课件播放系统组件使用方法.docx

搭建课件上传下载及播放文件上传模块前台页面提交文件前台页面验证脚本$(document).ready(function() $(document.form).submit(function() var file = (document.getElementById(file).value; var name = .ppt; if(file.indexOf(name,file.length-4) 0) alert(文件格式不对!请重新选择);return false;return true;););请选择需上传的教学课件(课件格式为PPT):后台上传模块public class AddVideoAction extends ActionSupportprivate static final long serialVersionUID = 1L;private static final int BUFFER_SIZE = 8 *1024;private File uploadFile;private VideoService vs;private String uploadFileFileName;private String uploadFileContentType;public VideoService getVs() return vs;public void setVs(VideoService vs) this.vs = vs;/上传到服务器private static void copy(File src,File dst)tryInputStream in = null;OutputStream os = null;tryin = new BufferedInputStream(new FileInputStream(src);os = new BufferedOutputStream(new FileOutputStream(dst),BUFFER_SIZE);byte buffer = new byteBUFFER_SIZE;while( in.read(buffer) 0)os.write(buffer);finallyif(null != in)in.close();if(null != os)os.close();catch (Exception e)e.printStackTrace();public String execute()throws ExceptionSimpleDateFormat sdf = new SimpleDateFormat(yyyyMMddHHmmss);if(null=ActionContext.getContext().getSession().get(currentAdmin)return login;String fileName = uploadFileFileName;fileName = fileName.replace( ,);String playFileName = sdf.format(new Date()+.flv;File playFile = new File(ServletActionContext.getServletContext().getRealPath(/upload/video/play) + + playFileName);File downloadFile = new File(ServletActionContext.getServletContext().getRealPath(/upload/video/download) + + fileName);copy(uploadFile,downloadFile);copy(uploadFile,playFile);if( 1 = vs.addVideo(downloadFile,playFileName)return SUCCESS;return ERROR;/文件的扩展名public static String getExtention(String fileName)int pos = fileName.lastIndexOf(.);return fileName.substring(pos);public File getUploadFile() return uploadFile;public void setUploadFile(File uploadFile) this.uploadFile = uploadFile;public String getUploadFileFileName() return uploadFileFileName;public void setUploadFileFileName(String uploadFileFileName) this.uploadFileFileName = uploadFileFileName;public String getUploadFileContentType() return uploadFileContentType;public void setUploadFileContentType(String uploadFileContentType) this.uploadFileContentType = uploadFileContentType;文件下载模块文件下载模块public class DownLoadFileAction extends ActionSupportprivate static final long serialVersionUID = 1L;private String fileName;private String type;public String contentType; private VideoService vs ; private PPtService ps; private int id;public int getId() return id;public void setId(int id) this.id = id;public VideoService getVs() return vs;public void setVs(VideoService vs) this.vs = vs;public PPtService getPs() return ps;public void setPs(PPtService ps) this.ps = ps;public InputStream getDownloadFile() if(type.equals(ppt)contentType = application/vnd.ms-powerpoint;return ServletActionContext.getServletContext().getResourceAsStream( /upload/ppt/+getDownLoadChineseFileName();elsecontentType =application/x-shockwave-flash;return ServletActionContext.getServletContext().getResourceAsStream( /upload/video/download/+getDownLoadChineseFileName();public String getDownLoadChineseFileName()String downloadChineseFileName = fileName;trydownloadChineseFileName = new String (downloadChineseFileName.getBytes(ISO8859-1),gbk);System.out.println(downloadChineseFileName);catch(UnsupportedEncodingException e)e.printStackTrace();return downloadChineseFileName;public String execute() throws Exception if(type.equals( ppt)ps.updateDtime(id);elsevs.updateDtime(id);/ServletActionContext.getResponse().setHeader(Content-Disposition,attachment;filename= + getDownLoadChineseFileName();return SUCCESS;public String getFileName() return getDownLoadChineseFileName();public void setFileName(String fileName) this.fileName = fileName;public String getType() return type;public void setType(String type) this.type = type;public void setContentType(String contentType) this.contentType = contentType; public String getContentType() return contentType; 下载的配置文件 $contentTypeattachment;filename=$fileName downloadFile 4096 contentType 指定下载文件的文件类型 application/octet-stream 表示无限制inputName 流对象名 比如这里写inputStream，它就会自动去找Action中的getInputStream方法。