\" dirty=\"0\" smtClean=\"0\"> "+ 

"<a:latin typeface=\"+mj-ea\"/> "+   

                               "</a:rPr>"+   

                             "</xml-fragment>";   

 

 

for (int i = 0; i < pptPageXSLFSLiseList.size(); i++) { 

/** 

* 设置中文为宋体，解决中文乱码问题 

*/ 

CTSlide oneCTSlide=pptPageXSLFSLiseList.get(i).getXmlObject(); 

CTGroupShape oneCTGroupShape=oneCTSlide.getCSld().getSpTree(); 

List<CTShape>  oneCTShapeList=oneCTGroupShape.getSpList(); 

for (CTShape ctShape : oneCTShapeList) { 

CTTextBody oneCTTextBody = ctShape.getTxBody(); 

  

if(null==oneCTTextBody){ 

continue; 

} 

CTTextParagraph[]  oneCTTextParagraph= oneCTTextBody.getPArray(); 

CTTextFont oneCTTextFont=null; 

try { 

oneCTTextFont=CTTextFont.Factory.parse(xmlFontFormat); 

} catch (XmlException e) { 

e.printStackTrace(); 

} 

  

for (CTTextParagraph ctTextParagraph : oneCTTextParagraph) { 

CTRegularTextRun[]  onrCTRegularTextRunArray=ctTextParagraph.getRArray(); 

for (CTRegularTextRun ctRegularTextRun : onrCTRegularTextRunArray) { 

CTTextCharacterProperties  oneCTTextCharacterProperties =ctRegularTextRun.getRPr(); 

oneCTTextCharacterProperties.setLatin(oneCTTextFont); 

  

} 

  

} 

} 

  

//创建BufferedImage 对象，图像尺寸为原来的PPT的每页尺寸 

  

BufferedImage oneBufferedImage=new BufferedImage(onePPTPageSize.width, onePPTPageSize.height, BufferedImage.TYPE_INT_RGB); 

Graphics2D  oneGraphics2D = oneBufferedImage.createGraphics(); 

//将PPT文件中的每个页面中的相关内容画到转换后的图片中 

pptPageXSLFSLiseList.get(i).draw(oneGraphics2D); 

/** 

  * 设置图片的存放路径和图片格式，注意生成的文件路径为绝对路径，最终获得各个图像文件所对应的输出流的对象 

  */ 

  

try { 

String imgName=(i+1)+"_"+UUID.randomUUID().toString()+"."+imageFormatNameString; 

imgNamesList.add(imgName);//将图片名称添加的集合中 

  

orignalPPTFileOutStream=new FileOutputStream(targetImageFileDir+imgName); 

 // 
 orignalPPTFileOutStream=new FileOutputStream(targetImageFileDir+(i+1)+"_"+UUID.randomUUID().toString()+"."+imageFormatNameString); 

} catch (FileNotFoundException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

  

//将转换后的各个图片文件保存带指定的目录中 

try { 

ImageIO.write(oneBufferedImage, imageFormatNameString, orignalPPTFileOutStream); 

} catch (IOException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

  

 

} 

 

 

} finally{ 

try { 

if(orignalPPTFileInputStream!=null){ 

orignalPPTFileInputStream.close(); 

} 

} catch (IOException e) { 

e.printStackTrace(); 

} 

 

try { 

if(orignalPPTFileOutStream!=null){ 

orignalPPTFileOutStream.close(); 

} 

} catch (IOException e) { 

e.printStackTrace(); 

} 

 

converReturnResult=true; 

map.put("converReturnResult", converReturnResult); 

map.put("imgNames", imgNamesList); 

} 

 

 

 

return map; 

} 

 

 

/** 

* 将PPT 文件转换成image 

* @param orignalPPTFileName  //PPT文件路径 如：d:/demo/demo1.ppt 

* @param targetImageFileDir //转换后的图片保存路径 如：d:/demo/pptImg 

* @param imageFormatNameString //图片转化的格式字符串 ，如："jpg"、"jpeg"、"bmp" "png" "gif" "tiff" 

* @return Map<String,Object> 

* 
key: converReturnResult   类型：boolean 转化结果 true 代表转换成功，false 代表转换失败 

* 
key:imgNames 
   类型：List<String> 转换成功后图片的全部名称集合 

* 
注：获取“imgNames”图片名称集合时，请先判断“converReturnResult” 是否为true；如果有一张转换失败则为false 

*/ 

@SuppressWarnings("resource") 

public static Map<String,Object> converPPTtoImage(String orignalPPTFileName,String targetImageFileDir, 

String imageFormatNameString){ 

Map<String,Object> map=new HashMap<String, Object>(); 

boolean converReturnResult=false;//是否全部转成功 

List<String> imgNamesList=new ArrayList<String>();//PPT转成图片后所有名称集合 

 

 

FileInputStream orignalPPTFileInputStream=null; 

FileOutputStream orignalPPTFileOutStream=null; 

HSLFSlideShow  oneHSLFSlideShow=null; 

 

 

try{ 

try { 

orignalPPTFileInputStream=new FileInputStream(orignalPPTFileName); 

