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Commit 0671acf

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‎ZipUtil.java

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package com.cathaynav.dms.util;
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import org.apache.tools.zip.ZipEntry;
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import org.apache.tools.zip.ZipFile;
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import java.io.*;
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import java.util.Enumeration;
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import java.util.zip.CRC32;
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import java.util.zip.CheckedInputStream;
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/**
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* @Author Dengyh
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* @Dare 20190403
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* @Describe:解压文件工具类,有bug,仅支持特定的压缩包
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* */
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public class ZipUtil {
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// public static void unZip(File zipFile, File path) {
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// try {
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// if(!path.exists()) {
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// path.mkdirs();
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// }
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// FileInputStream fis = new FileInputStream(zipFile);
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// ZipInputStream zis = new ZipInputStream(fis);
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// ZipEntry zipEntry = null;
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// while((zipEntry = zis.getNextEntry()) != null) {//获取条目
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// String fileName = zipEntry.getName();//获取文件名
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// File file = new File(path.getAbsolutePath() + "/./" + fileName);
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// ByteArrayOutputStream baos = new ByteArrayOutputStream();
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// int len = -1;
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// byte[] buf = new byte[1024];
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// while((len = zis.read(buf)) != -1) {
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// baos.write(buf, 0, len);
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// }
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// baos.close();
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// byte[] fileContent = baos.toByteArray();//获取条目内容(即文件内容)
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// FileOutputStream fos = new FileOutputStream(file);
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// fos.write(fileContent);
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// fos.close();
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// }
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//
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// zis.close();
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// fis.close();
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// }
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public static File unzip(String zipPath,String newPath){
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try{
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ZipFile zipFile = new ZipFile(zipPath,"GBK");
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//获取压缩文中的所以项
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for(Enumeration<ZipEntry> enumeration = zipFile.getEntries(); enumeration.hasMoreElements();){
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ZipEntry zipEntry = enumeration.nextElement();//获取元素
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//排除空文件夹
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if(!zipEntry.getName().endsWith(File.separator))
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{
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System.out.println("正在解压文件:"+zipEntry.getName());//打印输出信息
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//创建解压目录
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File f = new File(newPath+zipEntry.getName().substring(0, zipEntry.getName().lastIndexOf("/")));
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//判断是否存在解压目录
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if(!f.exists())
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{
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f.mkdirs();//创建解压目录
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}
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OutputStream os = new FileOutputStream(newPath+zipEntry.getName());//创建解压后的文件
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BufferedOutputStream bos = new BufferedOutputStream(os);//带缓的写出流
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InputStream is = zipFile.getInputStream(zipEntry);//读取元素
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BufferedInputStream bis = new BufferedInputStream(is);//读取流的缓存流
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CheckedInputStream cos = new CheckedInputStream(bis, new CRC32());//检查读取流,采用CRC32算法,保证文件的一致性
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// byte [] b = new byte[1024];//字节数组,每次读取1024个字节
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// //循环读取压缩文件的值
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// while(cos.read(b)!=-1)
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// {
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// bos.write(b);//写入到新文件
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// }
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int readLen = 0;
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byte[] buffer = new byte[1024 * 8];
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while ((readLen = is.read(buffer, 0, 1024 * 8)) != -1) {
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bos.write(buffer, 0, readLen);
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}
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cos.close();
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bis.close();
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is.close();
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bos.close();
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os.close();
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if(zipEntry.getName().contains("pos")){
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return new File(newPath + zipEntry.getName());
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}
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}
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else
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{
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//如果为空文件夹,则创建该文件夹
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new File(newPath+zipEntry.getName()).mkdirs();
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}
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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return null;
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}
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public static void handleFile(File file){
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try(FileReader reader = new FileReader(file.getPath());
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BufferedReader br = new BufferedReader(reader)){
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String line;
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//网友推荐更加简洁的写法
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while ((line = br.readLine()) != null) {
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// 一次读入一行数据
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String[] str = line.split("\t");
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System.out.println(line);
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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public static void main(String arg[])throws Exception{
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File zip = new File("E:\\pos_X820SN0000360_20181123_173604.zip");
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File path = new File("E:\\pos_X820SN0000360_20181123_173604");
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// ZipUtil.unZip(zip, path);
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// String zipPath = "E:\\pos_X820SN0000360_20181123_173604.zip";
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// String newPath = "E:\\pos_X820SN0000360_20181123_173604\\";
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String zipPath = "E:\\12.07.zip";
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String newPath = "E:\\12.07\\";
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File file = unzip(zipPath,newPath);
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System.out.println("文件名为:"+file.getPath());
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handleFile(file);
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}
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}