contentDisposition 使用经过转码的文件名作为下载文件名 默认格式是attachment;filename=$fileName，将调用该Action中的getFileName方法。bufferSize 下载文件的缓冲大小文件在线播放模块Get the Flash Player to see this rotator.var s1 = new SWFObject(imagerotator.swf,rotator,600,480,8);s1.addParam(allowfullscreen,true);s1.addVariable(file,);s1.addVariable(width,600);s1.addVariable(height,480);s1.addVariable(shuffle,false);s1.addVariable(rotatetime,5);s1.addVariable(icons,true);s1.addVariable(autostart,false);s1.write(container);后台处理PPT模块package com.hbv.service;import java.io.File;import java.text.SimpleDateFormat;import java.util.Date;import java.util.List;import com.hbv.dao.PPtDAO;import com.hbv.model.Focus;import com.hbv.model.PPt;import com.hbv.model.User;import com.opensymphony.xwork2.ActionContext;import java.awt.Dimension;import java.io.BufferedWriter;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.FileReader;import java.io.FileWriter;import java.io.LineNumberReader;import java.awt.Color;import java.awt.Graphics2D;import java.awt.geom.Rectangle2D;import java.awt.image.BufferedImage;import org.apache.poi.hslf.model.TextRun;import org.apache.poi.hslf.usermodel.RichTextRun;import org.apache.poi.hslf.usermodel.SlideShow;import org.apache.struts2.ServletActionContext;public class PPtService private PPtDAO pd;SimpleDateFormat sdf = new SimpleDateFormat(yyyy-MM-dd HH:mm:ss);SimpleDateFormat sdff = new SimpleDateFormat(yyyyMMddHHmmss);public PPtDAO getPd() return pd;public void setPd(PPtDAO pd) this.pd = pd;public int addPPt(File file) String pptFile = file.getName().replace(.ppt, );PPt pt = new PPt();pt.setP_title(file.getName();Date date = new Date();pt.setAdd_date(sdf.format(date);pt.setP_url(/upload/ppt/);pt.setClick_time(0);pt.setAdd_author(User) ActionContext.getContext().getSession().get(currentAdmin).getUser_name();try BufferedWriter bw = new BufferedWriter(new FileWriter(ServletActionContext.getServletContext().getRealPath(/upload/ppt_picture)+ + sdff.format(date) + .xml);bw.write();bw.newLine();bw.write();bw.newLine();bw.write(t);bw.newLine();FileInputStream is = new FileInputStream(file);SlideShow ppt = new SlideShow(is);is.close();Dimension pgsize = ppt.getPageSize();org.apache.poi.hslf.model.Slide slide = ppt.getSlides();pt.setP_num(slide.length);for (int i = 0; i slide.length; i+) TextRun truns = slidei.getTextRuns();for (int k = 0; k truns.length; k+) RichTextRun rtruns = trunsk.getRichTextRuns();for (int l = 0; l rtruns.length; l+) rtrunsl.setFontSize(25);rtrunsl.setFontIndex(1);rtrunsl.setFontName(黑体);BufferedImage img = new BufferedImage(pgsize.width,pgsize.height, BufferedImage.TYPE_INT_RGB);Graphics2D graphics = img.createGraphics();int backgroundColor = slidei.getColorScheme().getBackgroundColourRGB();graphics.setPaint(new Color(backgroundColor);graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width + 100,pgsize.height + 200);slidei.getBackground().draw(graphics);slidei.draw(graphics);/生成图片FileOutputStream out = new FileOutputStream(ServletActionContext.getServletContext().getRealPath(/upload/ppt_picture)+ / + sdff.format(date) + (i + 1) + .jpg);javax.imageio.ImageIO.write(img, jpg, out);out.close();bw.write(tt);bw.newLine();bw.write(ttt + sdff.format(date) + (i + 1)+ );bw.newLine();bw.write((liuxiaochun);bw.newLine();bw.write(tttupload/ppt_picture/+ sdff.format(date) + (i + 1) + .jpg);bw.newLine();bw.write(ttt);bw.newLine();bw.write(tt);bw.newLine();bw.write(t);bw.newLine();bw.write();bw.close();if (1 = pd.addPPt(pt);return 1; catch (Exception e) e.printStackTrace();return 0;public List quertPPt() return pd.queryPPt();public List queryPPtByPageNum(long page_num) return pd.queryPPtByPageNum(page_num);public int deletePPt(int id, String title, int num, String name) String jpgPath = ServletActionContext.getServletContext().getRealPath(/upload/ppt_picture/);String pptPath = ServletActionContext.getServletContext().getRealPath(/upload/ppt/);File fil