} catch (FileNotFoundException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

 

try { 

oneHSLFSlideShow=new HSLFSlideShow(orignalPPTFileInputStream); 

} catch (IOException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

//获取PPT每页的大小（宽和高度） 

Dimension  onePPTPageSize= oneHSLFSlideShow.getPageSize(); 

 

//获得PPT文件中的所有的PPT页面（获得每一张幻灯片）,并转为一张张的播放片 

List<HSLFSlide> pptPageSlideList=oneHSLFSlideShow.getSlides(); 

//下面循环的主要功能是实现对PPT文件中的每一张幻灯片进行转换和操作 

for (int i = 0; i <pptPageSlideList.size(); i++) { 

//这几个循环只要是设置字体为宋体，防止中文乱码， 

List<List<HSLFTextParagraph>>  oneTextParagraphs=pptPageSlideList.get(i).getTextParagraphs(); 

for (List<HSLFTextParagraph> list :oneTextParagraphs) { 

for (HSLFTextParagraph hslfTextParagraph : list) { 

List<HSLFTextRun> HSLFTextRunList= hslfTextParagraph.getTextRuns(); 

for (int j = 0; j <HSLFTextRunList.size(); j++) { 

  

/* 

  * 如果PPT在WPS中保存过，则 HSLFTextRunList.get(j).getFontSize();的值为0或者26040， 

  * 因此首先识别当前文本框内的字体尺寸是否为0或者大于26040，则设置默认的字体尺寸。 

  *  

  */ 

//设置字体大小 

Double size= HSLFTextRunList.get(j).getFontSize(); 

if((size<=0)||(size>=26040)){ 

HSLFTextRunList.get(j).setFontSize(20.0); 

} 

//设置字体样式为宋体 

 // 
 String family=HSLFTextRunList.get(j).getFontFamily(); 

HSLFTextRunList.get(j).setFontFamily("宋体"); 

 

} 

} 

 

} 

/** 

* 创建BufferedImage对象，图像的尺寸为原来的每页的尺寸 

*/ 

BufferedImage oneBufferedImage=new BufferedImage(onePPTPageSize.width, onePPTPageSize.height, BufferedImage.TYPE_INT_RGB); 

Graphics2D oneGraphics2D=oneBufferedImage.createGraphics(); 

/** 

  * 设置转换后的图片背景色为白色 

  *  

  */ 

oneGraphics2D.setPaint(Color.white); 

oneGraphics2D.fill(new Rectangle2D.Float(0,0,onePPTPageSize.width,onePPTPageSize.height)); 

pptPageSlideList.get(i).draw(oneGraphics2D); 

/** 

  * 设置图片的存放路径和图片格式，注意生成的图片路径为绝对路径，最终获得各个图像文件所对应的输出流对象 

  */ 

try { 

  

String imgName=(i+1)+"_"+UUID.randomUUID().toString()+"."+imageFormatNameString; 

imgNamesList.add(imgName);//将图片名称添加的集合中 

  

orignalPPTFileOutStream=new FileOutputStream(targetImageFileDir+imgName); 

 

} catch (FileNotFoundException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

/** 

* 转换后的图片文件保存的指定的目录中 

*/ 

  

try { 

ImageIO.write(oneBufferedImage, imageFormatNameString, orignalPPTFileOutStream); 

 // 
 throw new IOException(); 

} catch (IOException e) { 

e.printStackTrace(); 

map.put("converReturnResult", converReturnResult); 

return map; 

} 

 

 

} 

 

 

 

 

}finally{ 

try { 

if(orignalPPTFileInputStream!=null){ 

orignalPPTFileInputStream.close(); 

} 

} catch (IOException e) { 

e.printStackTrace(); 

} 

 

try { 

if(orignalPPTFileOutStream!=null){ 

orignalPPTFileOutStream.close(); 

} 

} catch (IOException e) { 

e.printStackTrace(); 

} 

 

converReturnResult=true; 

map.put("converReturnResult", converReturnResult); 

map.put("imgNames", imgNamesList); 

} 

 

 

 

return map; 

} 

 

 

public static void main(String[] args) { 

 

//PPT调用示例 

 // 
 Map<String,Object> map= 
 ConverPPTFileToImageUtil.converPPTtoImage("E:\\ppt\\oracle SQL语法大全(第一课).ppt", "E:\\ppt\\pptimg\\", "jpg"); 

//PPTX调用示例 

Map<String,Object> map=ConverPPTFileToImageUtil.converPPTXtoImage("E:\\ppt\\PMS2.0界面设计培训-20130507.pptx", "E:\\ppt\\pptimg\\", "jpg"); 

boolean converReturnResult=(Boolean) map.get("converReturnResult"); 

System.out.println("converReturnResult:"+converReturnResult); 

if(converReturnResult){//如果全部转换成功,则为true;如果有一张转换失败,则为fasle 

@SuppressWarnings("unchecked") 

List<String> imgNames=(List<String>) map.get("imgNames"); 

for (String imgName : imgNames) { 

System.out.println(imgName); 

} 

 

} 

 

} 



 }
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