Java上传视频实例代码

2023-09-18 03:37:05 67

<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-8"%> <% Stringpath=request.getContextPath(); StringbasePath=request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> "rel="externalnofollow"> 上传视频

文件上传

importjavax.servlet.http.HttpServletRequest; importmodel.FileEntity; importorg.springframework.stereotype.Controller; importorg.springframework.ui.ModelMap; importorg.springframework.web.bind.annotation.RequestMapping; importorg.springframework.web.bind.annotation.RequestMethod; importorg.springframework.web.bind.annotation.RequestParam; importorg.springframework.web.bind.annotation.ResponseBody; importorg.springframework.web.multipart.MultipartFile; importorg.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/uploadflv") publicclassUploadController{ @RequestMapping(value="/upload",method={RequestMethod.POST,RequestMethod.GET}) @ResponseBody publicModelAndViewupload(@RequestParam(value="file",required=false)MultipartFilemultipartFile, HttpServletRequestrequest,ModelMapmap){ Stringmessage=""; FileEntityentity=newFileEntity(); FileUploadToolfileUploadTool=newFileUploadTool(); try{ entity=fileUploadTool.createFile(multipartFile,request); if(entity!=null){ //service.saveFile(entity); message="上传成功"; map.put("entity",entity); map.put("result",message); }else{ message="上传失败"; map.put("result",message); } }catch(Exceptione){ e.printStackTrace(); } returnnewModelAndView("result",map); } }

