package com.whyc.util;
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import org.apache.commons.compress.archivers.ArchiveEntry;
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import org.apache.commons.compress.archivers.ArchiveException;
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import org.apache.commons.compress.archivers.ArchiveInputStream;
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import org.apache.commons.compress.archivers.ArchiveStreamFactory;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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import java.net.URLEncoder;
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import java.nio.file.Files;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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public class FileUtil {
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public static List<String> getStaticFilePath(File file, List<String> list){
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//如果是文件的情况
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if (file.isFile()){
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list.add(file.getAbsolutePath());
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}else{
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//如果是目录的情况
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//创建一个File数组来存储当前目录下所有文件和目录的绝对路径
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File[] files = file.listFiles();
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//循环遍历files
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for (File fileTemp : files){
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if(fileTemp.getName().contains(".zip")){
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continue;
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}
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//子级是目录
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if (fileTemp.isDirectory()){
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//递归再次进行判断
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getStaticFilePath(fileTemp, list);
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}else{
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//子级是文件
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String absolutePath = fileTemp.getAbsolutePath();
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list.add(absolutePath);
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//System.out.println(temp + "文件 :" + fileTemp.getName() + "\t");
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}
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}
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}
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return list;
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}
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public static List<String> getStaticFilePathII(File file, List<String> list){
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//如果是文件的情况
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if (file.isFile()){
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list.add(file.getAbsolutePath());
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}else{
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//如果是目录的情况
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//创建一个File数组来存储当前目录下所有文件和目录的绝对路径
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File[] files = file.listFiles();
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//循环遍历files
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for (File fileTemp : files){
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//子级是目录
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if (fileTemp.isDirectory()){
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//递归再次进行判断
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getStaticFilePathII(fileTemp, list);
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}else{
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//子级是文件
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String absolutePath = fileTemp.getAbsolutePath();
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list.add(absolutePath);
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//System.out.println(temp + "文件 :" + fileTemp.getName() + "\t");
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}
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}
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}
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return list;
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}
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public static Boolean deleteFile(File file) {
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//判断文件不为null或文件目录存在
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if (file == null || !file.exists()) {
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System.out.println("文件删除失败,请检查文件是否存在以及文件路径是否正确");
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return false;
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}
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//获取目录下子文件
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File[] files = file.listFiles();
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//遍历该目录下的文件对象
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for (File f : files) {
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//判断子目录是否存在子目录,如果是文件则删除
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if (f.isDirectory()) {
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//递归删除目录下的文件
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deleteFile(f);
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} else {
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//文件删除
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f.delete();
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//打印文件名
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}
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}
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//文件夹删除
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file.delete();
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return true;
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}
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public static void download(HttpServletResponse resp,String inFilePath,String outFileFullName){
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try {
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// 转码防止乱码
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//resp.addHeader("Content-Disposition", "attachment;filename=" + new String(softwareName.getBytes("UTF-8"), "ISO8859-1"));
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resp.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode ( outFileFullName, "utf-8"));
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OutputStream out = resp.getOutputStream();
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FileInputStream in = new FileInputStream(inFilePath);
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int len=0;
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byte[] buffer =new byte[1024];
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//7. 将缓冲区中的数据输出
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while ((len=in.read(buffer))>0){
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out.write(buffer,0,len);
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}
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in.close();
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out.close();
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} catch (FileNotFoundException | UnsupportedEncodingException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static String saveFile(MultipartFile multipartFile,String fileName) throws IOException {
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String rootFile = CommonUtil.getRootFile();
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String filePath = rootFile + fileName;
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File file = new File(filePath);
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File parentFile = file.getParentFile();
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if(!parentFile.exists()){
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parentFile.mkdirs();
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}
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//存储
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multipartFile.transferTo(file);
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return "pis_file"+fileName;
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}
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/**
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* 复制文件夹内的所有文件到另一个文件夹
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*/
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public static void copyDirectory(File source, File destination) {
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if (source.isDirectory()) {
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if (!destination.exists()) {
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destination.mkdir();
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}
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for (File file : source.listFiles()) {
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copyDirectory(file, new File(destination, file.getName()));
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}
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} else {
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try (FileInputStream inputStream = new FileInputStream(source);
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FileOutputStream outputStream = new FileOutputStream(destination)) {
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byte[] buffer = new byte[1024];
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int length;
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while ((length = inputStream.read(buffer)) > 0) {
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outputStream.write(buffer, 0, length);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 解压N层
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* @param compressedFileUrl doc_file/xxx/xxx.zip 或者 rar
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* @return
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*/
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public static List<String> decompress(String compressedFileUrl) throws ArchiveException, IOException, InterruptedException {
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List<Object> resList = decompressOne(compressedFileUrl);
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File outputFolderFile = (File) resList.get(0);
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List<String> fileList = (List<String>) resList.get(1);
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boolean existCompressedFile = false;
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int checkDecompress = 0;
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//遍历文件列表，判断是否存在压缩文件
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for(String tempFileName:fileList){
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if(tempFileName.endsWith("zip") || tempFileName.endsWith("rar")){
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//存在压缩文件,解压一次
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decompressOne(tempFileName);
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File file = new File(tempFileName);
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//解除文件占用并删除文件
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//boolean delete = file.delete();
