文章目录
- 1.依赖
- 2.使用
- 2.1 ppt数据的实体类
- 2.2 实现接口
- 2.3 工具类
- 3.根据模板生成新的PPT
最近项目中有一个需求就是让Java代码去代替人工操作,自动生成PPT,具体就是查询数据库数据,然后根据模板文件(PPT),将数据库数据与模板文件(PPT),进行组合一下。生成新的PPT文件。
假设模板如下:
注意:需要一个一个输入框(进步姓名和进步成绩分开往ppt里面写)的往ppt里面输入,因为代码里面一个输入框表示一个对象
1.依赖
<!-- poi-->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.15</version>
</dependency>
<!-- 文件操作工具类FileUtils-->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
HSSF-提供读写MicrosoftExcelXLS格式档案的功能 -- excel
XSSF-提供读写MicrosoftExcelOOXMLXLSX格式档案的功能 -- excel(07以上)
HWPF-提供读写MicrosoftWordDOC格式档案的功能 -- word
HSLF-提供读写MicrosoftPowerPoint格式档案的功能 -- ppt
HDGF-提供读MicrosoftVisio格式档案的功能 -- 流程图
HPBF-提供读MicrosoftPublisher格式档案的功能 -- 桌面应用
HSMF-提供读MicrosoftOutlook格式档案的功能 -- 邮件
2.使用
2.1 ppt数据的实体类
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author lc
* @version 1.0
* @date 2022/3/29 9:48
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public class WeekAnalyseModel {
private String userName; // 名字
private int weekData; // 积分
private int listNumber; // 闪耀
private String pictureURL; // 图片
}
2.2 实现接口
import com.zykj.healthcode.pojo.WeekAnalyseModel;
import org.apache.poi.sl.usermodel.Shape;
import org.apache.poi.sl.usermodel.Slide;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.io.*;
import java.util.List;
/**
* 读取模板PPT生成新的PPT文件
*
* @author Promsing(张有博)
* @version 1.0.0
* @since 2022/2/11 - 15:37
*/
@RestController
public class RenderPowerPointTemplate extends BasePowerPointFileUtil {
/**
* 读取PPT模板
* @param powerPoint - ppt的输入流,rankType存储的符盘路径, lists--ppt里面想要存放的数据
* @param
* @throws IOException
*/
//public static void renderPowerPointTemplateOfCertificate(InputStream powerPoint, List<WeekAnalyseModel> lists, String rankType) throws IOException {
@RequestMapping("/test")
public void renderPowerPointTemplateOfCertificate() throws IOException {
//List<WeekAnalyseModel>是我们项目自己定义的model,可改成其他业务的model
/*if(powerPoint == null) {
return;
}*/
//创建一个幻灯片
XMLSlideShow slideShow = new XMLSlideShow(powerPoint);
//从幻灯片中获取每个页
List slides = slideShow.getSlides();
//遍历每一页PPT
for (int i = 0 ; i < slides.size() ; i++) {
//幻灯片布局,文本框,矩形框之类的,遍历一页PPT中的所有控件
List shapes = ((Slide)slides.get(i)).getShapes();
for (int j = 0 ; j < shapes.size() ; j++) {
Shape shape = (Shape) shapes.get(j);
// 假如的数据
WeekAnalyseModel weekAnalyseModel = new WeekAnalyseModel();
weekAnalyseModel.setUserName("测试");
weekAnalyseModel.setWeekData(1);
//RenderPowerPointTemplate.renderShapeAndPicture(shape, lists.get(i),rankType);
RenderPowerPointTemplate.renderShapeAndPicture(shape, weekAnalyseModel,"E:\\");
}
}
//新PPT的位置,file就是新的PPT文件
//File file=new File(rankType+"test.pptx");
File file=new File("E:\\"+"test.pptx");
OutputStream outputStreams = new FileOutputStream(file);
slideShow.write(outputStreams);
// FileUpLoadUtil.T_THREAD_LOCAL.set(file.getAbsolutePath());
System.out.println("新文件的路径:"+file.getAbsolutePath());
}
}
2.3 工具类
import com.zykj.healthcode.pojo.WeekAnalyseModel;
import org.apachemons.io.FileUtils;
import org.apache.poi.sl.usermodel.Shape;
import org.apache.poi.sl.usermodel.*;
import org.apache.poi.xslf.usermodel.XSLFTextRun;
import org.apache.poi.xslf.usermodel.XSLFTextShape;
import java.awt.*;
import java.io.*;
import java.URL;
import java.util.Iterator;
/**
* <p>PowerPoint文件工具基类
* <p>
* <p>通用的PowerPoint文件工具基类,可用于从PowerPoint文档中抽取文本信息
*/
public class BasePowerPointFileUtil {
/**
* 渲染、绘制文本框
*
* @param shape
* @param data
*/
public static void renderShapeAndPicture(Shape shape, WeekAnalyseModel data,String rankType) {
