E1ED922C1E9526DD63272D7EC5C6CB77
2021-01-04 f5387362c822af8e5c584a2e002d23d12b0fd1f3
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package com.hx.util;
 
import com.hx.exception.TipsException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.multipart.MultipartFile;
 
import java.io.*;
import java.net.FileNameMap;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
 
/** 文件处理工具
 * @author ChenJiaHe
 * @Date 2020-06-17
 */
public class FileUtils {
 
    private final static Logger logger = LoggerFactory.getLogger(FileUtils.class);
 
    private static int BUFFER_SIZE = 1024;
 
    /**
     * @param path
     * @MethodName fileIsExists
     * @Description 文件是否存在
     * @Author ChenJiaHe
     * @Date 2019/9/7 9:13
     * @Since JDK 1.8
     */
    public static boolean fileIsExists(String path) {
        File file = new File(path);
        if (file.exists()) {
            return true;
        } else {
            return false;
        }
    }
 
    /**
     * @param sourceFile
     * @param targetFile
     * @MethodName copyFile
     * @Description 复制文件
     * @Author ChenJiaHe
     * @Date 2019/9/7 9:36
     * @Since JDK 1.8
     */
    public static void copyFile(File sourceFile, File targetFile) throws IOException {
        BufferedInputStream inputStream = null;
        BufferedOutputStream outputStream = null;
        try {
            inputStream = new BufferedInputStream(new FileInputStream(sourceFile));
            outputStream = new BufferedOutputStream(new FileOutputStream(targetFile));
            byte[] b = new byte[BUFFER_SIZE];
            int len;
            while ((len = inputStream.read(b)) != -1) {
                outputStream.write(b, 0, len);
            }
            outputStream.flush();
        } catch (Exception e) {
            logger.error("copy file error", e);
        } finally {
            if (inputStream != null) {
                inputStream.close();
            }
            if (outputStream != null) {
                outputStream.close();
            }
        }
    }
 
    /**
     * @param path
     * @param fileType 文件类型,0 = 文件夹 1 = 文件
     * @MethodName getAllFiles
     * @Description 讀取文件夹下的,不包括子文件夹内
     * @Author ChenJiaHe
     * @Date 2019/9/17 15:56
     * @Since JDK 1.8
     */
    public static List<String> getAllFiles(String path, String fileType) {
        List<String> fileList = new ArrayList<>();
        File fileDic = new File(path);
        File[] files = fileDic.listFiles();
        for (File file : files) {
            if ("1".equals(fileType)) {
                if (file.isFile()) {
                    fileList.add(file.toString());
                }
            }
            if ("0".equals(fileType)) {
                if (file.isDirectory()) {
                    fileList.add(file.toString());
                }
            }
        }
        return fileList;
    }
 
    /**
     * @param path
     * @MethodName getFolderFiles
     * @Description 递归获取所有包括子文件夹的文件
     * @Author ChenJiaHe
     * @Date 2019/9/17 16:11
     * @Since JDK 1.8
     */
    public static void getAllFileName(String path, List<String> listFileName) {
        try {
            File file = new File(path);
            File[] files = file.listFiles();
            String[] names = file.list();
            if (names != null) {
                String[] completNames = new String[names.length];
                for (int i = 0; i < names.length; i++) {
                    completNames[i] = path + names[i];
                }
                listFileName.addAll(Arrays.asList(completNames));
            }
            for (File a : files) {
                // 如果文件夹下有子文件夹,获取子文件夹下的所有文件全路径。
                if (a.isDirectory()) {
                    getAllFileName(a.getAbsolutePath() + "\\", listFileName);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
 
    /**
     * 读取文件内容,作为字符串返回
     */
    public static String readFileAsString(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        }
 
        if (file.length() > 1024 * 1024 * 1024) {
            throw new IOException("File is too large");
        }
 
        StringBuilder sb = new StringBuilder((int) (file.length()));
        // 创建字节输入流
        FileInputStream fis = new FileInputStream(filePath);
        // 创建一个长度为10240的Buffer
        byte[] bbuf = new byte[10240];
        // 用于保存实际读取的字节数
        int hasRead = 0;
        while ( (hasRead = fis.read(bbuf)) > 0 ) {
            sb.append(new String(bbuf, 0, hasRead));
        }
        fis.close();
        return sb.toString();
    }
 