importjava.io.File; importjava.io.IOException; importjava.sql.Timestamp; importjava.text.DecimalFormat; importjava.util.Arrays; importjava.util.Iterator; importjavax.servlet.http.HttpServletRequest; importmodel.FileEntity; importorg.springframework.web.multipart.MultipartFile; publicclassFileUploadTool{ TransfMediaTooltransfMediaTool=newTransfMediaTool(); //文件最大500M privatestaticlongupload_maxsize=800*1024*1024; //文件允许格式 privatestaticString[]allowFiles={".rar",".doc",".docx",".zip", ".pdf",".txt",".swf",".xlsx",".gif",".png",".jpg",".jpeg", ".bmp",".xls",".mp4",".flv",".ppt",".avi",".mpg",".wmv", ".3gp",".mov",".asf",".asx",".vob",".wmv9",".rm",".rmvb"}; //允许转码的视频格式（ffmpeg） privatestaticString[]allowFLV={".avi",".mpg",".wmv",".3gp", ".mov",".asf",".asx",".vob"}; //允许的视频转码格式(mencoder) privatestaticString[]allowAVI={".wmv9",".rm",".rmvb"}; publicFileEntitycreateFile(MultipartFilemultipartFile,HttpServletRequestrequest){ FileEntityentity=newFileEntity(); booleanbflag=false; StringfileName=multipartFile.getOriginalFilename().toString(); //判断文件不为空 if(multipartFile.getSize()!=0&&!multipartFile.isEmpty()){ bflag=true; //判断文件大小 if(multipartFile.getSize()<=upload_maxsize){ bflag=true; //文件类型判断 if(this.checkFileType(fileName)){ bflag=true; }else{ bflag=false; System.out.println("文件类型不允许"); } }else{ bflag=false; System.out.println("文件大小超范围"); } }else{ bflag=false; System.out.println("文件为空"); } if(bflag){ StringlogoPathDir="/video/"; StringlogoRealPathDir=request.getSession().getServletContext().getRealPath(logoPathDir); //上传到本地磁盘 //StringlogoRealPathDir="E:/upload"; FilelogoSaveFile=newFile(logoRealPathDir); if(!logoSaveFile.exists()){ logoSaveFile.mkdirs(); } Stringname=fileName.substring(0,fileName.lastIndexOf(".")); System.out.println("文件名称："+name); //新的文件名 StringnewFileName=this.getName(fileName); //文件扩展名 StringfileEnd=this.getFileExt(fileName); //绝对路径 StringfileNamedirs=logoRealPathDir+File.separator+newFileName+fileEnd; System.out.println("保存的绝对路径："+fileNamedirs); Filefiledirs=newFile(fileNamedirs); //转入文件 try{ multipartFile.transferTo(filedirs); }catch(IllegalStateExceptione){ e.printStackTrace(); }catch(IOExceptione){ e.printStackTrace(); } //相对路径 entity.setType(fileEnd); StringfileDir=logoPathDir+newFileName+fileEnd; StringBuilderbuilder=newStringBuilder(fileDir); StringfinalFileDir=builder.substring(1); //size存储为String Stringsize=this.getSize(filedirs); //源文件保存路径 StringaviPath=filedirs.getAbsolutePath(); //转码Avi //booleanflag=false; if(this.checkAVIType(fileEnd)){ //设置转换为AVI格式后文件的保存路径 StringcodcAviPath=logoRealPathDir+File.separator+newFileName+".avi"; //获取配置的转换工具（mencoder.exe）的存放路径 StringmencoderPath=request.getSession().getServletContext().getRealPath("/tools/mencoder.exe"); aviPath=transfMediaTool.processAVI(mencoderPath,filedirs.getAbsolutePath(),codcAviPath); fileEnd=this.getFileExt(codcAviPath); } if(aviPath!=null){ //转码Flv if(this.checkMediaType(fileEnd)){ try{ //设置转换为flv格式后文件的保存路径 StringcodcFilePath=logoRealPathDir+File.separator+newFileName+".flv"; //获取配置的转换工具（ffmpeg.exe）的存放路径 StringffmpegPath=request.getSession().getServletContext().getRealPath("/tools/ffmpeg.exe"); transfMediaTool.processFLV(ffmpegPath,aviPath,codcFilePath); fileDir=logoPathDir+newFileName+".flv"; builder=newStringBuilder(fileDir); finalFileDir=builder.substring(1); }catch(Exceptione){ e.printStackTrace(); } } entity.setSize(size); entity.setPath(finalFileDir); entity.setTitleOrig(name); entity.setTitleAlter(newFileName); Timestamptimestamp=newTimestamp(System.currentTimeMillis()); entity.setUploadTime(timestamp); returnentity; }else{ returnnull; } }else{ returnnull; } } /** *文件类型判断 * *@paramfileName *@return */ privatebooleancheckFileType(StringfileName){ Iteratortype=Arrays.asList(allowFiles).iterator(); while(type.hasNext()){ Stringext=type.next(); if(fileName.toLowerCase().endsWith(ext)){ returntrue; } } returnfalse; } /** *视频类型判断(flv) * *@paramfileName *@return */ privatebooleancheckMediaType(StringfileEnd){ Iteratortype=Arrays.asList(allowFLV).iterator(); while(type.hasNext()){ Stringext=type.next(); if(fileEnd.equals(ext)){ returntrue; } } returnfalse; } /** *视频类型判断(AVI) * *@paramfileName *@return */ privatebooleancheckAVIType(StringfileEnd){ Iteratortype=Arrays.asList(allowAVI).iterator(); while(type.hasNext()){ Stringext=type.next(); if(fileEnd.equals(ext)){ returntrue; } } returnfalse; } /** *获取文件扩展名 * *@returnstring */ privateStringgetFileExt(StringfileName){ returnfileName.substring(fileName.lastIndexOf(".")); } /** *依据原始文件名生成新文件名 *@return */ privateStringgetName(StringfileName){ Iteratortype=Arrays.asList(allowFiles).iterator(); while(type.hasNext()){ Stringext=type.next(); if(fileName.contains(ext)){ StringnewFileName=fileName.substring(0,fileName.lastIndexOf(ext)); returnnewFileName; } } return""; } /** *文件大小，返回kb.mb * *@return */ privateStringgetSize(Filefile){ Stringsize=""; longfileLength=file.length(); DecimalFormatdf=newDecimalFormat("#.00"); if(fileLength<1024){ size=df.format((double)fileLength)+"BT"; }elseif(fileLength<1048576){ size=df.format((double)fileLength/1024)+"KB"; }elseif(fileLength<1073741824){ size=df.format((double)fileLength/1048576)+"MB"; }else{ size=df.format((double)fileLength/1073741824)+"GB"; } returnsize; } } importjava.io.BufferedReader; importjava.io.IOException; importjava.io.InputStreamReader; importjava.util.ArrayList; importjava.util.List; publicclassTransfMediaTool{ /** *视频转码flv * *@paramffmpegPath *转码工具的存放路径 *@paramupFilePath *用于指定要转换格式的文件,要截图的视频源文件 *@paramcodcFilePath *格式转换后的的文件保存路径 *@return *@throwsException */ publicvoidprocessFLV(StringffmpegPath,StringupFilePath,StringcodcFilePath){ //创建一个List集合来保存转换视频文件为flv格式的命令 Listconvert=newArrayList(); convert.add(ffmpegPath);//添加转换工具路径 convert.add("-i");//添加参数＂-i＂，该参数指定要转换的文件 convert.add(upFilePath);//添加要转换格式的视频文件的路径 convert.add("-ab"); convert.add("56"); convert.add("-ar"); convert.add("22050"); convert.add("-q:a"); convert.add("8"); convert.add("-r"); convert.add("15"); convert.add("-s"); convert.add("600*500"); /* *convert.add("-qscale");//指定转换的质量convert.add("6"); *convert.add("-ab");//设置音频码率convert.add("64");convert.add("-ac"); *//设置声道数convert.add("2");convert.add("-ar");//设置声音的采样频率 *convert.add("22050");convert.add("-r");//设置帧频convert.add("24"); *convert.add("-y");//添加参数＂-y＂，该参数指定将覆盖已存在的文件 */ convert.add(codcFilePath); try{ ProcessvideoProcess=newProcessBuilder(convert).redirectErrorStream(true).start(); newPrintStream(videoProcess.getInputStream()).start(); videoProcess.waitFor(); }catch(IOExceptione1){ e1.printStackTrace(); }catch(InterruptedExceptione){ e.printStackTrace(); } } /** *对ffmpeg无法解析的文件格式(wmv9，rm，rmvb等),先用mencoder转换为avi(ffmpeg能解析的)格式 * *@parammencoderPath *转码工具的存放路径 *@paramupFilePath *用于指定要转换格式的文件,要截图的视频源文件 *@paramcodcFilePath *格式转换后的的文件保存路径 *@return *@throwsException */ publicStringprocessAVI(StringmencoderPath,StringupFilePath,StringcodcAviPath){ //booleanflag=false; Listcommend=newArrayList(); commend.add(mencoderPath); commend.add(upFilePath); commend.add("-oac"); commend.add("mp3lame"); commend.add("-lameopts"); commend.add("preset=64"); commend.add("-lavcopts"); commend.add("acodec=mp3:abitrate=64"); commend.add("-ovc"); commend.add("xvid"); commend.add("-xvidencopts"); commend.add("bitrate=600"); commend.add("-of"); commend.add("avi"); commend.add("-o"); commend.add(codcAviPath); try{ //预处理进程 ProcessBuilderbuilder=newProcessBuilder(); builder.command(commend); builder.redirectErrorStream(true); //进程信息输出到控制台 Processp=builder.start(); BufferedReaderbr=newBufferedReader(newInputStreamReader(p.getInputStream())); Stringline=null; while((line=br.readLine())!=null){ System.out.println(line); } p.waitFor();//直到上面的命令执行完，才向下执行 returncodcAviPath; }catch(Exceptione){ e.printStackTrace(); returnnull; } } } classPrintStreamextendsThread{ java.io.InputStream__is=null; publicPrintStream(java.io.InputStreamis){ __is=is; } publicvoidrun(){ try{ while(this!=null){ int_ch=__is.read(); if(_ch!=-1) System.out.print((char)_ch); else break; } }catch(Exceptione){ e.printStackTrace(); } } }

importjava.sql.Timestamp; publicclassFileEntity{ privateStringtype; privateStringsize; privateStringpath; privateStringtitleOrig; privateStringtitleAlter; privateTimestampuploadTime; publicStringgetType(){ returntype; } publicvoidsetType(Stringtype){ this.type=type; } publicStringgetSize(){ returnsize; } publicvoidsetSize(Stringsize){ this.size=size; } publicStringgetPath(){ returnpath; } publicvoidsetPath(Stringpath){ this.path=path; } publicStringgetTitleOrig(){ returntitleOrig; } publicvoidsetTitleOrig(StringtitleOrig){ this.titleOrig=titleOrig; } publicStringgetTitleAlter(){ returntitleAlter; } publicvoidsetTitleAlter(StringtitleAlter){ this.titleAlter=titleAlter; } publicTimestampgetUploadTime(){ returnuploadTime; } publicvoidsetUploadTime(TimestampuploadTime){ this.uploadTime=uploadTime; } }

Java上传视频实例代码

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