//判断是否是文本框
if (shape instanceof TextShape) {
BasePowerPointFileUtil.replace(shape, data,rankType);
} else if (shape instanceof GroupShape) {
Iterator groupShapes = ((GroupShape) shape).iterator();
while (groupShapes.hasNext()) {
Shape groupShape = (Shape) groupShapes.next();
BasePowerPointFileUtil.renderShapeAndPicture(groupShape, data,rankType);
}
} else if (shape instanceof TableShape) {
TableShape tableShape = ((TableShape) shape);
int column = tableShape.getNumberOfColumns();
int row = tableShape.getNumberOfRows();
for (int r = 0; r < row; r++) {
for (int c = 0; c < column; c++) {
BasePowerPointFileUtil.replace(tableShape.getCell(r, c), data,rankType);
}
}
} else if (shape instanceof PictureShape) {
//判断是否是图片框
PictureShape pictureShape = (PictureShape) shape;
PictureData pictureData = pictureShape.getPictureData();
byte[] bytes = BufferStreamForByte(URLToFile(data.getPictureURL()), 1024);
try {
pictureData.setData(bytes);
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 替换模板PPT中的值
*
* @param shape
* @param weekAnalyseModel
*/
public static void replace(Shape shape, WeekAnalyseModel weekAnalyseModel,String rankType) {
//List<WeekAnalyseModel>是我们项目自己定义的model,可改成其他业务的model
if (shape instanceof TextShape) {
String replaceText = ((XSLFTextShape) shape).getText();
XSLFTextRun xslfTextRun = null;
//替换数据的业务逻辑,待优化
switch (replaceText) {
case "进步姓名:":
xslfTextRun = ((XSLFTextShape) shape).setText("进步姓名:" + weekAnalyseModel.getUserName());
break;
case "进步成绩:":
xslfTextRun = ((XSLFTextShape) shape).setText("进步成绩:" + weekAnalyseModel.getWeekData());
break;
}
//空值过滤,设置样式
if (xslfTextRun != null) {
if (rankType.equals("闪耀之星")||rankType.equals("进步之星")){
setTextStyle(xslfTextRun);
}else if (rankType.equals("闪耀之星荣誉证书")||rankType.equals("进步之星荣誉证书")){
setTextStyleCertificate(xslfTextRun);
}
}
}
}
/**
* 设置字体样式
*
* @param xslfTextRun
*/
private static void setTextStyle(XSLFTextRun xslfTextRun) {
xslfTextRun.setFontFamily("等线(正文)");
Color color = new Color(255, 255, 255);
xslfTextRun.setFontColor(color);
xslfTextRun.setFontSize(40.0);
xslfTextRun.setBold(true);
}
/**
* 设置证书字体样式
*
* @param xslfTextRun
*/
private static void setTextStyleCertificate(XSLFTextRun xslfTextRun) {
xslfTextRun.setFontFamily("宋体");
Color color = new Color(0, 0, 0);
xslfTextRun.setFontColor(color);
xslfTextRun.setFontSize(32.0);
xslfTextRun.setBold(true);
}
/**
* 将文件转为字节数组
* @param file
* @param size
* @return
*/
public static byte[] BufferStreamForByte(File file, int size) {
byte[] content = null;
try {
BufferedInputStream bis = null;
ByteArrayOutputStream out = null;
try {
FileInputStream input = new FileInputStream(file);
bis = new BufferedInputStream(input, size);
byte[] bytes = new byte[1024];
int len;
out = new ByteArrayOutputStream();
while ((len = bis.read(bytes)) > 0) {
out.write(bytes, 0, len);
}
bis.close();
content = out.toByteArray();
} finally {
if (bis != null) {
bis.close();
}
if (out != null) {
out.close();
}
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return content;
}
/**
* 读取网络中的图片
* @param url https://www.kziyue/wp-content/uploads/2019/06/5bca-hxyuaph9825616.jpg
* @return
*/
public static File URLToFile(String url){
File file1 = new File("test.mp4");
try {
URL url1 = new URL(url);
FileUtils.copyURLToFile(url1,file1);
} catch (IOException e) {
e.printStackTrace();
}
File absoluteFile = file1.getAbsoluteFile();
return file1;
}
}
3.根据模板生成新的PPT
调用接口:http://localhost:9551/test
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