‎ZipUtils.java

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package com.cathaynav.dms.util;
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import net.lingala.zip4j.core.ZipFile;
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import net.lingala.zip4j.model.FileHeader;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @Author Dengyh
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* @Dare 20190403
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* @Describe:解压文件工具类
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* */
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public class ZipUtils {
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/**
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* 解压方法
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* @param zipPath 压缩包所在路径
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* @param newPath 解压后要放入的路径
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* */
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public static void unZip(String zipPath,String newPath){
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try{
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ZipFile zFile = new ZipFile(zipPath);
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zFile.setFileNameCharset("GBK");
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File destDir = new File(newPath);
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zFile.extractAll(newPath);
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List<FileHeader > headerList = zFile.getFileHeaders();
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List<File> extractedFileList= new ArrayList<File>();
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for(FileHeader fileHeader : headerList) {
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if (!fileHeader.isDirectory()) {
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extractedFileList.add(new File(destDir,fileHeader.getFileName()));
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}
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}
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File [] extractedFiles = new File[extractedFileList.size()];
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extractedFileList.toArray(extractedFiles);
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for(File f:extractedFileList){
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System.out.println(f.getAbsolutePath()+"....");
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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/**
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* 解压方法,获取文件名带有指定名称的文件
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* @param zipPath 压缩包所在路径
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* @param newPath 解压后要放入的路径
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* @param str 包含指定名称
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* */
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public static File unZipOfUav(String zipPath,String newPath,String str){
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try{
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ZipFile zFile = new ZipFile(zipPath);
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zFile.setFileNameCharset("GBK");
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File destDir = new File(newPath);
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zFile.extractAll(newPath);
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List<FileHeader > headerList = zFile.getFileHeaders();
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List<File> extractedFileList= new ArrayList<File>();
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for(FileHeader fileHeader : headerList) {
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if (!fileHeader.isDirectory()) {
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extractedFileList.add(new File(destDir,fileHeader.getFileName()));
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}
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}
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File [] extractedFiles = new File[extractedFileList.size()];
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extractedFileList.toArray(extractedFiles);
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for(File f:extractedFileList){
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if(f.getName().contains(str)){
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return f;
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}
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System.out.println(f.getAbsolutePath()+"....");
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 读文件
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* @param file 文件名
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* */
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public static void readFile(File file){
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try(FileReader reader = new FileReader(file.getPath());
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BufferedReader br = new BufferedReader(reader)){
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String line;
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//网友推荐更加简洁的写法
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while ((line = br.readLine()) != null) {
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// 一次读入一行数据
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String[] str = line.split("\t");
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System.out.println(line);
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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public static void main(String arg[])throws Exception{
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File zip = new File("E:\\pos_X820SN0000360_20181123_173604.zip");
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File path = new File("E:\\pos_X820SN0000360_20181123_173604");
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// ZipUtil.unZip(zip, path);
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String zipPath = "E:\\pos_X820SN0000360_20181123_173604.zip";
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String newPath = "E:\\pos_X820SN0000360_20181123_173604\\";
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// String zipPath = "E:\12円.07.zip";
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// String newPath = "E:\12円.07\\";
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File f = unZipOfUav(zipPath,newPath,"pos");
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// System.out.println("文件名为:"+file.getPath());
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readFile(f);
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}
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}

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