    /**
     * 根据文件路径读取byte[] 数组
     */
    public static byte[] readFileByBytes(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        } else {
            ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
            BufferedInputStream in = null;
 
            try {
                in = new BufferedInputStream(new FileInputStream(file));
                short bufSize = 1024;
                byte[] buffer = new byte[bufSize];
                int len1;
                while (-1 != (len1 = in.read(buffer, 0, bufSize))) {
                    bos.write(buffer, 0, len1);
                }
 
                byte[] var7 = bos.toByteArray();
                return var7;
            } finally {
                try {
                    if (in != null) {
                        in.close();
                    }
                } catch (IOException var14) {
                    var14.printStackTrace();
                }
 
                bos.close();
            }
        }
    }
 
 
    /**
     *  2020-06-29
     *  cjh
     * 图片格式判断
     * */
    public static boolean imageFormatJudge(MultipartFile firs) {
        String imageName = firs.getOriginalFilename();
        //截取格式
        String suffix =imageName.substring(imageName.lastIndexOf(".") + 1);
        //格式字母转小写
        suffix = suffix.toLowerCase();
        //进行判断
        if(suffix.equals("png")) {
            return true;
        }else if(suffix.equals("jpg")){
            return true;
        }else if(suffix.equals("jpeg")){
            return true;
        }else {
            return false;
        }
    }
 
    /**视频上传的方法
     * 保存到服务器里面的
     * @param platformIconFile 视频文件
     * @param unifiedFolder NG指向的前端文件夹(统一文件夹),如:user/local/images/
     * @param saveFolder 保存到的文件夹,如:/bananer/
     * @param autoDateFolder 是否生成日期文件夹
     * @return 图片路径
     * 2020-06-29 ChenJiaHe
     */
    public static String videoFileUpload(MultipartFile platformIconFile,String unifiedFolder,String saveFolder
            ,boolean autoDateFolder) {
        String fileName = "";
        try {
            if(platformIconFile == null) {
                throw new TipsException("请上传视频文件!");
            }
            if(!getMimeType(platformIconFile.getOriginalFilename())){
                throw new TipsException("请上传视频格式的文件!");
            }
 
            //设置图片大小
            // String.format("%.1f",platformIconFile.getSize()/1024.0);
            if(autoDateFolder){
                if(saveFolder.endsWith("/")){
                    saveFolder = saveFolder+dateFormat(new Date(),"yyyyMM")+"/";
                }else{
                    saveFolder = saveFolder+"/"+dateFormat(new Date(),"yyyyMM")+"/";
                }
            }
            fileName = dateFormat(new Date(),"yyyyMMddHHmmssSSS");
            if(unifiedFolder.endsWith("/")){
                if(saveFolder.startsWith("/")){
                    saveFolder = saveFolder.replaceFirst("/","");
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+saveFolder;
                }
            }else{
                if(saveFolder.startsWith("/")){
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+"/"+saveFolder;
                }
            }
            fileName = saveFolder+fileUp(platformIconFile,unifiedFolder,fileName);
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
        return fileName;
    }
 
    /**图片上传的方法
     * 保存到服务器里面的
     * @param platformIconFile 图片文件
     * @param unifiedFolder NG指向的前端文件夹(统一文件夹),如:user/local/images/
     * @param saveFolder 保存到的文件夹,如:/bananer/
     * @param autoDateFolder 是否生成日期文件夹
     * @return 图片路径
     * 2020-06-29 ChenJiaHe
     */
    public static String handleFileUpload(MultipartFile platformIconFile,String unifiedFolder,String saveFolder
            ,boolean autoDateFolder) {
        String fileName = "";
        try {
            if(platformIconFile == null) {
                throw new TipsException("请上传图片!");
            }
            if(!imageFormatJudge(platformIconFile)) {
                throw new TipsException("请上传png、jpg和jpeg格式的图片!");
            }
 
            //设置图片大小
           // String.format("%.1f",platformIconFile.getSize()/1024.0);
            if(autoDateFolder){
                if(saveFolder.endsWith("/")){
                    saveFolder = saveFolder+dateFormat(new Date(),"yyyyMM")+"/";
                }else{
                    saveFolder = saveFolder+"/"+dateFormat(new Date(),"yyyyMM")+"/";
                }
            }
            fileName = dateFormat(new Date(),"yyyyMMddHHmmssSSS");
            if(unifiedFolder.endsWith("/")){
                if(saveFolder.startsWith("/")){
                    saveFolder = saveFolder.replaceFirst("/","");
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+saveFolder;
                }
            }else{
                if(saveFolder.startsWith("/")){
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+"/"+saveFolder;
                }
            }
            fileName = saveFolder+fileUp(platformIconFile,unifiedFolder,fileName);
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
        return fileName;
    }
 
