在Bex5里面UI2的java里面是否可执行cmd的命令

bfaomei · 发表于 2017-4-19 11:44:08

在上传完成后执行mp4的元数据转换，ffmpeg出现CMD进程卡死情况，请问是怎么回事？

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.UUID;
import java.nio.channels.FileChannel;
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.justep.biz.client.Action;
import com.justep.biz.client.ActionEngine;
import com.justep.biz.client.ActionResult;
import com.justep.biz.client.ActionUtils;
import com.justep.ui.util.NetUtils;
//@SuppressWarnings("serial")
public class FileUploadAction extends com.justep.ui.impl.JProcessorImpl
{
//private static final long serialVersionUID = 1L;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
}
@SuppressWarnings("resource")
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
//读取配置路径
String readPath = "D:/KMS1.1/TEST";
String savePath = "D:/KMS1.1/KMS_Library";
String folad = "uploads";
readPath = readPath +File.separator + folad;
response.setContentType("text/html;charset=utf-8");
String action = request.getParameter("action");
try
{
if(action.equals("mergeChunks"))
{
//合并文件
//需要合并的文件的目录标记
String fileMd5 = request.getParameter("fileMd5");
String head_id = request.getParameter("head_id");
String target_id = request.getParameter("target_id");
String quarter = request.getParameter("quarter");
String ext = request.getParameter("ext");
String doc_name = request.getParameter("doc_name");
String doc_size = request.getParameter("doc_size");
String userid = request.getParameter("userid");
String username = request.getParameter("username");
//读取目录里的所有文件
readPath = readPath + File.separator + fileMd5;
System.out.println(readPath);
File f = new File(readPath);
File[] fileArray = f.listFiles(new FileFilter(){
//排除目录只要文件
public boolean accept(File pathname) {
// TODO Auto-generated method stub
if(pathname.isDirectory()){
return false;
}
return true;
}
});
//转成集合，便于排序
List<File> fileList = new ArrayList<File>(Arrays.asList(fileArray));
Collections.sort(fileList,new Comparator<File>() {
public int compare(File o1, File o2) {
// TODO Auto-generated method stub
if(Integer.parseInt(o1.getName()) < Integer.parseInt(o2.getName())){
return -1;
}
return 1;
}
});
//UUID.randomUUID().toString()-->随机名
UUID uuid = UUID.randomUUID();
String doc_id = uuid.toString().toUpperCase().replaceAll("-", "");
//创建文件夹
savePath = savePath + File.separator +head_id +File.separator + quarter;
File folder = new File(savePath);
if(!folder.exists()){
folder.mkdirs();
}
//文件路径
final String filePath = savePath + File.separator + doc_id+"."+ext;
//factory.setRepository(file);
System.out.println(filePath);
File outputFile = new File(filePath);
//创建文件
outputFile.createNewFile();
//输出流
FileChannel outChnnel = new FileOutputStream(outputFile).getChannel();
//合并
FileChannel inChannel;
for(File file : fileList){
inChannel = new FileInputStream(file).getChannel();
inChannel.transferTo(0, inChannel.size(), outChnnel);
inChannel.close();
//删除分片
file.delete();
}
outChnnel.close();
//清除上传的缓存文件夹
File tempFile = new File(readPath);
if(tempFile.isDirectory() && tempFile.exists()){
tempFile.delete();
}
processMP4(filePath);
//插入数据库的明细记录
String bSessionID = NetUtils.getBSessionID(request);
String language = NetUtils.getLanguage(request);
String PROCESS = "/KMS/Library/process/Library/libraryProcess";
String ACTIVITY = "mainActivity";
String ACTION = "uploadFileAction";
Action action_self = new Action();
action_self.setProcess(PROCESS);
action_self.setActivity(ACTIVITY);
action_self.setName(ACTION);
action_self.setParameter("doc_id", doc_id);
action_self.setParameter("doc_name", doc_name);
action_self.setParameter("doc_size", doc_size);
action_self.setParameter("target_id", target_id);
action_self.setParameter("userid", userid);
action_self.setParameter("username", username);
action_self.setParameter("quarter", quarter);
// 调用动作
ActionResult result = ActionEngine.invokeAction(action_self, ActionUtils.JSON_CONTENT_TYPE, bSessionID, language, null);
response.getWriter().write("{"ifExist":1}");
//init_MP4(filePath);
}
else if(action.equals("checkChunk"))
{
//检查当前分块是否上传成功
String fileMd5 = request.getParameter("fileMd5");
String chunk = request.getParameter("chunk");
String chunkSize = request.getParameter("chunkSize");
File checkFile = new File(savePath+"/"+fileMd5+"/"+chunk);
//检查文件是否存在，且大小是否一致
if(checkFile.exists() && checkFile.length()==Integer.parseInt(chunkSize))
{
//上传过
response.getWriter().write("{"ifExist":1}");
}
else
{
//没有上传过
response.getWriter().write("{"ifExist":0}");
}
}
}
catch(Exception e)
{
response.getWriter().write("{"ifExist":-1}");
e.printStackTrace();
}
}
private void init_MP4(String oldfilepath) {
List<String> commend = new ArrayList<String>();
commend.add("D:\\ffmpeg\\bin\\qt-faststart");
commend.add(oldfilepath);
commend.add(oldfilepath);
System.out.println(commend.toString());
ProcessBuilder builder = new ProcessBuilder(commend);
builder.command(commend);
try {
builder.start();
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
private static void processMP4(String oldfilepath) {
List<String> commend = new ArrayList<String>();
commend.add("D:\\ffmpeg\\bin\\ffmpeg");
commend.add("-i");
commend.add(oldfilepath);
commend.add("-y");
commend.add("-metadata");
commend.add("title="h"");
commend.add("-metadata");
commend.add("comment="h"");
commend.add("-c:v");
commend.add("libx264");
commend.add("-preset");
commend.add("superfast");
commend.add("-x264opts");
commend.add("keyint=25");
commend.add("-r");
commend.add("15");
commend.add("-b:v");
commend.add("500k");
commend.add("-c:a");
commend.add("aac");
commend.add("-strict");
commend.add("experimental");
commend.add("-ar");
commend.add("44100");
commend.add("-ac");
commend.add("2");
commend.add("-b:a");
commend.add("64k");
// commend.add("-vf");
// commend.add(""movie=aa.png [watermark]; [in][watermark] overlay=10:10 [out]"");
commend.add("-f");
commend.add("mp4");
commend.add("D:\\99999.mp4");
System.out.println(commend.toString());
try
{
ProcessBuilder builder = new ProcessBuilder(commend);
builder.command(commend);
builder.start();
System.out.println("1232134");
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}

复制代码

bfaomei · 发表于 2017-4-19 11:46:38

转换主要是运用到边播放边下载。

jishuang · 发表于 2017-4-19 15:20:39

UI2下的.j就是servlet

看标准的servlet中的处理

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[结贴] 在Bex5里面UI2的java里面是否可执行cmd的命令