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Files.delete(file.toPath());
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existCompressedFile = true;
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}
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}
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//如果存在压缩文件并已解压,则需要检查一次是否还有压缩文件
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if(existCompressedFile){
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checkDecompress ++;
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}
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for (int i = 0; i < checkDecompress; i++) {
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decompress(compressedFileUrl);
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}
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List<String> finalList = new LinkedList<>();
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getStaticFilePathII(outputFolderFile,finalList);
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return finalList;
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}
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/**
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* 解压一层
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* @param compressedFileUrl doc_file/xxx/xxx.zip 或者 rar
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* @return
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*/
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public static List<Object> decompressOne(String compressedFileUrl) throws IOException, ArchiveException, InterruptedException {
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List<Object> resList = new LinkedList<>();
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String projectDir = CommonUtil.getProjectDir() + File.separator;
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String fullFilePath;
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String separator = File.separator;
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String outputFolderSuffix;
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if(compressedFileUrl.startsWith(projectDir)) { // 非第一层解压,已经是全路径
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fullFilePath = compressedFileUrl;
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compressedFileUrl = compressedFileUrl.substring(compressedFileUrl.indexOf("decompress")+11);
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//outputFolderSuffix = compressedFileUrl.substring(0,compressedFileUrl.lastIndexOf(separator)) + separator + "decompress_" + compressedFileUrl.substring(compressedFileUrl.lastIndexOf(separator)+1);
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outputFolderSuffix = compressedFileUrl +"_decompress";
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}else{ //第一层解压
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fullFilePath = projectDir + compressedFileUrl;
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outputFolderSuffix = compressedFileUrl.replace(separator, "@");
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}
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File file = new File(fullFilePath);
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String outputFolder = CommonUtil.getRootFile() + separator + "decompress" + separator + outputFolderSuffix;
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File outputFolderFile = new File(outputFolder);
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if(!outputFolderFile.exists()){
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outputFolderFile.mkdirs();
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if(compressedFileUrl.endsWith("zip")){
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decompressZip(file, outputFolder);
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}else { //rar
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decompressRar(file, outputFolder);
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}
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}
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//返回文件夹所有文件
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LinkedList<String> list = new LinkedList<>();
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getStaticFilePathII(outputFolderFile,list);
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resList.add(outputFolderFile);
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resList.add(list);
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return resList;
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}
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private static void decompressZip(File file, String outputFolder) throws IOException, ArchiveException {
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ArchiveInputStream ais = new ArchiveStreamFactory("GBK").createArchiveInputStream("zip", new FileInputStream(file));
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ArchiveEntry entry;
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while ((entry = ais.getNextEntry()) != null) {
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if (!ais.canReadEntryData(entry) || entry.isDirectory()) {
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continue;
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}
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byte[] buffer = new byte[4096];
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int bytesRead;
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String entryName = entry.getName();
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//if(entryName.contains(File.separator)){
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if(entryName.contains("/")){
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String entryNameDir = entryName.substring(0, entryName.lastIndexOf("/"));
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String entryDirStr = outputFolder + File.separator + entryNameDir;
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File entryDir = new File(entryDirStr);
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if(!entryDir.exists()){
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entryDir.mkdirs();
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}
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}
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OutputStream outputStream = new FileOutputStream(new File(outputFolder + File.separator + entryName));
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while ((bytesRead = ais.read(buffer)) > -1) {
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outputStream.write(buffer, 0, bytesRead);
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}
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//关流
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outputStream.close();
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}
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//关流
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ais.close();
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}
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private static void decompressRar(File file, String outputFolder) throws IOException, InterruptedException {
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String winrarPath = "C:\\Program Files\\WinRAR\\WinRAR.exe";
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String cmd = winrarPath + " X " + file + " " + outputFolder;
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Process proc = Runtime.getRuntime().exec(cmd);
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proc.waitFor();
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}
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//读取文件夹下的所有文件（不读取文件夹内的文件）
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public static List getFileNameWithOutDirectory(String filePath) {
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File folder = new File(filePath); // 文件夹路径
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List nameList=new ArrayList();
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File[] listOfFiles = folder.listFiles();
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if (listOfFiles != null) {
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for (File file : listOfFiles) {
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if (file.isFile()) {
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nameList.add(file.getName());
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}
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}
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}
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return nameList;
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}
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//private static void decompressRar(File file, String outputFolder) throws IOException, RarException {
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// Archive archive = new Archive(file);
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// FileHeader fileHeader = archive.nextFileHeader();
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// if (fileHeader != null) {
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// while (fileHeader != null) {
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// if (fileHeader.isDirectory()) {
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// fileHeader = archive.nextFileHeader();
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// continue;
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// }
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// String tempFilePath = fileHeader.getFileName();
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// File out = new File(outputFolder + File.separator + tempFilePath);
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// if (!out.exists()) {
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// if (!out.getParentFile().exists()) {
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// out.getParentFile().mkdirs();
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// }
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// out.createNewFile();
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// }
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// FileOutputStream os = new FileOutputStream(out);
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// archive.extractFile(fileHeader, os);
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// os.close();
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// fileHeader = archive.nextFileHeader();
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// }
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// }
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// archive.close();
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//
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//}
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public static void main(String[] args) {
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//File file = new File("C:\\Users\\29550\\Desktop\\AppScan10.rar");
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File file = new File("C:\\code\\web\\CadDrawManager\\target\\doc_file\\decompress\\doc_file@product@FBS-9600-GDPDX-XS1-DC220V-JH@standard@3@3++.rar");
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if(file.exists()) {
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boolean delete = file.delete();
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System.out.println(delete);
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}
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}
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}
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