    /**
     * 音频上传
     * @param platformIconFile
     * @param unifiedFolder
     * @param saveFolder
     * @param autoDateFolder
     * @return
     */
    public static String handleAudioUpload(MultipartFile platformIconFile,String unifiedFolder,String saveFolder
            ,boolean autoDateFolder) {
        String fileName = "";
        try {
            if(platformIconFile == null) {
                throw new TipsException("请上传音频!");
            }
 
            if(autoDateFolder){
                if(saveFolder.endsWith("/")){
                    saveFolder = saveFolder+dateFormat(new Date(),"yyyyMM")+"/";
                }else{
                    saveFolder = saveFolder+"/"+dateFormat(new Date(),"yyyyMM")+"/";
                }
            }
 
            fileName = dateFormat(new Date(),"yyyyMMddHHmmssSSS");
            if(unifiedFolder.endsWith("/")){
                if(saveFolder.startsWith("/")){
                    saveFolder = saveFolder.replaceFirst("/","");
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+saveFolder;
                }
            }else{
                if(saveFolder.startsWith("/")){
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+"/"+saveFolder;
                }
            }
            fileName = saveFolder+fileUp(platformIconFile,unifiedFolder,fileName);
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
        return fileName;
    }
 
    /**
     * 文件上传
     * @param platformIconFile
     * @param unifiedFolder
     * @param saveFolder
     * @param autoDateFolder
     * @return
     */
    public static String handleOtherFileUpload(MultipartFile platformIconFile,String unifiedFolder,String saveFolder
            ,boolean autoDateFolder) {
        String fileName = "";
        try {
            if(platformIconFile == null) {
                throw new TipsException("请上传文件!");
            }
 
            if(autoDateFolder){
                if(saveFolder.endsWith("/")){
                    saveFolder = saveFolder+dateFormat(new Date(),"yyyyMM")+"/";
                }else{
                    saveFolder = saveFolder+"/"+dateFormat(new Date(),"yyyyMM")+"/";
                }
            }
 
            fileName = dateFormat(new Date(),"yyyyMMddHHmmssSSS");
            if(unifiedFolder.endsWith("/")){
                if(saveFolder.startsWith("/")){
                    saveFolder = saveFolder.replaceFirst("/","");
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+saveFolder;
                }
            }else{
                if(saveFolder.startsWith("/")){
                    unifiedFolder  = unifiedFolder + saveFolder;
                }else{
                    unifiedFolder  = unifiedFolder+"/"+saveFolder;
                }
            }
            fileName = saveFolder+fileUp(platformIconFile,unifiedFolder,fileName);
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
        return fileName;
    }
 
    /**
     * 2020-06-29 ChenJiaHe
     * @param file             //文件对象
     * @param filePath        //上传路径
     * @param fileName        //文件名
     * @return  文件名
     */
    public static String fileUp(MultipartFile file, String filePath, String fileName){
        String extName = ""; // 扩展名格式:
        try {
            if (file.getOriginalFilename().lastIndexOf(".") >= 0){
                extName = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
            }
            copyFile(file.getInputStream(), filePath, fileName+extName).replaceAll("-", "");
        } catch (IOException e) {
            System.out.println(e);
        }
        return fileName+extName;
    }
 
    /**
          * 写文件到当前目录的upload目录中
          *
          * @param in
          * @param fileName
          * @throws IOException
          */
    private static String copyFile(InputStream in, String dir, String realName)throws IOException {
        File file = new File(dir, realName);
        file.setWritable(true);
        if (!file.exists()) {
            if (!file.getParentFile().exists()) {
                file.getParentFile().mkdirs();
            }
            file.createNewFile();
        }
        org.apache.commons.io.FileUtils.copyInputStreamToFile(in, file);
        return realName;
    }
 
    /**
     *
     * @param date 时间
     * @param format 时间格式
     * @return 返回的时间格式字符串
     */
    public static String dateFormat(Date  date,String format) {
        SimpleDateFormat df = new SimpleDateFormat(format);//设置日期格式
        return df.format(date);
    }
 
 
    /**
     * @param stream 文件流
     * @param saveUrl 保存到的文件夹
     * @param fileName 文件图片
     * @return
     * @throws IOException
     */
    public static File inputStreamToFile(InputStream stream,String saveUrl,String fileName) throws IOException {
        if(saveUrl.endsWith("/")){
            saveUrl = saveUrl + fileName;
        }else{
            saveUrl = saveUrl +"/"+ fileName;
        }
        File targetFile = new File(saveUrl);
        org.apache.commons.io.FileUtils.copyInputStreamToFile(stream, targetFile);
        return targetFile;
    }
 
    /**判断是不是视频文件
     * @param fileName 文件名称
     * @return boolean true是视频文件
     */
    public static boolean getMimeType(String fileName) {
        boolean b = false;
        FileNameMap fileNameMap = URLConnection.getFileNameMap();
        String type = fileNameMap.getContentTypeFor(fileName);
        //是视频type是为空的
        if(StringUtils.isEmpty(type)) {
            b = true;
        }
        return b;
    }
 
    /**
     * 判断是否为视频
     * @param fileName
     * @return
     */
    public static String isVideo(String fileName) {
        FileNameMap fileNameMap = URLConnection.getFileNameMap();
        String type = fileNameMap.getContentTypeFor(fileName);
        return type;
    }
 
 
}